Comprehensive treatment and management method and system for saline-alkali soil

Abstract

The invention provides a comprehensive treatment and management method and system for saline-alkali soil, and the method comprises the steps: generating a digital three-dimensional model of the saline-alkali soil; performing to-be-governed situation search on the digital three-dimensional model to obtain a plurality of to-be-governed situations; dividing each to-be-governed situation into a plurality of first situation clusters and a plurality of second situation clusters; arranging a virtual camera array in the digital three-dimensional model based on each first situation cluster and each second situation cluster; when a plurality of users cooperatively carry out comprehensive treatment on the saline-alkali soil, the cooperative comprehensive treatment management intention of each user is identified; and based on the collaborative comprehensive treatment and management intention, triggering and controlling a virtual camera array to assist each user to collaboratively carry out comprehensive treatment and management on the saline-alkali soil. Each user can conveniently and quickly know different saline-alkali soil conditions as required by using the virtual camera array, so that comprehensive treatment decision can be made on the saline-alkali soil from a global perspective, the treatment and management efficiency is improved, and the treatment effect of the saline-alkali soil is prevented from being reduced.

Description

Technical Field

[0001] The present invention relates to the technical field of saline-alkali land governance and management, and in particular to a saline-alkali land comprehensive governance and management method and a system thereof. Background Art

[0002] Saline-alkali land refers to a type of land where plants have difficulty growing due to excessive salt accumulation in the soil, usually distributed in arid and semi-arid areas. The management of saline-alkali land has always been a key problem in agricultural and ecological environmental research.

[0003] At present, the management of saline-alkali land is mostly carried out by managers who go to the saline-alkali land site, which has high labor costs. In addition, the area of ​​saline-alkali land is often large and the saline-alkali land has strong spatial heterogeneity. It is difficult for managers to make comprehensive management decisions on saline-alkali land from a global perspective, which reduces the management efficiency and may also reduce the management effect of saline-alkali land.

[0004] Therefore, a solution is urgently needed. Summary of the invention

[0005] One of the purposes of the present invention is to provide a method for comprehensive management of saline-alkali land, in which a virtual camera array is arranged in a digital three-dimensional model of the saline-alkali land. Based on the virtual camera array, multiple users are assisted in collaborative comprehensive management of the saline-alkali land. Each user can manage the saline-alkali land remotely without having to go to the saline-alkali land site, thereby reducing labor costs. Each user can use the virtual camera array to conveniently and quickly understand different saline-alkali land conditions as needed, so that comprehensive management decisions can be made for the saline-alkali land from a global perspective, thereby improving the management efficiency and avoiding reducing the management effect of the saline-alkali land.

[0006] An embodiment of the present invention provides a saline-alkali land comprehensive management method, comprising: Generate digital 3D models of saline-alkali land; Searching the digital three-dimensional model for situations to be managed, and obtaining multiple situations to be managed; Dividing each situation to be managed into a plurality of first situation clusters and a plurality of second situation clusters; Arranging a virtual camera array in the digital three-dimensional model based on each of the first situation clusters and each of the second situation clusters; When multiple users collaborate to comprehensively manage saline-alkali land, identify the collaborative comprehensive management intentions of each user; Based on the intention of collaborative comprehensive management, the virtual camera array is triggered and controlled to assist users in collaborative comprehensive management of saline-alkali land.

[0007] Optionally, dividing each situation to be managed into a plurality of first situation clusters and a plurality of second situation clusters includes: Divide each situation to be managed into a plurality of first situation clusters; wherein the similarity between two situations to be managed in the first situation cluster exceeds a similarity threshold, and the distance between situation areas of two situations to be managed in the first situation cluster does not exceed a distance threshold; Dividing each situation to be managed into a plurality of second situation clusters; wherein a standard correlation relationship exists between any two situations to be managed in the second situation clusters; Wherein, based on each first situation cluster and each second situation cluster, arranging a virtual camera array in the digital three-dimensional model includes: A plurality of virtual cameras are arranged in the digital three-dimensional model; wherein each virtual camera corresponds to each first situation cluster and each second situation cluster one by one, and each virtual camera has a minimum complete surrounding image of a situation area of ​​all situations to be managed in the corresponding first situation cluster or second situation cluster; Determine the trigger control factor and trigger control rule of each virtual camera; A virtual camera array is determined based on the virtual cameras, the trigger control factors of the virtual cameras, and the trigger control rules.

[0008] Optionally, determining the trigger control factor and trigger control rule of each virtual camera includes: If the virtual camera corresponds to the first situation cluster, determining the trigger control factor of the virtual camera includes: being related to the first situation cluster corresponding to the virtual camera, determining the trigger control rule of the virtual camera includes: controlling the virtual camera to start shooting; If the virtual camera corresponds to the second situation cluster, determining the trigger control factor of the virtual camera includes: being related to the standard association relationship between the situations to be managed in the second situation cluster corresponding to the virtual camera, determining the trigger control rule of the virtual camera includes: controlling the virtual camera to start shooting, and when the shooting time reaches the time threshold, controlling the virtual camera to shoot the situation areas of all the situations to be managed in the corresponding second situation cluster in sequence according to the area sequential shooting strategy; wherein the time threshold and the area sequential shooting strategy are obtained by querying the shooting knowledge base based on the standard association relationship between the situations to be managed in the second situation cluster corresponding to the virtual camera.

[0009] Optionally, the triggering and controlling of the virtual camera array based on the collaborative comprehensive governance management intention includes: When the collaborative comprehensive governance management intention matches the trigger control factor of any virtual camera in the virtual camera array, the corresponding virtual camera is triggered and controlled based on the trigger control rules of the corresponding virtual camera, and the shooting screen of the corresponding virtual camera is output and displayed to each user.

[0010] Optionally, the identifying the collaborative comprehensive governance management intention of each user includes: Identify multiple standard intentions for each situation to be governed; Determine a ranking value for each standard intention; wherein the ranking value is a weighted sum of the first importance of the standard intention and the second importance of the situation to be governed corresponding to the standard intention; Sort the standard intentions from large to small according to their respective sorting values ​​to obtain a standard intention sequence; Determine a limit value; wherein the limit value is a weighted sum of the total duration of the users' collaborative comprehensive management of saline-alkali land and the number of triggered standard intentions in the standard intention sequence; Based on the limit value, query the ranking value and threshold library to determine the ranking value and threshold; wherein the ranking value and threshold in the ranking value and threshold library are positively correlated with the limit value; Based on the ranking value and the threshold, a valid local sequence is intercepted from the standard intention sequence; wherein the valid local sequence is a local sequence containing the first N standard intentions in the standard intention sequence, and the sum of the ranking values ​​of the first N standard intentions in the standard intention sequence is closest to the ranking value and the threshold; Identify whether each user has any standard intention in the valid local sequence; When present, the existing standard intention is used as the collaborative integrated governance management intention.

[0011] Optionally, the step of identifying whether each user has any standard intention in a valid local sequence includes: Connecting each user to the digital 3D model; Identify whether there is a first target area in the digital three-dimensional model; wherein the first target area is a local model area that has been viewed by users exceeding a first ratio threshold in the past first time period for more than a first time length threshold; When it exists, identifying whether there is a second target area in the digital three-dimensional model; wherein the second target area is a local model area that is viewed by users exceeding a second ratio threshold in a second time period in the future for more than a second duration threshold; wherein the second time period in the future is shorter than the first time period in the past, the second ratio threshold exceeds the first ratio threshold, and the second duration threshold exceeds the first duration threshold; When it exists, counting the intersection area and non-intersection area between the first target area and the second target area; When the non-intersection region is empty or the non-intersection region is related to the intersection region, determining whether there is a standard intention related to the intersection region in the effective local sequence; If it exists, the existing standard intention is regarded as the standard intention of each user.

[0012] An embodiment of the present invention provides a saline-alkali land comprehensive management system, comprising: A generation module for generating a digital three-dimensional model of saline-alkali land; A search module, used to search the digital three-dimensional model for situations to be managed, and obtain multiple situations to be managed; A division module, used for dividing each situation to be managed into a plurality of first situation clusters and a plurality of second situation clusters; A layout module, configured to layout a virtual camera array in the digital three-dimensional model based on each of the first situation clusters and each of the second situation clusters; An identification module is used to identify the collaborative comprehensive management intention of each user when multiple users collaborate to conduct comprehensive management of saline-alkali land; The control module is used to trigger and control the virtual camera array based on the intention of collaborative comprehensive management, so as to assist users in collaborative comprehensive management of saline-alkali land.

[0013] Optionally, the division module divides each situation to be managed into a plurality of first situation clusters and a plurality of second situation clusters, including: Divide each situation to be managed into a plurality of first situation clusters; wherein the similarity between two situations to be managed in the first situation cluster exceeds a similarity threshold, and the distance between situation areas of two situations to be managed in the first situation cluster does not exceed a distance threshold; Dividing each situation to be managed into a plurality of second situation clusters; wherein a standard correlation relationship exists between any two situations to be managed in the second situation clusters; The layout module layouts a virtual camera array in the digital three-dimensional model based on each first situation cluster and each second situation cluster, including: A plurality of virtual cameras are arranged in the digital three-dimensional model; wherein each virtual camera corresponds to each first situation cluster and each second situation cluster one by one, and each virtual camera has a minimum complete surrounding image of a situation area of ​​all situations to be managed in the corresponding first situation cluster or second situation cluster; Determine the trigger control factor and trigger control rule of each virtual camera; A virtual camera array is determined based on the virtual cameras, the trigger control factors of the virtual cameras, and the trigger control rules.

[0014] Optionally, determining the trigger control factor and trigger control rule of each virtual camera includes: If the virtual camera corresponds to the first situation cluster, determining the trigger control factor of the virtual camera includes: being related to the first situation cluster corresponding to the virtual camera, determining the trigger control rule of the virtual camera includes: controlling the virtual camera to start shooting; If the virtual camera corresponds to the second situation cluster, determining the trigger control factor of the virtual camera includes: being related to the standard association relationship between the situations to be managed in the second situation cluster corresponding to the virtual camera, determining the trigger control rule of the virtual camera includes: controlling the virtual camera to start shooting, and when the shooting time reaches the time threshold, controlling the virtual camera to shoot the situation areas of all the situations to be managed in the corresponding second situation cluster in sequence according to the area sequential shooting strategy; wherein the time threshold and the area sequential shooting strategy are obtained by querying the shooting knowledge base based on the standard association relationship between the situations to be managed in the second situation cluster corresponding to the virtual camera.

[0015] Optionally, the control module is used to trigger and control the virtual camera array based on the collaborative comprehensive governance management intention, including: When the collaborative comprehensive governance management intention matches the trigger control factor of any virtual camera in the virtual camera array, the corresponding virtual camera is triggered and controlled based on the trigger control rules of the corresponding virtual camera, and the shooting screen of the corresponding virtual camera is output and displayed to each user.

[0016] Other features and advantages of the present invention will be described in the following description, and partly become apparent from the description, or understood by practicing the present invention. The purpose and other advantages of the present invention can be realized and obtained by the structures particularly pointed out in the written description and the accompanying drawings.

[0017] The technical solution of the present invention is further described in detail below through the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings: Figure 1 A schematic diagram of a comprehensive management method for saline-alkali land according to an embodiment of the present invention; Figure 2 It is a schematic diagram of a saline-alkali land comprehensive management system in an embodiment of the present invention. DETAILED DESCRIPTION

[0019] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0020] The embodiment of the present invention provides a comprehensive management method for saline-alkali land. Figure 1 As shown, including: S1. Generate a digital three-dimensional model of saline-alkali land; In S1, information on the topography, salt distribution, soil type, vegetation coverage, etc. of saline-alkali land is collected in advance through remote sensing measurement and field sampling, and three-dimensional modeling is performed based on this information, that is, the generation of a digital three-dimensional model is completed; the digital three-dimensional model can visualize the spatial structure and specific conditions of the saline-alkali land; S2. Searching the digital three-dimensional model for situations to be managed, and obtaining a plurality of situations to be managed; In S2, the situation to be treated is a situation in the digital three-dimensional model that requires the user's attention and management decision-making, and the corresponding situation area is the occurrence area of ​​the situation to be treated in the digital three-dimensional model. For example, if the situation to be treated is a high-salinity soil situation, the corresponding situation area is a high-salinity soil area; S3, dividing each situation to be managed into a plurality of first situation clusters and a plurality of second situation clusters; S4, based on each of the first situation clusters and each of the second situation clusters, arranging a virtual camera array in the digital three-dimensional model; In S4, the virtual camera array includes multiple virtual cameras arranged in an array. Different virtual cameras can shoot in the digital three-dimensional model at different angles and viewing distances, thereby capturing different saline-alkali land conditions; S5. When multiple users collaborate to comprehensively manage saline-alkali land, identify the collaborative comprehensive management intentions of each user; In S5, the intention of collaborative comprehensive governance management refers to the intention of multiple users to collaboratively conduct comprehensive governance management of saline-alkali land; S6. Based on the intention of coordinated comprehensive management, trigger and control the virtual camera array to assist each user in coordinated comprehensive management of saline-alkali land; In S6, the user is a manager who manages the saline-alkali land. When multiple users collaborate to comprehensively manage the saline-alkali land, they can control the virtual camera array to understand the different saline-alkali land conditions as needed, and thus make management decisions.

[0021] The present application arranges a virtual camera array in the digital three-dimensional model of the saline-alkali land. Based on the virtual camera array, multiple users are assisted in collaborative comprehensive management of the saline-alkali land. Each user can remotely manage the saline-alkali land without going to the saline-alkali land site, thereby reducing labor costs. Each user can use the virtual camera array to conveniently and quickly understand the different saline-alkali land conditions on demand, so that comprehensive management decisions can be made for the saline-alkali land from a global perspective, thereby improving the management efficiency and avoiding reducing the management effect of the saline-alkali land.

[0022] In one embodiment, the step S3, dividing each situation to be managed into a plurality of first situation clusters and a plurality of second situation clusters, includes: S31, dividing each situation to be managed into a plurality of first situation clusters; wherein the similarity between any two situations to be managed in the first situation cluster exceeds a similarity threshold, and the distance between any two situation areas of the situations to be managed in the first situation cluster does not exceed a distance threshold; In S31, the similarity threshold is a threshold representing a high degree of similarity between situations, such as 80%; the distance threshold is a threshold representing a close distance between regions, such as 30 cm; by constraining that the similarity exceeds the similarity threshold and the distance does not exceed the distance threshold, the situations to be managed in the first situation cluster are suitable for centralized management; S32, dividing each situation to be managed into a plurality of second situation clusters; wherein a standard association relationship exists between any two situations to be managed in the second situation clusters; In S32, the standard association relationship may be a causal relationship (the occurrence of a certain situation to be governed causes the occurrence of another situation to be governed), a covariation relationship (the occurrence of two situations to be governed presents a synchronous or similar change trend), etc.; through the constraint of the standard association relationship, the situations to be governed in the second situation cluster are suitable for comprehensive and in-depth management; Wherein, the step S4, arranging a virtual camera array in the digital three-dimensional model based on each first situation cluster and each second situation cluster, includes: S41, setting a plurality of virtual cameras in the digital three-dimensional model; wherein each virtual camera corresponds to each first situation cluster and each second situation cluster one by one, and each virtual camera has a minimum complete surrounding image of a situation area of ​​all situations to be managed in the corresponding first situation cluster or second situation cluster; In S41, one virtual camera corresponds to one first situation cluster or one second situation cluster, so as to achieve targeted shooting with full coverage. Minimum complete surround shooting means that the virtual camera should ensure that all situation areas of the situation to be managed that need to be shot are completely included while minimizing the shooting field of view, so as to limit the shooting position of the virtual camera to be unique. Secondly, in order to avoid other contents interfering with the decision-making, the virtual camera can be limited to shoot only the situation area that needs to be shot, and other areas are automatically blocked from shooting. S42, determining the trigger control factor and trigger control rule of each virtual camera; In S42, the trigger control factor is a condition that the virtual camera needs to be triggered for control, and the trigger control rule is a rule indicating how to trigger and control the virtual camera; S43, determining a virtual camera array based on each virtual camera, a trigger control factor of each virtual camera, and a trigger control rule; In S43, each virtual camera, its own trigger control factor and trigger control rule form a virtual camera array.

[0023] The embodiment of the present invention accurately identifies multiple situations to be managed and their corresponding areas from the digital three-dimensional model, and then intelligently sets virtual cameras based on the characteristics of these situations; users can quickly obtain key information of the situations to be managed with the help of virtual cameras, avoiding spending a lot of time browsing independently in the digital three-dimensional model, thereby improving work efficiency and providing users with a more convenient and intuitive operation experience. In addition, the situations to be managed are divided into multiple first situation clusters and second situation clusters, and each cluster is equipped with a dedicated virtual camera. This intelligent camera arrangement optimizes the number of virtual cameras, reduces the consumption of system resources, and ensures that each situation cluster is fully and accurately monitored; dividing the first situation cluster helps multiple users to centrally manage and improve overall management efficiency, while dividing the second situation cluster helps to carry out deeper comprehensive management, optimizes the collaborative work between multiple users, and significantly improves the adaptability and flexibility of the system. Finally, by setting accurate trigger control factors and trigger control rules for each virtual camera, it is ensured that the virtual camera is automatically started in a specific situation to achieve all-round accurate monitoring. This trigger mechanism enhances the intelligence and comprehensiveness of the virtual camera array layout, and further improves the automation level and accuracy of the system.

[0024] In one embodiment, the step S42 of determining the trigger control factor and trigger control rule of each virtual camera includes: S421, if the virtual camera corresponds to the first situation cluster, determining the trigger control factor of the virtual camera includes: being related to the first situation cluster corresponding to the virtual camera, and determining the trigger control rule of the virtual camera includes: controlling the virtual camera to start shooting; In S421, if the virtual camera corresponds to the first situation cluster, then when it is related to the first situation cluster corresponding to the virtual camera, the virtual camera can be triggered and controlled. The first situation cluster is divided to facilitate centralized management of multiple users. Therefore, the virtual camera can be controlled to start shooting. S422, if the virtual camera corresponds to the second situation cluster, determining the trigger control factor of the virtual camera includes: being related to the standard association relationship between the situations to be managed in the second situation cluster corresponding to the virtual camera, and determining the trigger control rule of the virtual camera includes: controlling the virtual camera to start shooting, and when the shooting time reaches the time threshold, controlling the virtual camera to sequentially shoot the situation areas of all the situations to be managed in the corresponding second situation cluster according to the area sequential shooting strategy; wherein the time threshold and the area sequential shooting strategy are obtained by querying the shooting knowledge base based on the standard association relationship between the situations to be managed in the second situation cluster corresponding to the virtual camera; In S422, if the virtual camera corresponds to the second situation cluster, then when it is related to the standard association relationship between the two situations to be governed in the second situation cluster corresponding to the virtual camera, the virtual camera can be triggered and controlled. The second situation cluster is divided to facilitate multiple users to conduct deeper comprehensive management. First, the virtual camera is controlled to start shooting. The virtual camera will shoot the situation area of ​​all the situations to be governed in the corresponding situation cluster, so that multiple users can initially understand the overall situation, and then shoot the situation area of ​​all the situations to be governed in the corresponding second situation cluster in sequence according to the regional sequential shooting strategy; there are time thresholds and regional sequential shooting strategies corresponding to different standard associations in the shooting knowledge base, such as: the standard association relationship is a causal relationship, that is, the occurrence of a situation to be governed causes the occurrence of another situation to be governed, then the time threshold is 100 seconds, and the regional sequential shooting strategy is to first shoot the situation area of ​​the situation to be governed that occurs first for 200 seconds, and then shoot the situation area of ​​the situation to be governed that occurs later for 300 seconds, so that multiple users can understand the specific causal situation in a targeted manner.

[0025] The embodiments of the present invention adaptively set trigger control factors and trigger control rules for the two situations corresponding to the virtual camera and the first situation cluster, respectively, thereby improving the accuracy, suitability and comprehensiveness of the virtual camera trigger control and the applicability of the system, so that users have a better auxiliary experience when using virtual cameras to make saline-alkali land management decisions, and greatly improve the work efficiency of collaborative management of multiple users.

[0026] In one embodiment, in S6, based on the collaborative comprehensive governance management intention, triggering and controlling the virtual camera array includes: S61. When the collaborative comprehensive governance management intention matches the trigger control factor of any virtual camera in the virtual camera array, the corresponding virtual camera is triggered and controlled based on the trigger control rule of the corresponding virtual camera, and the shooting picture of the corresponding virtual camera is output and displayed to each user; In S61, after the trigger control factors and trigger control rules of each virtual camera are determined, when the intention of coordinated comprehensive management matches the trigger control factor of a virtual camera, the corresponding camera is triggered and controlled based on the trigger control rule of the corresponding virtual camera (the corresponding refers to the virtual camera whose trigger control factor matches the intention of coordinated comprehensive management), and the shooting screen of the corresponding virtual camera is output and displayed to each user. Each user can coordinate the comprehensive management of saline-alkali land through the shooting screen to achieve assistance.

[0027] During the specific implementation, each user can first understand the relevant situation of the saline-alkali land and independently think about how to make management decisions. When each user has the intention of collaborative comprehensive management, they can be assisted to ensure that they are adequately prepared for collaborative management, thereby improving the collaborative management effect.

[0028] In one embodiment, in S5, identifying the collaborative integrated governance management intention of each user includes: S51. Determine multiple standard intentions for each situation to be governed; In S51, the standard intention represents the intention of each user to conduct coordinated comprehensive management of the situation to be managed, such as: the situation to be managed is a high-salinity soil situation, and the standard intention is to coordinate the management of the high-salinity soil area; S52, determining a ranking value for each standard intention; wherein the ranking value is a weighted sum of the first importance of the standard intention and the second importance of the situation to be governed corresponding to the standard intention; In S52, the first importance represents the importance of the standard intention itself, that is, the importance of the governance and management tasks under the standard intention relative to other governance and management tasks. For example, in the governance of saline-alkali land, the high-salinity problem in the soil is considered to be a high-priority task, so the first importance of the standard intention for coordinating the governance and management of the high-salinity soil area is relatively high; the second importance represents the importance of the standard intention corresponding to the situation to be governed (corresponding means that the standard intention is the situation to be governed), that is, the severity of the situation to be governed; specifically, the acquisition of the first importance and the second importance can be pre-set by the technical personnel The corresponding quantitative system is determined based on the quantitative system; the calculation formula for the weighted calculation of the first importance and the second importance to obtain the ranking value is: , where is the sort value, is the first importance, The second most important and is the preset first weight value; in this way, the ranking value represents the comprehensive importance of the standard intention; S53, sorting the standard intentions from large to small according to their respective sorting values ​​to obtain a standard intention sequence; In S53, the standard intentions are sorted from large to small according to their respective ranking values, and the standard intentions with higher comprehensive importance are ranked higher in the standard intention sequence; S54, determining a limit value; wherein the limit value is a weighted sum of the total duration of the users' collaborative comprehensive management of saline-alkali land and the number of triggered standard intentions in the standard intention sequence; In S54, the total duration of the users' collaborative comprehensive management of saline-alkali land is obtained by timing from the time when each user starts to collaboratively manage the saline-alkali land; the triggered standard intention refers to the standard intention of the user that has been identified in history and used as the collaborative comprehensive management intention; the total duration and the number of weighted calculations to obtain the limit value are calculated as follows: , where is the limit value, The total time for each user to coordinate and comprehensively manage saline-alkali land. is the number of triggered standard intents in the standard intent sequence, and is the preset second weight value; the longer the total time for each user to cooperate in the comprehensive management of saline-alkali land and the more the number of triggered standard intentions in the standard intention sequence, the more each user can handle the management tasks under the standard intention with a smaller comprehensive importance, and the larger the limit value; S55. Based on the limit value, query the ranking value and threshold library to determine the ranking value and threshold; wherein the ranking value and threshold in the ranking value and threshold library are positively correlated with the limit value; In S55, the ranking value and threshold library contains ranking values ​​and thresholds corresponding to different limit values. The library is used to convert the limit values ​​into ranking values ​​and thresholds for subsequent constraining the interception of effective local sequences; S56, based on the ranking value and the threshold, extracting a valid local sequence from the standard intention sequence; wherein the valid local sequence is a local sequence including the first N standard intentions in the standard intention sequence, and the sum of the ranking values ​​of the first N standard intentions in the standard intention sequence is closest to the ranking value and the threshold; In S56, when intercepting the valid local sequence, it is ensured that the sum of the ranking values ​​of the first N standard intentions in the standard intention sequence contained in the valid local sequence is closest to the ranking value and the threshold, so that the intercepted valid local sequence is unique and the governance management tasks under the standard intentions therein are most suitable for the current collaborative processing of each user; N is a positive integer; S57, identifying whether each user has any standard intention in the valid local sequence; In S57, only whether the user has any standard intention in the valid local sequence is identified, so as to improve the identification targeting; S58. When present, the existing standard intention shall be used as the management intention of collaborative comprehensive governance.

[0029] The embodiment of the present invention accurately extracts the effective local sequence from the standard intention sequence, and only identifies whether the user has any standard intention in the effective local sequence, thereby reducing the identification resources of the system; introduces a sorting value, sorts the standard intentions from large to small according to their respective sorting values, introduces a limit value, queries the sorting value and threshold library, and determines the corresponding sorting value and threshold, based on which the effective local sequence is extracted from the standard intention sequence, wherein the governance management task under the standard intention is most suitable for the current collaborative processing of each user, and only identifies whether the user has any standard intention in the effective local sequence. When any standard intention exists, the existing standard intention is used as the collaborative comprehensive governance management intention, and the corresponding virtual camera will be triggered and controlled later to ensure that each user can be guided by the system to the most suitable governance management task for collaborative processing at different stages, which greatly improves the auxiliary effect of collaborative comprehensive governance management for multiple users, improves their work efficiency, optimizes their work rhythm, and improves the auxiliary applicability of the system to the complex and special situation of saline-alkali land governance management.

[0030] In one embodiment, the step S57, identifying whether each user has any standard intention in the valid local sequence, includes: S571, connecting each user to the digital three-dimensional model; In S571, after each user accesses the digital three-dimensional model, he or she can view the digital three-dimensional model and operate it; S572, identifying whether there is a first target area in the digital three-dimensional model; wherein the first target area is a local model area that has been viewed by users exceeding a first ratio threshold in the past first time period for more than a first duration threshold; In S572, the first time period in the past may be, for example, 200 seconds; the first ratio threshold may be, for example, 1 / 3; the first duration threshold may be 30 seconds; if the number of users who have stayed and viewed the first target area for more than the first ratio threshold exceeds the first duration threshold in the first time period in the past, it means that a large number of users have stayed and paid attention to the first target area for a long time in the past period of time; S573, when it exists, identifying whether there is a second target area in the digital three-dimensional model; wherein the second target area is a local model area that is viewed by users exceeding a second ratio threshold among the users for more than a second duration threshold in a second time period in the future; wherein the second time period in the future is shorter than the first time period in the past, the second ratio threshold exceeds the first ratio threshold, and the second duration threshold exceeds the first duration threshold; In S573, the second time period in the future may be, for example, 150 seconds; the second ratio threshold may be, for example, 1 / 2; the second duration threshold may be, for example, 50 seconds; if the number of users who exceed the second ratio threshold in the second time period in the future exceeds the second duration threshold, it means that more users will stay and pay attention to the second target area for a longer time in a shorter time in the future; S574: when it exists, counting the intersection area and non-intersection area between the first target area and the second target area; In S574, the intersection area is the same area in the first target area and the second target area, and the non-intersection area is a different area; S575, when the non-intersection area is empty or the non-intersection area is related to the intersection area, determining whether there is a standard intention related to the intersection area in the valid local sequence; In S575, when the non-intersection area is empty, it means that the users are concerned about the same area, that is, the users want to collaboratively manage the intersection area; the non-intersection area is related to the intersection area, which means that viewing the non-intersection area is helpful for managing the intersection area, such as: the non-intersection area is a saline-alkali land area that has not yet been managed, and its soil salinity is high, and the intersection area is a saline-alkali land area that has been preliminarily managed, and the same high soil salinity problem has been improved. Therefore, when the non-intersection area is related to the intersection area, it means that the users want to collaboratively manage the intersection area; therefore, when the non-intersection area is empty or the non-intersection area is related to the intersection area, it is determined whether there is a standard intention related to the intersection area in the effective local sequence; the standard intention is related to the intersection area, such as: the intersection area is a high-salinity soil area, and the standard intention is to collaboratively manage the high-salinity soil area, then the two are related; S576. When it exists, the existing standard intention is used as the standard intention of each user.

[0031] The embodiment of the present invention distinguishes the behavior of users in a first time period and a future second time period, and sets a time threshold, a ratio threshold, etc. for each of them, so as to quickly and accurately screen out the first target area and the second target area that can be used as a basis for determining whether a standard intention exists, thereby greatly improving the working efficiency of the system and making it more intelligent. The intersection area and the non-intersection area between the first target area and the second target area are counted, and the time when the intersection area can be used as a basis for evaluating whether a standard intention exists is accurately determined by analyzing the situation of the intersection area and the non-intersection area. At this time, it is determined whether there is a standard intention related to the intersection area in the effective local sequence, which further improves the working efficiency of the system, improves the accuracy of identifying whether each user has any standard intention in the effective local sequence, and improves the applicability of the system.

[0032] The embodiment of the present invention provides a saline-alkali land comprehensive management system, such as Figure 2 As shown, including: A generating module 1 is used to generate a digital three-dimensional model of saline-alkali land; Search module 2, used to search the digital three-dimensional model for situations to be managed, and obtain multiple situations to be managed; A division module 3, used for dividing each situation to be managed into a plurality of first situation clusters and a plurality of second situation clusters; A layout module 4, configured to layout a virtual camera array in the digital three-dimensional model based on each of the first situation clusters and each of the second situation clusters; Identification module 5, used for identifying the collaborative comprehensive management intention of each user when multiple users collaborate to conduct comprehensive management of saline-alkali land; The control module 6 is used to trigger and control the virtual camera array based on the intention of coordinated comprehensive management, so as to assist each user in coordinated comprehensive management of the saline-alkali land.

[0033] The division module divides each situation to be managed into a plurality of first situation clusters and a plurality of second situation clusters, including: Divide each situation to be managed into a plurality of first situation clusters; wherein the similarity between two situations to be managed in the first situation cluster exceeds a similarity threshold, and the distance between situation areas of two situations to be managed in the first situation cluster does not exceed a distance threshold; Dividing each situation to be managed into a plurality of second situation clusters; wherein a standard correlation relationship exists between any two situations to be managed in the second situation clusters; The layout module layouts a virtual camera array in the digital three-dimensional model based on each first situation cluster and each second situation cluster, including: A plurality of virtual cameras are arranged in the digital three-dimensional model; wherein each virtual camera corresponds to each first situation cluster and each second situation cluster one by one, and each virtual camera has a minimum complete surrounding image of a situation area of ​​all situations to be managed in the corresponding first situation cluster or second situation cluster; Determine the trigger control factor and trigger control rule of each virtual camera; A virtual camera array is determined based on the virtual cameras, the trigger control factors of the virtual cameras, and the trigger control rules.

[0034] The determining of the trigger control factors and trigger control rules of each virtual camera includes: If the virtual camera corresponds to the first situation cluster, determining the trigger control factor of the virtual camera includes: being related to the first situation cluster corresponding to the virtual camera, determining the trigger control rule of the virtual camera includes: controlling the virtual camera to start shooting; If the virtual camera corresponds to the second situation cluster, determining the trigger control factor of the virtual camera includes: being related to the standard association relationship between the situations to be managed in the second situation cluster corresponding to the virtual camera, determining the trigger control rule of the virtual camera includes: controlling the virtual camera to start shooting, and when the shooting time reaches the time threshold, controlling the virtual camera to shoot the situation areas of all the situations to be managed in the corresponding second situation cluster in sequence according to the area sequential shooting strategy; wherein the time threshold and the area sequential shooting strategy are obtained by querying the shooting knowledge base based on the standard association relationship between the situations to be managed in the second situation cluster corresponding to the virtual camera.

[0035] The control module is used to trigger and control the virtual camera array based on the collaborative comprehensive governance management intention, including: When the collaborative comprehensive governance management intention matches the trigger control factor of any virtual camera in the virtual camera array, the corresponding virtual camera is triggered and controlled based on the trigger control rules of the corresponding virtual camera, and the shooting screen of the corresponding virtual camera is output and displayed to each user.

[0036] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A comprehensive management method for saline-alkali land, characterized in that: include: Generate digital 3D models of saline-alkali land; Searching the digital three-dimensional model for situations to be managed, and obtaining multiple situations to be managed; Dividing each situation to be managed into a plurality of first situation clusters and a plurality of second situation clusters; Arranging a virtual camera array in the digital three-dimensional model based on each of the first situation clusters and each of the second situation clusters; When multiple users collaborate to comprehensively manage saline-alkali land, identify the collaborative comprehensive management intentions of each user; Based on the intention of collaborative comprehensive management, the virtual camera array is triggered and controlled to assist users in collaborative comprehensive management of saline-alkali land.

2. The comprehensive management method for saline-alkali land according to claim 1, characterized in that: The step of dividing each situation to be managed into a plurality of first situation clusters and a plurality of second situation clusters includes: Divide each situation to be managed into a plurality of first situation clusters; wherein the similarity between two situations to be managed in the first situation cluster exceeds a similarity threshold, and the distance between situation areas of two situations to be managed in the first situation cluster does not exceed a distance threshold; Divide each situation to be managed into a plurality of second situation clusters; wherein a standard correlation relationship exists between any two situations to be managed in the second situation clusters; Wherein, based on each first situation cluster and each second situation cluster, arranging a virtual camera array in the digital three-dimensional model includes: A plurality of virtual cameras are arranged in the digital three-dimensional model; wherein each virtual camera corresponds to each first situation cluster and each second situation cluster one by one, and each virtual camera has a minimum complete surrounding image of a situation area of ​​all situations to be managed in the corresponding first situation cluster or second situation cluster; Determine the trigger control factor and trigger control rule of each virtual camera; Based on the virtual cameras, the trigger control factors of the virtual cameras and the trigger control rules, a virtual camera array is determined.

3. The comprehensive management method for saline-alkali land according to claim 2, characterized in that: The determining of the trigger control factors and trigger control rules of each virtual camera includes: If the virtual camera corresponds to the first situation cluster, determining the trigger control factor of the virtual camera includes: being related to the first situation cluster corresponding to the virtual camera, determining the trigger control rule of the virtual camera includes: controlling the virtual camera to start shooting; If the virtual camera corresponds to the second situation cluster, determining the trigger control factor of the virtual camera includes: being related to the standard association relationship between the situations to be managed in the second situation cluster corresponding to the virtual camera, determining the trigger control rule of the virtual camera includes: controlling the virtual camera to start shooting, and when the shooting time reaches the time threshold, controlling the virtual camera to shoot the situation areas of all the situations to be managed in the corresponding second situation cluster in sequence according to the area sequential shooting strategy; wherein the time threshold and the area sequential shooting strategy are obtained by querying the shooting knowledge base based on the standard association relationship between the situations to be managed in the second situation cluster corresponding to the virtual camera.

4. The comprehensive management method for saline-alkali land according to claim 2, characterized in that: The triggering and controlling of the virtual camera array based on the collaborative comprehensive governance management intention includes: When the collaborative comprehensive governance management intention matches the trigger control factor of any virtual camera in the virtual camera array, the corresponding virtual camera is triggered and controlled based on the trigger control rules of the corresponding virtual camera, and the shooting screen of the corresponding virtual camera is output and displayed to each user.

5. The comprehensive management method for saline-alkali land according to claim 1, characterized in that: The identification of each user's collaborative comprehensive governance management intention includes: Identify multiple standard intentions for each situation to be governed; Determine a ranking value for each standard intention; wherein the ranking value is a weighted sum of the first importance of the standard intention and the second importance of the situation to be governed corresponding to the standard intention; Sort the standard intentions from large to small according to their respective sorting values ​​to obtain a standard intention sequence; Determine a limit value; wherein the limit value is a weighted sum of the total duration of the users' collaborative comprehensive management of saline-alkali land and the number of triggered standard intentions in the standard intention sequence; Based on the limit value, query the ranking value and threshold library to determine the ranking value and threshold; wherein the ranking value and threshold in the ranking value and threshold library are positively correlated with the limit value; Based on the ranking value and the threshold, a valid local sequence is intercepted from the standard intention sequence; wherein the valid local sequence is a local sequence containing the first N standard intentions in the standard intention sequence, and the sum of the ranking values ​​of the first N standard intentions in the standard intention sequence is closest to the ranking value and the threshold; Identify whether each user has any standard intention in the valid local sequence; When present, the existing standard intention is used as the collaborative integrated governance management intention.

6. The comprehensive management method for saline-alkali land according to claim 5, characterized in that: The step of identifying whether each user has any standard intention in a valid local sequence includes: Connecting each user to the digital 3D model; Identify whether there is a first target area in the digital three-dimensional model; wherein the first target area is a local model area that has been viewed by users exceeding a first ratio threshold in the past first time period for more than a first time length threshold; When it exists, identifying whether there is a second target area in the digital three-dimensional model; wherein the second target area is a local model area that is viewed by users exceeding a second ratio threshold in a second time period in the future for more than a second duration threshold; wherein the second time period in the future is shorter than the first time period in the past, the second ratio threshold exceeds the first ratio threshold, and the second duration threshold exceeds the first duration threshold; When it exists, counting the intersection area and non-intersection area between the first target area and the second target area; When the non-intersection region is empty or the non-intersection region is related to the intersection region, determining whether there is a standard intention related to the intersection region in the effective local sequence; If it exists, the existing standard intention is regarded as the standard intention of each user.

7. A saline-alkali land comprehensive management system, characterized in that: include: A generation module for generating a digital three-dimensional model of saline-alkali land; A search module, used to search the digital three-dimensional model for situations to be managed, and obtain multiple situations to be managed; A division module, used for dividing each situation to be managed into a plurality of first situation clusters and a plurality of second situation clusters; A layout module, configured to layout a virtual camera array in the digital three-dimensional model based on each of the first situation clusters and each of the second situation clusters; An identification module is used to identify the collaborative comprehensive management intention of each user when multiple users collaborate to conduct comprehensive management of saline-alkali land; The control module is used to trigger and control the virtual camera array based on the intention of collaborative comprehensive management, so as to assist users in collaborative comprehensive management of saline-alkali land.

8. The saline-alkali land comprehensive management system according to claim 7, characterized in that: The division module divides each situation to be managed into a plurality of first situation clusters and a plurality of second situation clusters, including: Divide each situation to be managed into a plurality of first situation clusters; wherein the similarity between two situations to be managed in the first situation cluster exceeds a similarity threshold, and the distance between situation areas of two situations to be managed in the first situation cluster does not exceed a distance threshold; Divide each situation to be managed into a plurality of second situation clusters; wherein a standard correlation relationship exists between any two situations to be managed in the second situation clusters; The layout module layouts a virtual camera array in the digital three-dimensional model based on each first situation cluster and each second situation cluster, including: A plurality of virtual cameras are arranged in the digital three-dimensional model; wherein each virtual camera corresponds to each first situation cluster and each second situation cluster one by one, and each virtual camera has a minimum complete surrounding image of a situation area of ​​all situations to be managed in the corresponding first situation cluster or second situation cluster; Determine the trigger control factor and trigger control rule of each virtual camera; Based on the virtual cameras, the trigger control factors of the virtual cameras and the trigger control rules, a virtual camera array is determined.

9. The saline-alkali land comprehensive management system according to claim 8, characterized in that: The determining of the trigger control factors and trigger control rules of each virtual camera includes: If the virtual camera corresponds to the first situation cluster, determining the trigger control factor of the virtual camera includes: being related to the first situation cluster corresponding to the virtual camera, determining the trigger control rule of the virtual camera includes: controlling the virtual camera to start shooting; If the virtual camera corresponds to the second situation cluster, determining the trigger control factor of the virtual camera includes: being related to the standard association relationship between the situations to be managed in the second situation cluster corresponding to the virtual camera, determining the trigger control rule of the virtual camera includes: controlling the virtual camera to start shooting, and when the shooting time reaches the time threshold, controlling the virtual camera to shoot the situation areas of all the situations to be managed in the corresponding second situation cluster in sequence according to the area sequential shooting strategy; wherein the time threshold and the area sequential shooting strategy are obtained by querying the shooting knowledge base based on the standard association relationship between the situations to be managed in the second situation cluster corresponding to the virtual camera.

10. The saline-alkali land comprehensive management system according to claim 8, characterized in that: The control module is used to trigger and control the virtual camera array based on the collaborative comprehensive governance management intention, including: When the collaborative comprehensive governance management intention matches the trigger control factor of any virtual camera in the virtual camera array, the corresponding virtual camera is triggered and controlled based on the trigger control rules of the corresponding virtual camera, and the shooting screen of the corresponding virtual camera is output and displayed to each user.

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