50results about How to "Accurate location tracking" patented technology

A multi-touch detecting apparatus includes a liquid crystal display (LCD) module which includes an LCD panel and a backlight unit (BLU), a plurality of infrared light sources which emits infrared light toward the LCD module, an infrared light detecting camera which is disposed proximate a rear surface of the LCD panel, and detects infrared light reflected from an object on the LCD panel, and a control unit which turns off the BLU when the infrared light detecting camera is turned on.

Provided, according to the present invention, is an RTLS tag device generating a power through a shock applied to a piezoelectric element and transmitting tag information or an emergency signal to the wireless LAN APs, and a real time location system including an integrated management server receiving the tag information through the wireless LAN APs to extract location information of the RTLS tag device and providing the extracted location information to a client, and transmitting an alarm signal to the client, if it is determined that the emergency signal has been received or the location information deviates from a predetermined scope.

The invention discloses an instant positioning and map construction method suitable for a dynamic environment, and the method comprises the following steps: firstly carrying out the external parametercalibration of a depth camera and an encoder, and obtaining a transformation matrix from the coordinates of the encoder to the coordinates of the depth camera; layering each frame of image acquired by the depth camera by using an image pyramid, and extracting ORB feature points from each layer of the image pyramid; taking the data obtained by the encoder as a constant-speed model of the trackingmodule, then projecting the feature points of the key frame of the previous frame onto the current frame, matching the feature points with the feature points of the current frame, and performing triangulation on the successfully matched key points to obtain a pose between the two frames. According to the invention, the tracking part uses encoder data as an initial pose during camera re-projection,accurate positioning tracking in a dynamic environment is realized, and compared with a traditional semantic slam tracking module which needs to remove dynamic pixels from each frame, amount of timeis saved.

The invention discloses a motion detection and positioning photography method and a device thereof, which belongs to the field of video monitoring. The method comprises the steps that a camera model is acquired according to an internal parameter matrix and an external parameter matrix of a camera; the threshold of the number of pixels in an image when a motion body moves a preset height or length; according to the value of the number of the pixels and the threshold of the number of the pixels of the current image, whether the motion body moves to the preset height or length is judged; and when the motion body moves to the preset height or length, the rotation angle of the camera is adjusted and the focal length is zoomed to control the center of the motion body in the image plane. According to the embodiment of the invention, by constructing the internal parameter matrix and the external parameter matrix of the camera, self-adaption is carried out to judge whether the motion body moves to the preset height or length; and the rotation angle of the camera is controlled and the focal length is zoomed to control the center of the motion body in the image plane, thus the motion body is photographed through positioning tracking.

The invention discloses a GPS locating and tracking device. The GPS locating and tracking device comprises a master control module, a memory bank, a 3G Modem, a GPS module and a key switch, wherein the memory bank, the 3G Modem, the GPS module and the key switch are respectively connected with the master control module. The GPS module is used for receiving a GPS signal and transmitting the GPS signal to the master control module to be processed. The GPS locating and tracking device further comprises a wireless communication module and a storage, and the wireless communication module and the storage are connected with the master control module. The key switch is used for switching on and off the communication module, the wireless communication module is used for conducting data exchange with an external server, and the storage is used for recording and storing GPS information. The invention further discloses a GPS locating and tracking system. According to the GPS locating and tracking device and system, a target can be positioned and tracked quickly in real time under a good GPS signal environment, and the target can also be positioned and tracked quickly and accurately under a weak GPS signal environment.

The invention discloses a moving target tracking method applied to a complex background. According to moving target tracking methods such as a traditional Meanshift moving target tracking method, the tracking of a moving target is realized through tracking the color constraints of the target, and as a result, the problem of low tracking precision is brought about, in order to solve the problem, the invention provides the moving target tracking method applied to the complex background. The method includes the following steps that: feature point information in a Meanshift search window area is obtained based on an optical flow method; background feature point information is removed according to a velocity estimation value in a Kalman filter, and spatial constraint conditions only considering the feature points of a target to be tracked is constructed; and the obtained spatial constraints are combined with color constraints in the traditional Meanshift method, so that an improved backprojection histogram can be obtained, and the improved backprojection histogram, adopted as the probability density map of the Meanshift, is iterated, and therefore, the process of moving target tracking in the complex background can be completed.

The invention relates to a praxeology-based position tracking method and aims to overcome the defect of high hardware requirements caused by the large required sample amount and the high algorithm complexity when particle filter calculation is used in existing tracking methods. The position tracking method comprises steps as follows: obtaining a current original uncorrected positioning result of a motion terminal according to a positioning time interval T smaller than the acquisition cycle of a sensor with a positioning algorithm; obtaining motion parameters of the motion terminal through an acceleration sensor and a direction sensor; judging and distinguishing the obtained motion parameters to determine three correction modes to be performed on the motion terminal; taking a final positioning result stored and recorded last time as the final positioning result of the precious moment, and performing positioning correction of a static correction mode, positioning correction of a moving correction mode or positioning correction of a turning correction mode in combination with the obtained current original uncorrected positioning result of the motion terminal; outputting the corrected final positioning result obtained by the correction modes; storing and recording the output corrected final positioning result. The method is used for motion terminal position tracking.

The invention discloses a method and a system for following balance vehicles on the basis of signal strength. The method for following the balance vehicles on the basis of the signal strength includesstarting following modes; setting initial locations of the balance vehicles as coordinate original points; receiving wireless signals of intelligent equipment according to preset time intervals; computing the distances and the directions of the intelligent equipment and the balance vehicles according to the strength of the wireless signals; marking coordinates of the intelligent equipment relative to the coordinate original points according to the distances and the directions; forming movement tracks; allowing the balance vehicles to follow the movement tracks to move. The method and the system have the advantages that the balance vehicle following recognition accuracy can be improved, and schemes are simple.

The invention discloses an emergency management system for an industrial smart park. The emergency management system comprises a server, a third-party platform, a monitoring management platform and aremote terminal, server, wherein the server is a big database used for storing all data of the industrial smart park, is used for providing original data meeting standards for the monitoring management platform, and the third-party platform is a relevant government department regulation and control center, the monitoring management platform is a data analysis and processing center of an industrialsmart park, and the remote terminal is remote sensing equipment and is used for collecting relevant data in the smart park in real time. In the present invention, according to the industrial smart park emergency management system, a supervision mode of third-party macroscopic regulation and control is combined, the smart park in the region can be combined, integrated and controlled in a unified manner, abnormal data can be accurately positioned and tracked in the smart park, monitoring management personnel can be assisted in understanding emergency events, and an emergency plan more conforming to the actual situation can be made.

The invention discloses a continuous rolling production line cold bed material tracking method, device and system and a medium. When a cold bed is powered on, data states of grooves on racks of the cold bed are initialized, in each cycle of skirt board action, when steel is allocated to the cold bed during the current skirt board action, the state of the first groove on the corresponding rack of the cold bed is marked as a steel state; in each cycle of action of the movable rack, one-time or repeated shifting treatment is carried out on data states of the grooves on the racks, and in each timeof shifting treatment, the data state of the current groove is used as the data state of the later groove; the state of the first groove of the corresponding rack is marked as a steel-free state; andin each cycle of action of the movable rack, the frequency of shifting treatment on the data states of the grooves is equal to the frequency of reciprocating movement of the movable rack in each cycle of action of the movable rack. Steel on all racks of the cold bed can be positioned and tracked accurately, and therefore whether steel exits in each groove on the racks can be accurately judged.

A method, apparatus, and computer program product for performing hybrid location monitoring of a mobile device. While performing region monitoring for a set of regions, a mobile device enters a first region. Upon entering a region, the mobile device requests region information for the region from a web server. Using the region information, the mobile device determines whether to enable location updates while within the region. Upon exiting the region, the mobile device determines whether to disable location updates. While performing location updates, the location of the mobile device can be tracked and be determined to be within other contained or partially contained irregularly shaped geofences.

The embodiment of the invention provides a target vehicle determination method and device, electronic equipment and a storage medium, and the method comprises the steps of obtaining video data which comprises environment information in a gas station; extracting feature information of a vehicle from the video data and position information of the vehicle in the gas station; on the basis of the feature information, obtaining the stay duration of the vehicle in a refueling area; and when a refueling signal is received, determining a target vehicle associated with the refueling signal according to the stay duration and the position information. The vehicle can be accurately positioned and tracked by utilizing the video data, extracting the feature information of the vehicle from the video data, the position information of the vehicle in the gas station and the stay duration of the vehicle in the refueling area and integrating the information of multiple dimensions, so that the refueling signal and the vehicle can be accurately associated when the refueling signal is received.

Provided, according to the present invention, is an RTLS tag device generating a power through a shock applied to a piezoelectric element and transmitting tag information or an emergency signal to the wireless LAN APs, and a real time location system including an integrated management server receiving the tag information through the wireless LAN APs to extract location information of the RTLS tag device and providing the extracted location information to a client, and transmitting an alarm signal to the client, if it is determined that the emergency signal has been received or the location information deviates from a predetermined scope.

The invention provides a visually positioning system for circuit breaker release screw, which is stable and reliable to realize the rapid and accurate positioning of screws and cuts the long delay testing time for circuit breaker by 30%. The invention comprises an illumination light source, an image acquisition and storage unit, a human computer interface unit, PLC and a crew adjusting and controlling unit. The image acquisition and storage unit comprises an optic lens, a CCD camera, and an image acquisition card. The optic lens is installed on the CCD camera; the output end of the CCD camera is connected with the image acquisition card. The screw adjusting and controlling unit is of a concentric double flexible shaft adjustment structure. The human computer interface unit comprises a monitoring interface and an image processing module. The monitoring interface and the image processing module are connected with each other. The output end of the image acquisition card is connected with the input end of the image processing module; the output end of the image processing module is connected with the input end of the PLC. The output end of the PLC is connected with the concentric double flexible shaft adjustment structure. The light emitted from the illumination light source strikes onto the release screw and is then received by the optic lens.

The scheme relates to the logistics dispensing terminal technical field, and especially relates to an integrated dispensing terminal system with self-cleaning and automatic delivering functions; the integrated dispensing terminal system has the goods automatic delivering function and the automatic cleaning function; the integrated dispensing terminal system comprises a housing, storage cabinets, and a man-machine interaction interface; the storage cabinets comprise a package cabinet, a breakfast cabinet, a fresh food cabinet, and a newspaper rack; the side wall of the housing is provided with a delivering rack comprising a fixed head, a connecting rack, a telescopic rod and a support rack and a collecting rod; a delivering rack control system is arranged in the man-machine interaction interface; the peripheries of the opening frames of the storage cabinets are respectively provided with a slide slot; a cleaning brush is connected in the slide slot in a slide manner, and comprises a brush body, brushes, and a disinfection nozzle.

The invention discloses a bicycle positioning and tracking method and system. The method comprises the steps that a data processing device receives location information, sent by a location receiving device, of a current public bicycle in real time; the location information received in real time is continuously drawn on a pre-stored urban map of a current city, and a travel route map obtained after drawing is stored; a query instruction is received; and a historical travel route map of a target public bicycle is queried according to the query instruction, and the travel route map of the target public bicycle is sent to terminal equipment, wherein the query instruction is input by a user through the terminal equipment, and the target public bicycle is a public bicycle to be queried by the user. Through the bicycle positioning and tracking method and system, positioning and tracking functions on public bicycles are well achieved, the quantity of the public bicycles is ensured, and losses of a public bicycle enterprise are reduced.

The invention relates to the technical field of logistics distribution terminals, in particular to a comprehensive distribution terminal system with the automatic cleaning function, and aims at providing a comprehensive type distribution terminal system with the automatic cleaning function. According to the technical scheme, the comprehensive distribution terminal system with the automatic cleaning function is characterized by comprising a shell, storing cabinets and a human-computer interaction interface; the storing cabinets include the parcel cabinets, the breakfast cabinets, the fresh food cabinets and newspaper stands; the human-computer interaction interface is arranged in the middle of the terminal system and provided with operation keys; sliding grooves are formed in the peripheries of opening frames of the storing cabinets, cleaning brushes are slidably connected to the interiors of the sliding grooves, and each cleaning brush comprises a brush body, a hairbrush body and sterilizing spraying heads. The scheme is suitable for the comprehensive distribution terminal system with the automatic cleaning function.

The invention belongs to the field of metal material structure analysis sample preparation and structure observation characterization, and particularly relates to an in-situ EBSD observation method for microcosmic orientation evolution of recrystallized grains of magnesium alloy. The method comprises the steps of firstly, carrying out mechanical polishing on a magnesium alloy sample, then preparing indentation mark points on the surface to be detected, and conducting EBSD observation for the first time on a target area after ion etching; and taking out the sample, carrying out recrystallization annealing heat treatment and ion etching, finding the same area according to the indentation mark points, carrying out EBSD observation for the second time, and similarly, completing subsequent required in-situ EBSD observation. According to the method, in-situ tracking characterization of recrystallization nucleation, grain growth and microscopic orientation evolution in the same area in the recrystallization annealing process of the magnesium alloy is achieved, and the problems that the magnesium alloy is low in calibration rate due to a surface stress layer, an oxide layer and pollutants,accurate positioning cannot be achieved, and in-situ EBSD observation is difficult to achieve are solved. The process is simple and controllable, the technical requirements on sample preparation of experimenters are low, and the experiment success rate is high.

The invention discloses a moving target tracking method applied to a complex background. According to moving target tracking methods such as a traditional Meanshift moving target tracking method, the tracking of a moving target is realized through tracking the color constraints of the target, and as a result, the problem of low tracking precision is brought about, in order to solve the problem, the invention provides the moving target tracking method applied to the complex background. The method includes the following steps that: feature point information in a Meanshift search window area is obtained based on an optical flow method; background feature point information is removed according to a velocity estimation value in a Kalman filter, and spatial constraint conditions only considering the feature points of a target to be tracked is constructed; and the obtained spatial constraints are combined with color constraints in the traditional Meanshift method, so that an improved backprojection histogram can be obtained, and the improved backprojection histogram, adopted as the probability density map of the Meanshift, is iterated, and therefore, the process of moving target tracking in the complex background can be completed.

The invention discloses a full-automatic welding machine for an automobile frame, and belongs to the field of automobile frame welding. The full-automatic welding machine mainly comprises a tool frame; an automatic welding device capable of moving front and back in the length direction of the tool frame is arranged above the tool frame, a movable beam capable of moving front and back in the lengthdirection of the tool frame is arranged on the automatic welding device, and one or more sets of automatic welding guns capable of moving left and right in the length direction of the movable beam are arranged on the movable beam. According to the welding machine, multiple weld joints can be welded at the same time, two or more frames can be welded at the same time, the frames can be automatically turned over, and the working efficiency is greatly improved. The welding machine is mainly used for welding the automotive frame.

The invention discloses a method for detecting the three-dimensional texture feature of an object and a system thereof. The method comprises the steps of: emitting, by a laser, a laser beam and recording the time of emission of the laser beam; emitting the laser beam onto the opposite surfaces of the object in order that the laser beam are reflected by the opposite surfaces of the object and formsa laser echo signal, receiving the laser echo signal, and recording the time of reception of the laser echo signal; converting the laser echo signal into an electric signal according to the receivedlaser echo signal; according to the obtained electric signal, digitally identifying the electric signal to obtain a pulse intensity corresponding to the electric signal; according to the time of emission of the laser beam, the time of reception of the laser echo signal and the pulse intensity, calculating the grayscale value of the opposite surfaces of the object and outputting the grayscale value. The method can extract the overall appearance features and the texture details of the opposite surfaces of the object, is not affected by ambient illumination factors, and has good practicability.

The invention relates to a spatial position coordinate real-time measuring device belonging to the geometric sense measuring field. The spatial position coordinate real-time measuring device comprises a biaxial angle measuring mechanism and a displacement measuring mechanism. A hinge seat of the biaxial angle measuring mechanism is connected with one end of the outer cylinder of the displacement measuring mechanism. The spatial position coordinate real-time measuring device is advantageous in that the spatial orientation of the measured point can be sensed by the biaxial angle measuring mechanism, and the spatial distance between the measured point and the center of the cross shaft can be sensed by the displacement measuring mechanism, and therefore the real-time measurement of the spatial position coordinate of the measured point can be realized; the position tracking is accurate and reliable.

The invention discloses a positioning and tracking system based on a robot. The system comprises an operating system, a central processing device, a main control unit, a storage module, a display module and a touch display screen. The main control unit comprises an external sensing unit, a motion control unit, and an artificial intelligence unit. The operating system is used to issue an operationinstruction to the central processing device. The touch display screen regulates and controls the operating system through the display module and the central processing device. The touch display screen is used to receive information transmitted by the central processing device and the storage module, and display the received information in real time. The main control unit is used to receive the information transmitted by the external sensing unit, the motion control unit, and the artificial intelligence unit, and transmit the received information to the central processing device. The positioning and tracking system based on the robot can carry out multipath control according to the usage condition of a user and can carry out real-time measurement and control, safety performance is high, and the positioning and the tracking are accurate.

The invention relates to the technical field of logistics distribution terminals, in particular to a parcel terminal system with an automatic fetching and sending function. According to the scheme, a parcel distribution terminal system with an automatic goods fetching and sending function is provided. According to the technical scheme, the parcel terminal system with the automatic fetching and sending function is characterized in that a shell, a storage cabinet and a human-computer interaction interface are included, and a fetching and sending frame is mounted on the side wall of the shell and comprises a fixed head, a connecting frame, a telescopic rod, a supporting frame and a goods taking rod; a control line and a control mechanism are installed in the fetching and sending frame; a control system of the fetching and sending frame is arranged in the human-computer interaction interface.

The invention relates to a slave BMU automatic networking system and method convenient for accurate positioning. The system comprises a master BCU and at least one slave BMU; the master BCU and the slave BMU are both in communication connection with the communication bus; the slave BMU comprises a first network connection port and a second network connection port; the slave BMU further comprises a slave MCU control unit used for analyzing the ID identification information and the connection state; a slave communication loop used for transmitting ID identification information between the slave MCU control unit and the communication bus; a state monitoring loop which is used for monitoring the communication connection state of the first network interface of the slave BMU and the communication bus and feeding back the communication connection state to the slave MCU control unit; and a switch control loop which is used for receiving the information of the slave MCU control unit and accessing the second network interface of the slave BMU to the communication bus. According to the invention, automatic networking can be realized, and the ID after networking can reflect the physical position of the slave BMU.

The invention discloses an intelligent tracking system which comprises a target end, a tracking end, a controller, a reflecting belt, a synchronous motor, a wireless communication module, infrared generators, and ranging sensors. The target end and the tracking end are respectively equipped with the infrared generators and the ranging sensors, and acquire the accurate real-time coordinate positions thereof through the infrared generators and the ranging sensors. The controller judges the accuracy by comparing the coordinates of the same positions of the tracking end and the target end, so as to realize deviation correction. The position of the tracking end is adjusted in such a way that the tracking end moves in a direction for reducing the position deviation from the target end. The intelligent tracking system of the invention has the advantages of simple structure, strong practicability, high degree of automation, and accurate real-time tracking position.

The scheme relates to the technical field of logistic distribution terminals, in particular to a comprehensive distribution terminal system. The scheme aims to provide the comprehensive distribution terminal system with a function of storing various articles at the same time. The technical scheme is that the comprehensive distribution terminal system is characterized by comprising a housing, a storage cabinet, and a man-machine interaction interface, wherein the storage cabinet comprises a parcel cabinet, a breakfast cabinet, a fresh food cabinet, and a newspaper stand; the parcel cabinet is arranged at the upper part of the terminal system; the man-machine interaction interface is arranged in the middle of the terminal system; operation keys are arranged on the man-machine interaction interface; the breakfast cabinet is arranged below the man-machine interaction interface and the parcel cabinet; the fresh food cabinet is arranged below the breakfast cabinet; a refrigeration system is arranged in the fresh food cabinet; and the newspaper stand is arranged on a side surface of the terminal system. The scheme is suitable for the comprehensive distribution terminal system.

The invention belongs to the technical field of online circuit design review, and discloses a circuit design online review method and system, a medium, equipment, a terminal and an application. The method comprises the steps of starting a login system, creating a review project to fill in project information, and starting a review process; selecting a design object, filling in opinion information,and submitting or storing review opinions; establishing long-acting connection between a client and a server, and pushing communication content; outputting a report, quickly outputting a report filein a specified format and storing the report file locally; archiving the file; carrying out enterprise knowledge base management; and carrying out data statistical analysis. According to the method, design review opinions are rapidly collected and gathered on line and fed back to designers, the design review opinions and design tools are developed and integrated, the review opinions and design data are bound, the designers can position questions through one key, restore question views and modify and reply the review opinions in time, the efficiency of the design review process is greatly improved, resource waste caused by repeated conference holding is avoided, and the design period is accelerated.

The invention discloses a target tracking method based on a binocular camera and a related device. The method comprises the following steps: acquiring a video frame of a target object by adopting the binocular camera; performing section processing on a preset target three-dimensional model according to the video frame to obtain a target object mask, the preset target three-dimensional model being a three-dimensional model corresponding to the target object; extracting operation corner point parameters of the target object through the target object mask; and performing real-time target tracking on the target object by adopting a preset sparse optical flow method according to the operation angular point parameters. The target tracking method and device solve the technical problems that an existing target tracking technology is prone to being affected by environment changes, and consequently tracking stability and accuracy are poor.

The present application provides a low-speed vehicle positioning method and device based on spatial optical communication technology. The method includes: determining the current position of the mobile device according to the optical signal sent by the light source received by the spatial optical signal receiving device; When it coincides with the target trigger position, the current magnetic field strength value of the mobile device at the target trigger position is obtained through the inertial navigation system; according to the historical magnetic field strength error value and the current magnetic field strength value, the magnetic field strength value of the mobile device at the target trigger position is calculated; the historical magnetic field The strength error value is obtained according to the historical magnetic field strength value obtained every time the mobile device moves to the target trigger position; according to the magnetic field strength value, the heading of the mobile device is determined to track the mobile device. The application provides a low-speed vehicle positioning method based on spatial optical communication technology, which can accurately determine the heading of the mobile device at the current position, and then perform positioning and tracking on the mobile device.