326results about How to "Real-time update" patented technology

The invention provides a synchronous positioning and map-constructing method for a mobile robot facing an indoor dynamic environment, wherein the method can effectively solve the problem of positioning and navigation map construction for mobile robots in indoor dynamic environment. Specifically, the initial estimation of a camera pose is achieved by minimizing the photometric error of an image. Then, the motion compensation of the image is estimated, and a moving object in the image is segmented, local map points projected in the moving area of the image are eliminated, and the camera pose isfurther optimized. Finally, a TSDF dense map is constructed by using the optimized camera pose and camera image information, and real-time updating of the map in the dynamic environment is completed by using motion detection in image and map levels. Experimental results show that in the indoor dynamic environment, the method can effectively improve the positioning accuracy of the camera, realizesreal-time updating of the dense map, improves the robustness of the system and enriches the environmental information perceived by the robot.

The invention discloses an underground pipeline positioning method based on a CORS (continuous operational reference system). The method comprises the following steps of: I, establishing a CORS; II, collecting paper drawings: collecting the pipeline as-built drawings of all underground pipelines paved in an area to be positioned and the topographical map around each underground pipeline respectively; III, making an electronic map, wherein the making process comprises the steps of paper map electronization treatment, drawing scanning and pretreatment, raster image transfer, raster image orientation, image sector conversion, pipeline attribution information marking, edge matching treatment, projection conversion, data check, conversion into an embedded electronic map and the like; IV, transferring and visually displaying the electronic map; V, superposing the coordinate data of the electronic map; and VI, positioning the underground pipelines. The method disclosed by the invention is easy and convenient to use and operate, has a good using effect and high practical value, and can really realize accurate positioning of the underground pipelines and effectively solve the problems of inconvenience in positioning operation, relatively bad positioning effect and the like of the existing underground pipeline positioning method.

The invention provides a registering method and system of face identification access control. The system comprises a mobile terminal, a server and at least one access control device; the method comprises following steps of associating the mobile terminal with an indoor unit; sending the associated mobile terminal information to the server; collecting face data through the build-in camera of the mobile terminal; sending the collected face data information to the server; receiving and storing the face data information sent from the mobile terminal by the server; searching the access control device associated with the mobile terminal information; informing the access control device of downloading the face data information; receiving the downloading notice of the server by the access control device; downloading the face data from the server; registering the downloaded face data in the access control device; associating with a user; and finishing registering. According to the method and the system provided by the invention, the face data can be updated timely; the face can be identified and registered very conveniently; moreover, the face database is enriched; and the identification rate of the access control device in identifying the face is improved.

The embodiment of the invention provides a video recommendation method and device, and the method comprises the steps: extracting one or more video feature items from video data, and writing the video feature items into a video feature database; obtaining a configuration file of one recommendation mode, and determining one or more corresponding video feature items in the video feature database according to the configuration file; respectively calculating characteristic scores corresponding to the determined video feature items, and obtaining the total score of the video data; carrying out the ordering of all video data according to the total score, and generating a video recommendation list; and recommending the video recommendation list to a user. According to the embodiment of the invention, the videos recommended for the user meets the demands of the user. When the user wants to observe the favorite videos, the user can quickly obtain the favorite videos from the recommended videos, and does not need to carry out a large amount of search, thereby preventing server resources and network resources from being wasted severely.

The invention discloses a Netty-based large screen visualization platform data push system which comprises a data collection layer, a data set inquiry service layer and a client display layer. The Netty-based large screen visualization platform data push system disclosed by the invention directly pushes data to a relevant subscribed client through an asynchronous and event-driven network application framework, realizes data real-time update, and overcomes the problem that the traditional plugged IO (Input/Output) multithread mode can not meet the requirement of real-time and stable push of large data by a large screen visualization platform.

The invention relates to an efficient configuration update method and system of a terminal device in an Internet of things system. The efficient configuration update method and system of the invention are designed to improve the efficiency, reliability and maintainability of the configuration update operation of the terminal device in the Internet of things system. The efficient configuration update method for the terminal device in the Internet of things system includes the following steps that: the terminal device enters an operation state; the terminal device is in communication connection with a cloud platform and receives a configuration update instruction outputted by the cloud platform or a user end, when the terminal device receives the configuration update instruction, the terminal device analyzes the configuration update instruction, the configuration instruction queue of the terminal device is updated; the instruction queue is scanned with a predetermined time interval, an operating environment is modified, and the main storage configuration information of the terminal device is synchronized to an external storage; and configuration information synchronization is performed on the cloud platform and the terminal device with predetermined delay time. With the efficient configuration update method and system of the terminal device in the Internet of things system of the invention adopted, local configuration update can be realized efficiently in real time in the normal operation process of the terminal device of the Internet of things system, fault tolerance and error correction capabilities can be realized.

The invention provides a map construction method utilizing a mobile robot and a work method utilizing the map. The map construction method comprises steps that 1, the mobile robot is placed in a to-be-worked space, and a coordinate system corresponding to the to-be-worked space is established; and 2, the mobile robot is guided through artificial control to walk in a path for avoiding obstacles, the surrounding environment information is acquired in the walking process, and an initial to-be-worked space map is established in the coordinate system according to the environment information. Through the map construction method, not only can the mobile robot be prevented from bumping in a motion process during map construction, but also real-time update for the map in a work process and increase/decrease adjustment on work points can be realized, work accuracy of the mobile robot can be simply and rapidly improved, and thereby work efficiency is improved.

The invention provides a touch control pen applied to a touch control input system. The touch control input system is provided with a touch control interface, the touch control pen is used for performing touch control operation on the touch control interface, and at least one diameter capable of changing the touch control operating characteristics is memorized in the touch control input system. The touch control pen comprises a communication module for building communicating connection with the touch control input system, a memorizing unit for memorizing a specified diameter corresponding to a part of or all of diameters in the touch control input system, and a diameter calling module for selectively calling the specified diameter in the memorizing unit. When the specified diameter in the memorizing unit is called by a diameter adjusting module, the diameter corresponding to the specified diameter in the touch control input system is called synchronously to change the touch control operating characteristics. Real-time updating of callable diameters can be achieved well by utilizing the touch control input system and the touch control pen.

The invention discloses a method for building a conceptual knowledge map based on Wikipedia, which includes steps: firstly, extracting knowledge documents from a Wikipedia full-text database and classifying and storing the extracted documents; secondly, analyzing each knowledge document to obtain knowledge information and storing the knowledge information in a database; thirdly, transforming the knowledge information into corresponding conceptual knowledge nodes and category knowledge nodes on the basis of standards in a knowledge node format description library and storing the knowledge nodes in file format locally; fourthly, building an index to provide a function of knowledge information searching via key words and displaying the searching results. The conceptual knowledge map is applicable to a plurality of fields, the knowledge information can be updated along with Wikipedia, obtaining knowledge source is easy, knowledge information is comprehensive, extensible markup language is adopted to describe the knowledge node information, and accordingly, the conceptual knowledge map is high in extensibility and can be applied to multiple platforms.

The invention discloses a geomagnetic sensor parking monitoring method, comprising the following steps of a, sampling a parking space magnetic field by a geomagnetic sensor with a certain frequency; b, comparing the sampling with a previously obtained space magnetic field value under the empty parking space condition to judge whether a vehicle is parked; c, periodically reporting sampling judging results of the time point as 0X25 data; d, reporting the data with two continuous different sampling judging results in real time as 0X23 data; e, firstly, dividing time into time periods continuously connected end to end according to the 0X25 data and judging whether an vehicle is parked according to the 0X25 data, secondly, if the 0X23 data are received in a certain time period, judging the parking space state of the time period as non-parking; f, generating a parking space occupying matrix; g, generating an effective parking matrix LD according to the length of the parking time. The geomagnetic sensor parking monitoring method realizes the real-detection on the parking condition of parking spaces, and a comprehensive parking condition changing rule is obtained.

The invention relates to an automatic identification warning system of a vehicle-mounted traffic annunciator, comprising an image input system, a central processing system, a voice prompt system and a video display system, wherein the image input system is connected with the central processing system; and the central processing system is also respectively connected with the voice prompt system and the voice prompt system. The automatic identification warning system can accurately prompt drivers with real-time road condition information so that the drivers are easy to know the road condition information and avoid incompletely and mistakenly seeing traffic signal marks; and the automatic identification warning system has advanced image identification method and high identification rate and can realize the real-time updating of navigation software.

The invention discloses an intelligent simulation-type nursing teaching system based on double-network interconnection and a construction method. The nursing teaching system comprises an identity information identification module, a digital twin modeling module, a computer processing module, a virtual simulation teaching module and a self-service terminal module. Various elements in nursing wardsof hospitals in cooperation can undergo real depiction and description modeling via 3D modeling, virtual reality, augmented reality and simulation techniques, physical data collection can be conductedon equipment and apparatuses in the nursing wards of the hospitals in cooperation so as to generate model data of a mirror image, and finally, characteristic extraction, multi-source cleaning and consistency verification can be implemented through data fusion, so as to obtain twin data which is mapped in a virtual model to form an interactive scene framework. Generally, the nursing teaching system provided by the invention can achieve real-time data updating and is more beneficial for teaching guidance; and the nursing teaching system has the advantages of being vivid in effect, high in datasynchronous fit degree, good in practical training effect, high in quality and the like.

The present invention discloses an infrared equipment control method, which concretely comprises the following four processes: (1) infrared code learning of control equipment, (2) infrared code library establishing, (3) infrared code downloading, and (4) infrared control, wherein the process (1) is learning the infrared code information of the infrared equipment onto infrared control equipment through intelligent home gateway, the process (2) is forming the infrared code information of the infrared equipment into a library file and achieving sharing, the process (3) is downloading the code in the infrared code library onto the infrared control equipment through the intelligent home gateway or downloading the infrared code through a coding capture software, and the process (4) is that the client terminal concurrently controls and learns the infrared control equipment through the intelligent home gateway. According to the present invention, the problems of complex series operations and data transmission and synchronization update during the infrared control process of the home equipment in the prior art are solved, and the learning control of the intelligent home infrared equipment, in-time infrared code data update, remote control without network, and the like can be achieved.

The invention discloses a high-order volume Kalman filtering and neural network-based state estimation method. The method is realized through the following steps of: firstly establishing a state space model for a nonlinear system by utilizing a neural network; combining a weight of the neural network and a state variable of the system to serve as a new state variable; and updating the new state in real time by adoption of high-order volume Kalman filtering, so as to achieve the real approach, to a nonlinear system model, of the neural network and the accurate estimation of a state value. Through experimental simulation, the effectiveness of the method is proved.

The embodiment of the invention provides a traffic information processing method and device, relating to the field of information processing. The method and the device provide a streaming way for real-time dynamic traffic information, eliminate delay in data processing, and realize the real-time update of traffic information. The method comprises the following steps: receiving source data for normalization, and sending the obtained normal data to a data transmission middleware; periodically receiving the normal data from the data transmission middleware for map matching, and combining with historical matching results for path speculating to obtain normal trajectory data; periodically receiving the normal trajectory data and the normal data and conducting fusion processing to obtain normal traffic stream information. The method and the device are used for streaming the real-time dynamic traffic information.

The invention provides a storage method and system and a display system for video abstract data. According to the storage method and system for the video abstract data, the abstract data, obtained from video image data, of a moving target are stored in a file fragmentation mode, and a fragmentation file formed by the obtained abstract data can be generated and stored at each maximum fragmentation time. Compared with the single-file storage mode that in the prior art, data storage cannot be carried out until video data transmission is finished, abstracts can be extracted in real time, and the video abstract data can be continuously stored in real time through the storage method and system and the display system for the video abstract data; in addition, due to the real-time characteristic, the time delay from the moment that some moving target appears in a monitoring front-end image to the moment of obtaining the abstract data of the moving target is only the sum of the network image transmission time delay and the abstract data extraction time delay, and the video copying time delay and the video storage time delay are omitted.

The invention relates to a mean shift tracking algorithm-based traffic flow detection method and belongs to the intelligent transportation system technical field. The traffic flow detection method includes the following steps that: an improved mean filtering background extraction method is utilized to screen pixels in a video image, and then, gray value summation operation is performed on pixels that meet a screening condition, and the other pixels are ignored, and what counts is the formulation of screening rules; a current prediction vector is calculated according to the initial position and current position of a target, and calculation is carried out based on the current position of the target and the prediction vector, and the next position of the target can be predicted; and in most of mean shift algorithms, color histograms are generally adopted as the characteristic description of targets, and a tracking algorithm is efficient and robust. According to the method, different points of a foreground image and a background image are analyzed; foreground and background can be distinguished; the background image is screened out as far as possible; and finally, statistical processing is carried out.

The invention belongs to the technical field of building design, and discloses a drawing display system and method for outdoor building design. The drawing display system for outdoor building design comprises a building drawing image acquisition module, a main control module, an image enhancement module, a modeling module, a building element extraction module, an identification module, a format conversion module, a comparison module and a display module. The binary files corresponding to the same building object of all floors are optimized through the modeling module, so that the building modeling efficiency is improved; meanwhile, the acquired architectural drawing to be compared is converted into a picture format image through a comparison module, automatic comparison of the building drawings is achieved under the condition that compatibility and calculation speed are guaranteed and the complexity degree of codes is reduced by adopting an overlapping comparison mode, automatic comparison results can be consulted easily, and then the examination efficiency of the building drawings can be improved easily.

The invention discloses a line loss analysis management system and a line loss analysis management method and is applicable to the technical field of electric measurement. The line loss analysis management system comprises an information concentrator, a power consumption information acquisition software server, a middle database server and an SG186 database server, wherein the information concentrator is connected with a data interface of an electric energy meter through a data line; the power consumption information acquisition software server and the information concentrator transmit the data through a general packet radio service (GPRS) network; the input end of the middle database server is connected with the output end of the power consumption information acquisition software server; and the input end of the SG186 database server is connected with the output end of the middle database server. The system has the beneficial effects that statistic analysis of the middle data is utilized, so that the line loss abnormity reasons are conveniently and rapidly found; and moreover, the line loss abnormity reasons can be analyzed, so that the workers can conveniently check the line, the line loss abnormity reasons are processed, the line loss abnormity check efficiency is improved, and the economic benefits of the power grid company are maintained.