54results about How to "Realize tracking and positioning" patented technology

The invention provides a RFID(Radio Frequency Identification)-based confidential carrier intelligent monitoring system and a monitoring method of the same. The system comprises interconnected upper computer system and lower computer system, wherein the lower computer system is arranged in a confidential region (800); the upper computer system comprises an information center server (100); the lower computer system comprises a RFID identification system (200), an access control system (300), a warning system (400) and a photographing sensing device, which respectively keep network connection with the information center server (100); and the RFID identification system (200) is further contacted with a confidential carrier (700). The invention further provides a monitoring method of the system. The system and the method can establish a uniform confidential carrier centralized monitoring network for the confidential field, and realize automatic intelligent management on the confidential carrier in the whole life cycle.

Provided is a mobile phone and tracing implementation method thereof, wherein the mobile phone comprises trigger unit for detecting and tracking whether trigger condition is satisfied; position module for obtaining current location information as the trigger condition is detected by trigger unit to be satisfied; sending module for sending the current location information to user-specified receiver through mobile communication network. With the invention, the phone loser can acquire the location of lost phone for location-tracking of phone, so that user can get back the lost data and mobile phone.

The invention discloses a tunnel safety monitoring information early warning system based on BIM. The system comprises an integration device, a data acquisition device, a central server, an alarm device, an access control device and the like. The integration device is connected to the central server through the data acquisition device. The central server is connected to the alarm device and the access control device. Compared with a traditional danger early warning technology, by using the system of the invention, two-way alarm is performed on people and a vehicle machinery, and through a GPSintelligent monitoring and locking technology, the machinery during a construction process is forcedly reset and locked so as to protect the safety of construction personnel and reduce safety accidents to a greater extent; and management personnel can accurately and timely grasp the number of construction personnel and the vehicle machineries in a tunnel, a problem can be timely discovered, and safety construction is ensured and omnibearing management to construction site personnel is realized. A BIM technology and a safety early warning technology are combined, the comprehensive monitoring and management of tunnel machinery construction are realized, and simultaneously the probability of safety accidents is reduced.

The invention discloses a signal intersection single vehicle stopping delay time estimating method based on GPS data. The method comprises steps that: firstly, vehicle GPS data of vehicles at a signal intersection is firstly acquired; secondly, whether the vehicles are in a saturated state is determined according to stopping positions; single vehicle stopping delay time calculating models in saturated and unsaturated states are respectively established; and single vehicle stopping delay time in the saturated and unsaturated states is acquired. The method utilizes the linear relations between the signal intersection single vehicle stopping delay time and the stopping positions, on the basis of considering about pollution to delay data caused by GPS data abnormality and accidental vehicle stopping, the relation models between the single vehicle stopping delay time and the stopping positions in unsaturated and over-saturated states are respectively established by utilizing the robust regression thought and employing least trimmed squares LTS regression to estimate stopping delay time of single vehicles at the signal intersection; tracking and positioning for the single vehicles are realized, and the method has strong timeliness.

The invention provides an anti-theft method based on a compass short message function. The anti-theft method based on the compass short message function comprises the following steps: arranging an alarm information receiving address in advance; collecting gesture data of a target device in real time; judging whether a carrier is in a static state according to acceleration data, when the carrier is not in the static state, judging whether the acceleration data and replacement exceed preset values, when the acceleration data and the replacement exceed the preset values, judging that the target device is stolen, and retransmitting alarm information to the alarm information receiving address through a compass communication satellite or a mobile network. The invention further provides an anti-theft system based on the compass short message function. The anti-theft system based on the compass short message function comprises a compass receiving and transmission terminal, a gesture sensor and a controller. The controller is used for storing the preset alarm information receiving address, and judging whether the target device is stolen. The compass receiving and transmission terminal is used for retransmitting the alarm information through the compass communication satellite. The gesture sensor contains compass navigation location, and is used for collecting the gesture data of the target device. The anti-theft method based on the compass short message function and the anti-theft system based on the compass short message function are capable of timely carrying out effective alarms.

The invention discloses a workpiece position tracking positioning method, comprising steps of defining a plurality of monitoring areas in the workshop and arranging cameras in the monitoring areas, transmitting video images collected by the camera to the computer and performing moving object identification, choosing a scanning area corresponding to the read-write distance of an ultra-high frequency RFID reader-writer in each monitoring area according to the read-write distance of the ultra-high frequency RFID reader-writer, determining the position information and the processing state of the workpiece and uploading the obtained information to an MES production management system. The invention can provide the state information like the reliable workpiece position, processing procedur, etc., uploads the collected data to the workshop MES production management system, replaces the traditional artificial operation, and effectively improves the efficiency of the industrial production management.

The invention relates to a four-head gantry welding machine for a crane beam and a control method. The four-head gantry welding machine comprises a walking frame. The top of the walking frame is provided with a beam body. The walking frame is provided with a controller. The beam body is vertically and symmetrically provided with two stand columns. The bottoms of the stand columns are provided with filament submerged arc welding machine heads controlled by the controller. The walking frame is symmetrically provided with two gas shielded welding gun machine heads controlled by the controller. According to the four-head gantry welding machine, through the two symmetrically arranged filament submerged arc welding machine heads and the two symmetrically arranged gas shielded welding gun machine heads, two welding seams between H-shaped steel on the crane beam and two side cover plates on the two sides and two welding seams between a U-shaped groove below the crane beam and the side cover plates are welded at the same time, so that four welding seams in the two sides of the crane beam are welded at the same time, and the problems that the welding stress is large, and deformation is larger after the crane beam is integrally welded when single-side welding is conducted are solved.

The invention relates to an eye-control man-machine interaction system. The eye-control man-machine interaction system comprises an image collection device and a host, wherein the image collection device is used for collecting human face image information; and the host comprises an eye feature extraction module, a pupil center tracking module, a coordinate transformation module and a mouse simulation module; the eye feature extraction module is used for extracting eye feature information; the pupil center tracking module is used for tracking a pupil center and determining a pupil center coordinate; the coordinate transformation module is used for mapping the pupil center coordinate into a coordinate in a screen window; and the mouse simulation module is used for converting the coordinate in the screen window into a mouse instruction. The eye-control man-machine interaction system is easy to install, simple in operation and low in cost and can be used for helping disabled people to acquire more learning opportunities. The invention further relates to an eye-control man-machine interaction method.

The invention discloses an intelligent parking management system and method, belonging to the field of smart communities. The system comprises an intelligent card, an RFID reader, monitoring devices, a video server, an RFID landmark device and a positioning analysis server, wherein the RFID landmark device transmits position information to the intelligent card; the RFID reader monitors the intelligent card in a radio frequency area and transmits the read position information and card ID to the positioning analysis server; the positioning analysis server compares the received latest position information and card ID with pre-stored parking space position information and card ID, and transmits the number and rotating angle of the monitoring device to the video server according to the comparison result and a corresponding relationship between the parking space position information and the monitoring device; and the video server controls the corresponding monitoring device to rotate a specified angle. The system is linked with video monitoring by tracking and positioning vehicles entering the community, a disordered parking phenomenon in the community is effectively eliminated, the community security is maintained, and the parking space is effectively utilized.

The invention discloses a three-dimensional visualized scalp craniotomy positioning method combined with optical surgery navigation, and the positioning method comprises the steps: 1), introducing a CT image sequence of a patient's brain to perform segmentation, obtaining two-dimensional image data of an intracranial lesion and the scalp; 2), performing three-dimensional reconstruction according to the two-dimensional images of the lesion and the scalp, and performing rendering into a three-dimensional model in a virtual space, and performing the orthogonal mapping of the lesion model to the scalp to design an adaptive craniotomy contour; 3), combining an optical surgical navigator to complete the registration of a surgical tool and the patient's space and the virtual space, tracking the surgical tool in real time, and drawing the actual craniotomy contour on a real skull scalp along the virtual craniotomy contour; 4) recording and displaying a movement path of the tip of the surgicaltool through employing a virtualization method; 5), solving the distance between the actual contour and the designed contour in the virtual space to assess the accuracy of craniotomy. The method provides a reference for a doctor to draw a contour, and breaks through the shortcomings of the traditional method that the naked eye is closely focused on the lesion to design the craniotomy contour.

The invention discloses an irregular curved surface tracking method and system based on a matrix feature learning neural network. The method comprises the steps that an expectation feature vector is obtained; an initial matrix feature vector, the Jacobian matrix of the initial matrix feature vector and the target joint angular velocity vector of a mechanical arm are obtained; deep off-line training is conducted on a b-spline-based neural network controller by using the initial matrix feature vector, the Jacobian matrix of the initial matrix feature vector and the target joint angular velocityvector of the mechanical arm; feature errors of the current matrix feature vector and the expectation matrix feature vector are input to the trained b-spline-based neural network controller by the mechanical arm joint angular velocity vector to obtain the mechanical arm joint angular velocity vector under the current pose; the mechanical arm is controlled to move according to the mechanical arm joint angular velocity vector under the current pose to make a camera at the end of the mechanical arm to move along with the mechanical arm. By means of the method, the accurate positioning tracking ofan irregular curved surface can be achieved.

The invention relates to an orthopaedic array support frame, an orthopaedic array device and an orthopaedic robot. The orthopaedic array support frame is used for mounting an array frame of the orthopaedic array device, and comprises a base assembly. a supporting assembly and an adjusting assembly, wherein the base assembly is used for being installed in a femur; one end of the supporting assembly is arranged in the base assembly; and the adjusting assembly is installed at the other end, away from the base assembly, of the supporting assembly, the peripheral side of the adjusting assembly is further connected with the array frame, and the adjusting assembly can rotate relative to the supporting assembly so as to adjust the direction of the array frame. When rotating relative to the supporting assembly, the adjusting assembly can drive the array frame to move so as to adjust the positions of reflective balls in the array frame. Thus, optical tracking equipment can capture the positions of the reflective balls to realize tracking and positioning. The tracking effect is guaranteed, assembly and use are convenient, the surgery effect is improved, and the accuracy of joint replacement surgery is guaranteed.

The invention relates to the technical field of computer vision, in particular to a pose positioning method of an active rigid body in a single-camera environment and related equipment. The method comprises the following steps: acquiring two-dimensional space point coordinates, two-dimensional space point codes and camera parameters of two adjacent frames, matching the two-dimensional space pointcoordinates according to the two-dimensional space point codes to obtain a plurality of groups of two-dimensional space feature pairs, constructing a linear equation set by the plurality of groups oftwo-dimensional space feature pairs and the camera parameters, and solving an essential matrix; decomposing the essential matrix through a singular value decomposition algorithm to obtain multiple groups of rotation matrixes and translation matrixes; and estimating three-dimensional space point coordinates, detecting a depth value, determining a target rotation matrix and a target translation matrix, and determining a rigid posture according to the target rotation matrix and the target translation matrix. According to the invention, in a single-camera environment, tracking and positioning of the active optical rigid body can be realized at a low cost, and the method has obvious advantages compared with a complex multi-camera environment.

The embodiment of the invention provides a stereo vision three dimensional reconstruction system and method. The stereo vision three dimensional reconstruction system includes a first camera, a second camera and a computer, wherein the first camera and the second camera are fixedly connected; the first camera and the second camera synchronously move around an object to be reconstructed, and synchronously acquire the images of the object to be reconstructed at a plurality of visual angle positions; and the computer determines the motion relationship of the first camera at the plurality of visual angle positions according to the images acquired by the first and second cameras, and reconstructs the three dimensional model of the object to be reconstructed according to the motion relationship and the images acquired by the first camera at the plurality of visual angle positions. The scheme of the stereo vision three dimensional reconstruction system and method has the advantages of avoiding usage of the third party calibration equipment, thus being conductive to reduction of cost, improving the accuracy of data, being conductive to recovery of the real-dimension surface morphology of the object to be reconstructed, and avoiding usage of object motion control equipment.

The invention provides a building rubbish treatment system based on a GIS and the Internet of Things. The building rubbish treatment system comprises a rubbish pipeline conveying and grading device for multi-story building construction and a clearance car. A positioner, the geographical information system, an alarm and a central control unit are arranged on the clearance car. The positioner is insignal connection with the geographical information system, and the alarm and the geographical information system are connected with the central processing unit. The system is provided with the GIS and the Internet of Things, a rubbish transporting route and dumping sites are precisely controlled in real time, and classified rubbish is tracked and positioned. Operation is convenient, time and labor are saved, and safety and reliability are achieved; the potential safety hazards around a building are greatly reduced, the subsequent treatment efficiency on the building rubbish is improved, raised dust of the rubbish is effectively reduced, and pollution to the surrounding is avoided.

The invention discloses an intelligent navigation and positioning system and method based on wifi, and the system comprises a central server, and a central switcher which is connected with the centralserver through a network line. A first network line of the central switcher is connected with computer equipment of a management center, and a second network line of the central switcher is connectedwith a firewall. The firewall is connected with a router through a network line, and the router is connected with a mobile terminal through a GPRS wireless network. A third network line of the central switcher is connected to a positioning server and positioning switchers, and each positioning switcher is connected with a plurality of wifi positioning APs. The plurality of wifi positioning APs are connected with the positioning tag of one of a wifi positioning card, a wifi positioning bracelet and a positioning cellphone through a wifi signal. The method provided by the invention is simple and convenient to use, and can greatly guarantee the travel convenience and safety of the people.

The invention discloses a binocular stereo vision multi-thread tracking and positioning method. A crossbeam is fixed on a tripod, a first camera and a second camera are respectively fixed at the two ends of the crossbeam, a lens of the first camera is provided with a first infrared optical filter, a lens of the second camera is provided with a second infrared optical filter, the first camera is connected to a first collection card via a first shooting connection line, the second camera is connected to a second collection card via a second shooting connection line, the first and second collection cards are inserted into a computer, the computer is connected with a display, and the first and second cameras are connected with an external trigger end respectively through a first general input / output line and a second general input / output line. Hardware and software systems are more compatible due to improvement, image data collection and processing and space reconstruction can be implemented in parallel, and the requirement of instantaneity is met.

The invention relates to a data transmission method for a grid mobile terminal based on an improved DES encryption algorithm, comprising: inputting an entry parameter of a DES encryption algorithm, translating and dividing the significant digits of the key Key into two parts, creating 16 sub-keys K[j][48] having a length of 48 bits, dividing the 64-bit plaintext data into 16 copies every four bits, encrypting the order of the sub-keys after the location exchange, encrypting the plaintext data, performing S-box operation to obtain the DES encryption result of the transmission, and decrypting the information transmitted. At the same time, a right control module, an anti-theft mode and positioning service module, and a smart dialing module are added on the mobile terminal side. The inventionmakes the attacker cannot obtain the transformation situation through a large amount of plaintext, reduces the complexity and cumbersomeness of the algorithm, and makes the operation efficiency of thealgorithm basically not affected, makes the complex degree of the exhaustive attack also become more cumbersome since the sub keys change corresponding to the order of the transformation, and greatlyimproves the security of data protection.

The invention belongs to the technical field of visual tracking, particularly relates to a long-time unmanned aerial vehicle tracking and positioning method, system and device based on stereoscopic vision, and aims at solving the problems that an existing visual tracking method is poor in target tracking and positioning real-time performance and low in precision. The method of the system comprisesthe following steps: acquiring a binocular vision image pair at a moment t; preprocessing the image pair, and matching two images in the preprocessed image pair through a binocular stereo matching algorithm to obtain three-dimensional point cloud data; clustering the three-dimensional point cloud data to obtain a candidate region of the to-be-positioned target; for each candidate region, obtaining a first matching degree and a second matching degree through a template matching algorithm and a preset first method; and if the first matching degree of each candidate region is greater than a setfirst threshold and the second matching degree is less than a set second threshold, taking the candidate region as a target region of the to-be-positioned target. According to the invention, the real-time performance and precision of target tracking and positioning are improved.

The invention relates to a ZigBee protocol-based onboard control console capable of being integrated into a mining car, which belongs to the technical field of the wireless communication network. The ZigBee protocol-based onboard control console comprises an onboard computer, an onboard control console, and a road marker, wherein the onboard computer and the onboard control console communicate with each other through a UART protocol, and the onboard control console and the road marker communicate with each other through a wireless ZigBee protocol. The invention has the advantages of flexible ID address assignment, soft system restarting, accurate location, low cost, long-distance antenna coverage, flexible transmission rate, high security, low power consumption, high network capacity, high emission power and high sensitivity. Due to the integrated design, the degree of integration of the invention is high. Moreover, as a result of the design with double antenna interfaces, i.e. a USB interface and a UART interface, the invention has high interface flexibility.

The invention discloses a video image relay playing method, system and device. The video image relay playing method comprises the steps of acquiring video image data in rotation of first video equipment; positioning and recognizing an object appeared in the video image data according to an azimuth angle of the rotation and a pre-established three-dimensional coordinate system, wherein the three-dimensional coordinate system is established in a mode of collecting image data of the first video equipment within a field-of-view range of 360 degrees at a reference position and taking the first video equipment as a center; and when a concerned target object is judged to appear in the video images, acquiring and playing video images of second video equipment within a specified range around the concerned target object. According to the invention, relay playing of the video images can be realized quickly and effectively, so that the continuity and non-interruption of the video images are ensured, and the target object is effectively tracked.

The invention belongs to application of the computer technology, the mobile communication technology and the automation technology to daily police services of streets and districts and particularly relates to a multifunctional police service and bank service kiosk. The multifunctional police service and bank service kiosk has the advantages that the multifunctional police service and bank service kiosk combines a police service area and a bank self-service area, defects of police force shortage and poor police work environments are overcome, the defect that an existing bank self-service area is poor in public security environment and does not have a police service linkage criminal case cracking function is overcome, monitoring and processing of the safety, burglary prevention, fire prevention, pet prevention, business processing time, emergencies and the like of the police service and bank service kiosk are achieved by arranging a safety intelligent control system in the police service and bank service kiosk, bank-community linkage is achieved, and convenience is brought to community people during business processing; bank-police service linkage is achieved, and the possibility that police captures criminals through an economic chain is provided; police service-community linkage is achieved, a good development platform is provided for the public security environment of the community, and both comprehensive treatment and development are achieved.

The embodiment of the invention discloses a moving target body surface temperature rapid detection method and system based on a thermal infrared video. The method comprises the following steps: dynamically scanning a detection line, and carrying out temperature scanning on a moving target on a left line and a right line of a detection frame based on each frame of thermal infrared image in a thermal infrared video; determining the position of the left line, the position of the right line and the optimal step length between the offline line and the dynamic scanning detection line according to the temperature scanning result, and determining the position of the offline line according to the optimal step length; adaptively changing the detection frame according to the position of the left line, the position of the right line and the position of the lower line so as to carry out the positioning tracking of the target region of the moving target through the detection frame; and determining the body surface temperature of the moving target according to the temperature of the target position in the target area. According to the embodiment of the invention, the target area can be quickly tracked, the body surface temperature can be accurately detected, and a basis can be provided for daily body temperature monitoring, disease early warning and health evaluation.

The invention relates to the technical field of positioning, and concretely relates to a method and a device for tracking and positioning an iron-clad locomotive. The method comprises the following steps: positioning the position of the iron-clad locomotive through a GNSS antenna when the iron-clad locomotive runs to a railway transportation region, and obtaining a first positioning coordinate; displaying the first positioning coordinate through a tracking display interface map; acquiring a first screen coordinate and a second screen coordinate of the two ends of a target induction magnetic ruler on the tracking display interface map respectively when the iron-clad locomotive runs to the target induction magnetic ruler; obtaining the scanning length of the induction magnetic scale reader on the target induction magnetic scale; based on the first screen coordinate, the second screen coordinate, the scanning length and the actual length, determining a third screen coordinate of the ladlecar on the tracking display interface map; and displaying the coordinates of the third screen on a tracking display interface map to realize accurate positioning of the ladle car and provide a basisfor product quality tracing.

The present invention relates to a method for judging the coplanarity between a two-dimensional ultrasonic image and a puncture needle. A hand-held ultrasonic probe scans the puncture needle in the tissue, and saves the ultrasonic image of the puncture needle in the tissue. It is characterized in that: step 1: extracting the imaging area on the ultrasonic image, Convert the color image to a grayscale image, and convert it into a binary image after threshold transformation; Step 2: Perform edge detection on the binary image obtained in Step 1, and determine the straight line where the puncture needle is located through Radon transformation; Step 3: Locate the puncture needle The position of the needle tip; step 4: determine whether the puncture needle is located in the imaging plane by judging whether the gray value of the intersection point of the straight line where the puncture needle is located and the boundary of the ultrasound imaging area is greater than a certain threshold.

The invention discloses an immersive man-machine environment interactive positioning measurement method, comprising the following steps: (1) building a portable measuring helmet; (2) measuring the spatial position of a to-be-measured target point; (3) determining the spatial pose of the measuring helmet; (4) unifying the coordinates to a global coordinate system; and (5) displaying measurement information. The method of the invention has good portability, and can help free the hands of measurement personnel. The method ensures excellent coordination with other operations especially in industrial large-scale assembly and detection, enhances the flexibility of measurement, and facilitates smooth conduction of measurement tasks in a complex environment. Moreover, measurement personnel can acquire measurement information in real time, and the man-machine interaction experience is good. Measurement personnel can immerse themselves in measurement objects and measurement scenes. The efficiency of measurement in an industrial field can be improved.

The invention discloses a handheld controller, and a tracking and positioning method and system. The handheld controller includes a handle and a bracket. The handle includes an input device for receiving an input operation of a user. The bracket is connected to the handle, and the outer surface of the bracket has an identification pattern. In the tracking and positioning method, an imaging deviceacquires an image of an identification pattern; and a terminal device performs tracking and positioning on the handheld controller according to the identification pattern. The tracking and positioningmethod and system can realize tracking and positioning of the handheld controller by setting the identification pattern on the handheld controller. Compared with the prior art, the tracking and positioning method and system do not need to accurately control the frequency of strob of light spots, are simpler in the structure, and are lower in the cost. In addition, the tracking and positioning method and system can further reduce the control demand for the imaging device, and do not need to specifically adjust parameters of the imaging device to match tracking and positioning of the active illumination handheld controller.

The invention discloses a tourism geographical information system, and relates to the field of tourism management. The tourism geographical information system comprises a child lost prevention sub-system, a monitoring platform, a mobile terminal device and a real-time old man monitoring sub-system; the mobile path of a child within a predetermined lost time period can be obtained through the childlost prevention sub-system and the monitoring platform; the mobile path is displayed on a display; therefore, tracking and positioning of the child can be realized; occurrence of safety accidents isprevented; due to matched use with the mobile terminal device in the monitoring platform, a tourist disabled in hearing or vision can know scenic area culture in real time in a manner of playing briefintroduction of scenic spots corresponding to scenic spot identifiers through a voice explanation module; the real-time old man monitoring sub-system monitors the health condition of the old man in real time, and responds to a first-aid request in time; the tourism safety of the old man is ensured; tourism is relatively safe; and thus, safe tourism services for special crowds can be carried out in all directions through the system disclosed by the invention.

The invention discloses a workpiece position tracking positioning method, comprising steps of defining a plurality of monitoring areas in the workshop and arranging cameras in the monitoring areas, transmitting video images collected by the camera to the computer and performing moving object identification, choosing a scanning area corresponding to the read-write distance of an ultra-high frequency RFID reader-writer in each monitoring area according to the read-write distance of the ultra-high frequency RFID reader-writer, determining the position information and the processing state of the workpiece and uploading the obtained information to an MES production management system. The invention can provide the state information like the reliable workpiece position, processing procedur, etc., uploads the collected data to the workshop MES production management system, replaces the traditional artificial operation, and effectively improves the efficiency of the industrial production management.