A method and system for correcting target temperature deformation in a visual deformation monitoring system

Abstract

The present invention discloses a method and system for correcting target temperature deformation in a visual deformation monitoring system. By establishing a temperature deformation correction table, adding temperature measurement, data acquisition, and communication modules to the original target, and improving the functions of the cloud platform, this solution can effectively solve the current problem of target temperature deformation masking the actual structural deformation, thereby improving the applicability of the visual deformation monitoring system.

Description

Technical Field

[0001] The present invention relates to monitoring and measurement technology, and in particular to visual deformation monitoring technology. Background Art

[0002] In recent years, visual deformation monitoring technology has played an increasingly important role in the civil engineering industry as a new monitoring and measurement method. It can partially replace traditional manual monitoring and has the advantages of high degree of automation, high monitoring frequency, high efficiency, and labor saving.

[0003] The most commonly used deformation monitoring system is based on a monocular camera. Compared with binocular or multi-camera systems, it is easy to install and operate, has a fast data processing speed, and is more adaptable to the long-term monitoring needs of buildings and structures. The visual deformation monitoring system based on a monocular camera mainly consists of a monocular intelligent camera, a target, an electrical cabinet, a cloud platform, and other components. Among them, the target is installed at the measurement point location to mark the measurement point and deforms synchronously with the measured structure; the monocular intelligent camera can automatically identify the target and regularly calculate the target displacement intelligently; the electrical cabinet is used to power the system and has a data communication module to realize wireless remote transmission of deformation monitoring data; the cloud platform is used to receive target deformation data, which can realize rapid data viewing, analysis and early warning functions.

[0004] Currently, visual deformation monitoring systems based on monocular cameras have been used to a certain extent in bridge, foundation pit, and slope monitoring. However, due to the fact that targets, cameras, and mounting brackets are mostly made of metal to ensure their durability and load-bearing capacity, and the thermal sensitivity of the camera sensor itself, the relevant monitoring data is greatly affected by the ambient temperature in practice. In particular, the targets used in visual deformation monitoring are large in size, and the temperature deformation effect cannot be ignored. Therefore, when placed in a monitoring environment, the target deformation measured by visual monitoring technology includes the actual deformation of the attached structure and the temperature deformation of the target itself. When the ambient temperature fluctuates greatly, the temperature deformation of the target is large, which will directly mask the actual mechanical deformation characteristics of the structure, affecting the authenticity and effectiveness of the monitoring results. It also limits the applicability and scalability of this visual deformation monitoring technology to a certain extent.

[0005] It can be seen that how to effectively improve the accuracy of visual deformation monitoring results based on monocular cameras is an urgent problem to be solved in this field. Summary of the Invention

[0006] In view of the problem that existing visual deformation monitoring solutions based on monocular cameras have distorted visual monitoring results due to target temperature deformation, the purpose of the present invention is to provide a target temperature deformation correction method for a visual deformation monitoring system, and to provide a visual deformation monitoring system based on this correction method, so as to eliminate the target temperature deformation from the visual deformation monitoring results, thereby improving the accuracy of the visual deformation monitoring results.

[0007] In order to achieve the above object, the present invention provides a target temperature deformation correction method for a visual deformation monitoring system, comprising:

[0008] (1) Based on the actual geometry and material parameters of the target, a finite element model for target thermodynamic analysis is established, and the mechanical and thermodynamic parameters are determined, and displacement and temperature boundary conditions are applied;

[0009] (2) A uniform temperature load is applied to the entire target in the established target thermodynamic analysis finite element model, and the overall deformation characteristics of the target at different temperatures are calculated;

[0010] (3) determining the overall deformation state data of the target at different installation angles and different temperatures based on the calculation results of step (2), and further extracting the horizontal and vertical temperature deformations at the center of the target under different calculation conditions, and accordingly forming a query statistical table of target temperature deformation based on temperature and installation angle;

[0011] (4) collecting the actual temperature of each area of the target at a preset frequency and calculating the average value of the actual temperature of each area of the target;

[0012] (5) Based on the target installation angle and average temperature, the target horizontal and vertical real-time temperature deformation correction values are calculated by interpolation algorithm from the target temperature deformation query statistical table;

[0013] (6) Based on the temperature deformation correction calculated in step (5), the horizontal and vertical displacements of the target measured by the monocular are corrected.

[0014] In some examples of the present invention, when constructing the target thermodynamic analysis finite element model in step (1), it is performed based on unified coordinates.

[0015] In some examples of the present invention, when constructing the target thermodynamic analysis finite element model in step (1), the target installation orientation is evaluated by the clockwise angle θ between the target center axis and the vertical direction.

[0016] In some embodiments of the present invention, when collecting the actual temperature of each area of the target in step (4), a plurality of temperature sensors are installed on the back of the target and the temperature sensors are thermally insulated.

[0017] In some embodiments of the present invention, step (5) includes the following sub-steps:

[0018] (5.1) According to the actual installation angle of the target, find the angle range of the actual installation angle in the target temperature deformation query statistical table determined in step (3), and use linear interpolation method to calculate the actual installation angle, vertical and horizontal temperature deformation at different temperatures;

[0019] (5.2) Based on the measured average temperature of the target, the temperature deformation amount at different target temperatures under the actual installation angle determined in step (5.1) is queried in the statistical table to determine the temperature range corresponding to the average temperature, and the vertical and horizontal temperature deformation amounts corresponding to the average temperature are calculated again using the linear interpolation method to obtain the required temperature deformation correction amount.

[0020] To achieve the above-mentioned object, the present invention provides a monocular camera-based visual deformation monitoring system, comprising a monocular intelligent camera, a target, and a cloud platform. The visual deformation monitoring system also includes a target thermodynamic analysis finite element model unit and a temperature acquisition unit.

[0021] The target thermodynamic analysis finite element model unit is used to calculate and form a query statistical table of target temperature deformation based on temperature and installation angle;

[0022] The temperature acquisition unit is arranged in conjunction with the target to collect the actual temperature of each area of the target at a certain frequency and transmit the collected data to the cloud platform;

[0023] The cloud platform imports a target temperature deformation query statistical table and includes a target temperature deformation correction unit, which includes a target temperature processing module, a temperature deformation correction calculation module, and a correction module;

[0024] The target temperature processing module obtains the temperature data from the temperature acquisition unit and calculates the average value of the actual temperature of each area of the target;

[0025] The temperature deformation correction amount calculation module calculates the target horizontal and vertical real-time temperature deformation correction amounts based on the target installation angle and the average temperature calculated by the target temperature processing module through an interpolation algorithm and a target temperature deformation amount query statistical table;

[0026] The correction module corrects the horizontal and vertical displacements of the target measured by the monocular intelligent camera according to the real-time temperature deformation correction amount calculated and determined by the temperature deformation correction amount calculation module.

[0027] In some examples of the present invention, the target thermodynamic analysis finite element model is established based on the actual geometry and material parameters of the target, and mechanical and thermodynamic parameters are determined simultaneously, and displacement and temperature boundary conditions are applied.

[0028] In some examples of the present invention, the temperature acquisition unit includes several temperature sensors, a data acquisition module and a communication module. The several temperature sensors are distributed on the back of the target and are data-connected to the data acquisition module. The data acquisition module is data-connected to the cloud platform through the communication module.

[0029] In some examples of the present invention, the temperature sensor is covered with a heat insulation layer.

[0030] In some examples of the present invention, the temperature deformation correction calculation module first finds the angle range of the actual installation angle in the target temperature deformation query statistical table formed by the two dimensions of temperature and installation angle based on the actual installation angle of the target, and uses linear interpolation to calculate the vertical and horizontal temperature deformations at the actual installation angle and different temperatures; then, based on the measured average temperature of the target, determines the temperature range corresponding to the average temperature, and again uses linear interpolation to calculate the vertical and horizontal temperature deformations corresponding to the average temperature, thereby obtaining the required temperature deformation correction.

[0031] The solution provided by the present invention can effectively eliminate the target temperature deformation from the visual deformation monitoring results without changing the overall component architecture of the deformation monitoring system based on a monocular camera, thereby improving the accuracy of the visual deformation monitoring results and effectively solving the problem of target temperature deformation being difficult to correct in existing visual deformation monitoring systems.

[0032] Furthermore, the solution provided by the present invention has low overall implementation difficulty, high feasibility, strong practicality, and broad application prospects. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] The present invention is further described below with reference to the accompanying drawings and specific embodiments.

[0034] Figure 1 Schematic diagram of the composition of the target thermodynamic analysis finite element model in the example of the present invention;

[0035] Figure 2 This is a front view of the target in the example of the present invention;

[0036] Figure 3 This is an example diagram of the back side of the target in the example of the present invention. DETAILED DESCRIPTION

[0037] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below with reference to specific illustrations.

[0038] The inventors of this solution have conducted extensive research on the problems existing in existing monocular camera-based visual deformation monitoring systems. Based on the existing monocular camera-based visual deformation monitoring systems, they innovatively established a temperature deformation correction table and optimized the corresponding functions of the target and cloud platform. This allows temperature deformation correction to be performed without changing the overall system composition architecture, thereby improving the accuracy of visual deformation monitoring results.

[0039] Specifically, the target temperature deformation correction method of the visual deformation monitoring system provided in this solution is mainly implemented through the following process:

[0040] (1) Based on the actual geometry and material parameters of the target, a finite element model for target thermodynamic analysis is established, and the mechanical and thermodynamic parameters are determined, and displacement and temperature boundary conditions are applied.

[0041] It should be noted here that this step is to establish a finite element model for target thermodynamic analysis based on unified coordinates and introduce different installation orientations of the target to determine the impact of different installation orientations on the calculation results.

[0042] For example, see Figure 1 The target installation orientation can be evaluated by the clockwise angle θ between the target centerline and the vertical direction (Y direction). The influence of the target orientation within 360° needs to be considered in the calculation.

[0043] Since the target is generally a non-centrosymmetric structure, by constructing models with different installation angles, the horizontal and vertical temperature deformation characteristics at its center point can be accurately obtained.

[0044] (2) Based on the fact that the target as a whole is in a small-scale environment, here based on the condition that the temperature at all parts of the target is consistent, a uniform temperature load is applied to the target as a whole in the established target thermodynamic analysis finite element model, and the overall deformation characteristics of the target at different temperatures are calculated.

[0045] It should be noted here that the specific temperature range and temperature variation involved in this step can be selected according to the actual environmental conditions on site.

[0046] (3) According to the calculation results of step (2), the overall deformation state data of the target at different installation angles and different temperatures are determined, and the horizontal and vertical temperature deformations at the center of the target under different calculation conditions are further extracted, and a query statistical table of the target temperature deformation based on temperature and installation angle is formed accordingly.

[0047] In this step, the relevant deformation data of the target center point at different installation angles and temperatures are directly extracted based on the model calculation results.

[0048] Furthermore, as a further preferred solution, when generating the target temperature deformation query statistical table, this step can further introduce a neural network calculation model to predict and calculate the result samples obtained based on the model calculation, optimize the calculated result sample data, and further improve the accuracy of the result sample data. The target temperature deformation query statistical table thus generated has high accuracy and strong pertinence.

[0049] It should be noted here that the horizontal and vertical temperature deformations at the target center calculated in this step are all obtained based on the unified coordinate system determined in step (1).

[0050] (4) The actual temperature of each area of the target is collected at a preset frequency, and the average value of the actual temperature of each area of the target is calculated.

[0051] This step involves introducing temperature sensors to collect real-time temperatures at different locations on the target. Specifically, this step involves installing several temperature sensors on the back of the target, with the sensors positioned to cover the entire back of the target as much as possible, to obtain real-time temperature values at different locations on the target.

[0052] In order to prevent the temperature sensor from being affected by the ambient temperature and not being able to accurately measure the temperature of the target, this step also covers the temperature sensor arranged on the back of the target with a heat insulation layer. As an example, the heat insulation layer here can be composed of heat insulation cotton.

[0053] (5) Based on the target installation angle, the average temperature is calculated by interpolation algorithm from the target temperature deformation query statistical table to calculate the target horizontal and vertical real-time temperature deformation correction amount.

[0054] As an example, in the specific implementation of this step, first, based on the actual installation angle of the target, find the angle range where the actual installation angle is located in the target temperature deformation query statistical table formed by the two dimensions of temperature and installation angle, and use linear interpolation to calculate the vertical and horizontal temperature deformations at the actual installation angle and different temperatures;

[0055] Next, based on the measured average temperature of the target, the temperature deformation at different target temperatures under the actual installation angle is queried in the statistical table to determine the temperature range corresponding to the average temperature. The linear interpolation method is then used to calculate the vertical and horizontal temperature deformations corresponding to the average temperature to obtain the required temperature deformation correction amount.

[0056] (6) Based on the temperature deformation correction calculated in step (5), the horizontal and vertical displacements of the target measured by the monocular are corrected.

[0057] In this step, the target temperature deformation is eliminated from the visual deformation monitoring results by subtracting the corresponding target temperature deformation correction amount from the horizontal and vertical displacements of the target measured by the monocular intelligent camera, thereby correcting the temperature deformation and improving the accuracy of the visual deformation monitoring results.

[0058] The target temperature deformation correction scheme of the above-mentioned visual deformation monitoring system is further explained below through examples.

[0059] This example builds a corresponding monocular camera-based visual deformation monitoring system based on the aforementioned target temperature deformation correction scheme for the visual deformation monitoring system. This system can effectively eliminate the target temperature deformation from the visual deformation monitoring results to correct the temperature deformation and improve the accuracy of the visual deformation monitoring results.

[0060] Specifically, the visual deformation monitoring system based on a monocular camera mainly includes a monocular intelligent camera, a target, a temperature acquisition unit and a cloud platform.

[0061] The monocular intelligent camera in this system can automatically identify the target and intelligently calculate the target displacement regularly. The specific structure is the same as the existing technology and will not be described in detail here.

[0062] The target 200 in this system (such as Figure 2 As shown), it is installed at the measuring point to mark the measuring point and deforms synchronously with the measured building structure. Its specific structure is the same as that of the prior art and will not be described in detail here.

[0063] The temperature acquisition unit in this system is set in conjunction with the target to collect the actual temperature of each area of the target at a certain frequency and transmit the collected data to the cloud platform.

[0064] See also Figure 3 The temperature acquisition unit 10 in this system mainly includes several temperature sensors 11, a data acquisition module 12 and a communication module 13.

[0065] Among them, a plurality of temperature sensors 11 are distributed and arranged on the back of the target 200 to obtain temperature values of different areas on the target in real time.

[0066] Preferably, in this example, when a plurality of temperature sensors 11 are distributed, they need to cover the target support rod 210 and the target surface 220 , and the number should be able to reflect the overall temperature distribution of the target.

[0067] Taking the figure as an example, six temperature sensors 11 are used in this example, and one temperature sensor is installed on the target support rod 210, and five are installed on the target surface 220, wherein one temperature sensor is placed at each of the four corners of the target surface 220, and one temperature sensor is placed at the center of the target.

[0068] The six temperature sensors placed on the target 200 are each wrapped with thermal insulation cotton.

[0069] The data acquisition module 12 in this unit is connected to each temperature sensor 11 through a wire 14. The data acquisition module 12 can collect data from each temperature sensor at a certain frequency.

[0070] The specific structure of the data acquisition module 12 is not limited here and can be determined according to actual needs.

[0071] The communication module 13 in this unit is data-connected with the data acquisition module 12 to transmit the temperature data collected by the data acquisition module 12 to the cloud platform.

[0072] The specific structure of the communication module 13 is not limited here and can be determined according to actual needs.

[0073] A corresponding target thermodynamic analysis finite element model is constructed in the cloud platform of this system, and a temperature deformation correction table is constructed based on it. On this basis, the real-time horizontal and vertical temperature deformation correction values of the target are further calculated based on the target installation angle and average temperature. Based on this real-time temperature deformation correction value, the horizontal and vertical displacements of the target measured by the monocular intelligent camera are corrected.

[0074] The cloud platform specifically includes a target temperature deformation correction unit, which includes a target thermodynamic analysis finite element model, a target temperature processing module, a temperature deformation correction amount calculation module and a correction module.

[0075] Among them, the target thermodynamic analysis finite element model is used to calculate and form a query statistical table of target temperature deformation based on temperature and installation angle.

[0076] Specifically, the target thermodynamic analysis finite element model is established based on the target specifications, type, and material parameters actually used in the system. Finite element analysis software, such as ANSYS, is used to create the target thermodynamic analysis finite element model. Mechanical and thermodynamic parameters are input, and displacement and temperature boundary conditions are applied. A fixed displacement boundary is applied to the target's bottom support, while other parts are free boundaries. The calculation must consider the influence of the target's orientation within a 360° range, and modeling can be performed in 5° increments.

[0077] Based on the established target thermodynamic analysis finite element model, a uniform temperature load is applied to the entire target to calculate the target's overall deformation characteristics at different temperatures. The specific temperature range and temperature variation can be selected based on the actual environmental conditions on site. The recommended range is [-50°C, 100°C], and the temperature increment can be 1°C.

[0078] Finally, through the above analysis, the overall deformation of the target at different installation angles and temperatures can be obtained, and the horizontal and vertical temperature deformations at the center of the target under different calculation conditions can be further extracted, thereby forming a query statistical table of target temperature deformation based on temperature and installation angle, as shown below:

[0079] Target temperature deformation query statistics table

[0080]

[0081] It should be noted here that the target temperature deformation query statistical table formed can be embedded in the cloud platform as an independent functional unit to facilitate rapid extraction during subsequent correction calculations.

[0082] As an alternative, the generated query statistics table of target temperature deformation can be used as a sub-functional module of the target thermodynamic analysis finite element model to provide external query.

[0083] It should be noted that as an alternative, the target thermodynamic analysis finite element model in this solution can be run as an independent functional module unit instead of on the cloud platform to generate a target temperature deformation query statistical table. This independent target thermodynamic analysis finite element model can import the generated target temperature deformation query statistical table into the cloud platform for rapid extraction during subsequent correction calculations. The solution for generating the target temperature deformation query statistical table using this independent target thermodynamic analysis finite element model is the same as above and will not be elaborated on here.

[0084] Here, the target thermodynamic analysis finite element model is independently distributed, so that in actual application, the modeling and calculation scheme can be adjusted in real time according to the on-site conditions, effectively improving efficiency.

[0085] The target temperature processing module in this cloud platform can establish a one-to-one correspondence between the target and the temperature sensor installed on it. The module also obtains the temperature data uploaded by the temperature acquisition unit and automatically calculates the average value of each temperature sensor of the target.

[0086] The specific structure of the target temperature processing module is not limited here and can be determined according to actual needs.

[0087] The temperature deformation correction calculation module in this cloud platform interacts with the target temperature processing module data. Based on the target installation angle, the average temperature calculated by the target temperature processing module can be used to calculate the target horizontal and vertical real-time temperature deformation correction value by interpolation algorithm from the target temperature deformation query statistical table.

[0088] Specifically, the temperature deformation correction calculation module can use two linear interpolations, and the specific process is as follows:

[0089] The temperature deformation correction calculation module first finds the angle range of the actual installation angle in the target temperature deformation query statistical table formed by the two dimensions of temperature and installation angle based on the actual installation angle of the target, and uses linear interpolation to calculate the vertical and horizontal temperature deformation under the actual installation angle and different temperatures;

[0090] The temperature deformation correction calculation module then determines the temperature range corresponding to the average temperature based on the measured target average temperature, and again uses linear interpolation to calculate the vertical and horizontal temperature deformations corresponding to the average temperature to obtain the required temperature deformation correction.

[0091] The correction module in this cloud platform exchanges data with the temperature deformation correction amount calculation module, and is used to correct the horizontal and vertical displacements of the target measured by the monocular intelligent camera according to the real-time temperature deformation correction amount calculated by the temperature deformation correction amount calculation module.

[0092] Specifically, this correction module corrects the temperature deformation by subtracting the corresponding target temperature deformation correction amount from the horizontal and vertical displacements of the target measured by the monocular intelligent camera.

[0093] The monocular camera-based visual deformation monitoring system formed in this example completes the organic deployment of the monocular intelligent camera, target, temperature acquisition unit and cloud platform during operation.

[0094] The monocular intelligent camera automatically identifies the target, intelligently calculates the target displacement regularly, and uploads the calculation results to the cloud platform.

[0095] At the same time, the data acquisition module in the temperature acquisition unit collects data from each temperature sensor on the target at a certain frequency and transmits it to the cloud platform of the visual deformation monitoring system.

[0096] The target temperature processing module in the cloud platform obtains the temperature data uploaded by the temperature acquisition unit and automatically calculates the average value of each temperature sensor of the target.

[0097] The temperature deformation correction calculation module in the cloud platform interacts with the target temperature processing module to calculate the target's horizontal and vertical real-time temperature deformation correction based on the target installation angle and the average temperature through the interpolation algorithm and the determined target temperature deformation query statistical table.

[0098] Finally, the correction module in the cloud platform corrects the horizontal and vertical displacements of the target measured by the monocular intelligent camera based on the calculated real-time temperature deformation correction value, eliminating the target temperature deformation from the visual deformation monitoring results, thereby improving the accuracy of the visual deformation monitoring results.

[0099] As can be seen from the above, the monocular camera-based visual deformation monitoring system presented in this example, by establishing a temperature deformation correction table, adding temperature measurement, data acquisition, and communication modules to the original target, and improving the functions of the cloud platform, can effectively solve the current problem of target temperature deformation masking the actual structural deformation, thereby improving the applicability of the visual deformation monitoring system.

[0100] The basic principles, main features, and advantages of the present invention are shown and described above. Those skilled in the art should understand that the present invention is not limited to the foregoing embodiments. The foregoing embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and modifications may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and modifications are intended to fall within the scope of the present invention. The scope of protection claimed in the present invention is defined by the appended claims and their equivalents.

Claims

1. A method for correcting target temperature deformation in a visual deformation monitoring system, characterized in that: include (1) Based on the actual geometry and material parameters of the target, a finite element model for target thermodynamic analysis is established, and the mechanical and thermodynamic parameters are determined, and displacement and temperature boundary conditions are applied; (2) A uniform temperature load is applied to the entire target in the established target thermodynamic analysis finite element model, and the overall deformation characteristics of the target at different temperatures are calculated; (3) Determine the overall deformation state data of the target at different installation angles and temperatures based on the calculation results of step (2), and further extract the horizontal and vertical temperature deformations at the center of the target under different calculation conditions, and form a query statistical table of target temperature deformation based on temperature and installation angle; (4) Collect the actual temperature of each area of the target at a preset frequency and calculate the average value of the actual temperature of each area of the target; (5) Based on the target installation angle and average temperature, the target temperature deformation query statistical table is used through interpolation algorithm to calculate the target horizontal and vertical real-time temperature deformation correction amount; including the following sub-steps: (5.1) According to the actual installation angle of the target, find the angle range of the actual installation angle in the target temperature deformation query statistical table determined in step (3), and use linear interpolation method to calculate the actual installation angle, vertical and horizontal temperature deformation at different temperatures; (5.2) Based on the measured average target temperature, determine the temperature range corresponding to the average temperature from the temperature deformation statistics table at different target temperatures at the actual installation angle determined in step (5.1), and again use linear interpolation to calculate the vertical and horizontal temperature deformations corresponding to the average temperature to obtain the required temperature deformation correction; (6) Based on the temperature deformation correction calculated in step (5), the horizontal and vertical displacements of the target measured by the monocular are corrected.

2. The target temperature deformation correction method of the visual deformation monitoring system according to claim 1, characterized in that: In the step (1), when constructing the target thermodynamic analysis finite element model, it is performed based on a unified coordinate.

3. The target temperature deformation correction method of the visual deformation monitoring system according to claim 1, characterized in that: In the step (1), when constructing the target thermodynamic analysis finite element model, the target installation orientation is evaluated by the clockwise angle θ between the target center axis and the vertical direction.

4. The target temperature deformation correction method of the visual deformation monitoring system according to claim 1, characterized in that: When collecting the actual temperature of each area of the target in step (4), several temperature sensors are installed on the back of the target and the temperature sensors are thermally insulated.

5. A visual deformation monitoring system based on a monocular camera, comprising a monocular intelligent camera, a target, and a cloud platform, characterized in that: The visual deformation monitoring system also includes a target thermodynamic analysis finite element model unit and a temperature acquisition unit; The target thermodynamic analysis finite element model unit is used to calculate and form a query statistical table of target temperature deformation based on temperature and installation angle; The temperature acquisition unit is arranged in conjunction with the target to collect the actual temperature of each area of the target at a certain frequency and transmit the collected data to the cloud platform; The cloud platform imports a target temperature deformation query statistical table and includes a target temperature deformation correction unit, which includes a target temperature processing module, a temperature deformation correction calculation module, and a correction module; The target temperature processing module obtains the temperature data from the temperature acquisition unit and calculates the average value of the actual temperature of each area of the target; The temperature deformation correction amount calculation module calculates the target horizontal and vertical real-time temperature deformation correction amounts based on the target installation angle and the average temperature calculated by the target temperature processing module through an interpolation algorithm from the target temperature deformation amount query statistical table; the temperature deformation correction amount calculation module first finds the angle interval of the actual installation angle in the target temperature deformation amount query statistical table formed by the two dimensions of temperature and installation angle according to the actual target installation angle, and uses a linear interpolation method to calculate the vertical and horizontal temperature deformation amounts under the actual installation angle and different temperatures; then, based on the measured target average temperature, determines the temperature interval corresponding to the average temperature, and again uses a linear interpolation method to calculate the vertical and horizontal temperature deformation amounts corresponding to the average temperature, thereby obtaining the required temperature deformation correction amount; The correction module corrects the horizontal and vertical displacements of the target measured by the monocular intelligent camera according to the real-time temperature deformation correction amount calculated and determined by the temperature deformation correction amount calculation module.

6. The monocular camera-based visual deformation monitoring system according to claim 5, characterized in that: The target thermodynamic analysis finite element model unit is established based on the actual geometry and material parameters of the target, and mechanical and thermodynamic parameters are determined at the same time, and displacement and temperature boundary conditions are applied.

7. The monocular camera-based visual deformation monitoring system according to claim 5, characterized in that: The temperature acquisition unit includes several temperature sensors, a data acquisition module and a communication module. The several temperature sensors are distributed on the back of the target and are data-connected to the data acquisition module. The data acquisition module is data-connected to the cloud platform through the communication module.

8. The monocular camera-based visual deformation monitoring system according to claim 7, characterized in that: The temperature sensor is covered with a heat insulation layer.

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