330 results about "Location detection" patented technology

The invention provides a multi-source information fusion unmanned aerial vehicle marine target tracking method and system, and relates to the technical field of data processing, and the method comprises the steps: obtaining image data, and extracting the features of a target region; unmanned aerial vehicle attitude data, radar position detection data and AIS identification data are obtained, attitude disturbance correction is executed, and time axis alignment is performed on the data; calculating the visual feature matching offset of the adjacent frames, and comparing the visual feature matching offset with the radar azimuth change trend; constructing a candidate target spatial position set, and executing distance convergence screening and spatial overlapping constraint processing of a geometric projection range on the candidate target spatial position set; motion direction continuity comparison is executed, and target position data is generated; generating a track control instruction for controlling the flight direction and speed of the unmanned aerial vehicle according to the target position data, and adjusting the subsequent flight path of the unmanned aerial vehicle according to the track control instruction; according to the invention, autonomy and accuracy of unmanned aerial vehicle marine target tracking are improved.

A method comprises registering, by an application executing at a computer system in an inventory system, a tag identifier received from a tag in an inventory environment with location data indicating a location of the tag based on an audio attribute of an audio signal received from the tag, initiating, by the application, a scan of the tag to obtain tag data from the tag and to receive the audio signals from the tag by transmitting a signal to the tag after registering the tag identifier with the location data of the tag, and triggering, by the application, activation of an audio emitting device of the tag to emit an alert signal indicating whether a reader device is in a read range of the tag.

The invention discloses a part relative position detection method and system under three-axis movement and a medium, and relates to the technical field of position detection, and the method comprises the steps: carrying out the scanning of a target part, obtaining three-dimensional point cloud data, carrying out the region segmentation recognition, carrying out the clustering analysis, obtaining a point cloud cluster of a plurality of feature points, carrying out the global fitting, and determining a plurality of feature space coordinates; constructing a part local coordinate system, mapping the plurality of feature space coordinates to the part local coordinate system for position calculation, and obtaining a plurality of feature relative position relation diagrams; traversing a plurality of feature relative position relation graphs to perform deviation marking, obtaining a plurality of out-of-tolerance items, performing binding storage on the out-of-tolerance items and a target part, constructing a position detection anomaly database, performing position deviation training, and constructing a position deviation prediction channel to perform feedback optimization on a detection path. The technical problems that in the prior art, part relative position detection precision is insufficient, and efficiency is low are solved, and the technical effect of improving part relative position detection precision and detection efficiency is achieved.

A method comprises registering, by an application, a tag identifier received from a tag in an inventory environment with location data indicating a location of the tag based on a visual attribute of the tag, initiating, by the application, a scan of the tag to obtain tag data from the tag and to capture an image depicting the tag by transmitting a signal to the tag after registering the tag identifier with the location data of the tag, and triggering, by the application, activation of a light emitting diode (LED) on the tag to indicate whether a reader device is in a read range of the tag, in which a visual feature of the LED indicates whether the reader device is in the read range of the tag, and wherein the signal is used to activate the LED on the tag.

The invention discloses a ground equipment oil leakage hidden danger identification method and system, and the method comprises the steps: collecting the ground surface reflected light brightness data of a ground region of target equipment through a satellite multispectral channel, recognizing a suspected oil leakage region according to the ground surface reflected light brightness data, and extracting the position coordinates and boundary range of the suspected oil leakage region; the unmanned aerial vehicle detects the organic matter concentration of the suspected oil leakage area one by one according to the inspection flight route, determines concentration distribution data, identifies an abnormal concentration standard-exceeding area according to the concentration distribution data, and generates an abnormal concentration distribution area map corresponding to the abnormal concentration standard-exceeding area; and comparing and matching the suspected oil leakage region with the concentration anomaly region map, determining a comprehensive matching degree score about the position overlapping degree and the boundary consistency, comprehensively evaluating the suspected oil leakage region and the concentration anomaly exceeding region, and determining an actual oil leakage region, thereby improving the recognition efficiency and reliability of the oil leakage hidden danger.

The invention provides an underground cable position detection method and system based on a ground penetrating radar, relates to the technical field of ground penetrating radar imaging, and provides a fast search method of an optimal migration speed combined with F-FK, which does not need to traverse all speed values in a scanning interval, and only needs to determine a small number of key search points based on a specific sequence. The search interval is dynamically reduced by comparing the information entropy values of the search points, the number of times of calculation of the imaging entropy values is greatly reduced, and the cable data processing efficiency is greatly improved; secondly, the algorithm does not need a fixed scanning interval, the search point determined through the golden section proportion can adaptively focus the optimal speed area, even if the cable penetrates through the concrete-wet soil mixed medium section, the speed sudden change point can be accurately captured, the problem that the real speed is missed at the fixed interval is avoided, and finally, the algorithm is high in convergence speed and high in accuracy. Compared with a traditional method, the processing time of GPR data of a long measuring line and a high-density sampled cable is greatly shortened, and the method can be applied to emergency troubleshooting.

The invention discloses a position detection system and method of a jet structure and an engine. The position detection system comprises an image acquisition assembly and a prism assembly. Wherein the image acquisition assembly is located in the spraying direction of the spraying structure and is fixed; and the prism assembly is fixed in the mounting cavity, is arranged corresponding to the spraying section of the spraying structure, and is at least used for projecting the spraying section onto the image acquisition surface of the image acquisition assembly. According to the invention, the prism assembly can be utilized to refract an image on the side surface of the jet structure to the horizontal direction, and then the image acquisition assembly is utilized to shoot so as to obtain two two-dimensional projection images in the vertical direction at the same time; and the angle deviation and the translation amount of the part are calculated through image analysis, and the three-dimensional space coordinates of the point to be measured are finally synthesized based on the reference coordinates, so that the injection point position of the oil nozzle is obtained outside the mounting cavity by using a camera and a controller.

A control method for a mobile device, and a related device. The method comprises: controlling a mobile device to move along a preset path; when the mobile device moves to a location at which a satellite positioning signal does not meet a preset condition, controlling the mobile device to continue moving along the preset path for first mileage or a first duration; after the mobile device continues moving along the preset path for the first mileage or the first duration, if it is detected that the satellite positioning signal does not meet the preset condition, controlling the mobile device to stop moving, collecting an environmental image in at least one direction by means of a camera, and identifying a target object by means of the environmental image, wherein the target object belongs to a preset object or sky region; and controlling the mobile device to move toward the target object, such that the mobile device detects at a location after movement that the satellite positioning signal meets the preset condition.

To provide a position measurement device, a position measurement method, and a position measurement program, in which position detection accuracy can be improved when a sensor measures an object in a non-contact mode from above the object.SOLUTION: A position measurement device 1, a position measurement method, and a position measurement program use a controller 10 into which data are inputted from a sensor 50 for measuring an object in a non-contact mode from above the object. The sensor 50 has a primary scanning direction in which measurement points are aligned with a prescribed spacing when measuring the object and a sub-scanning direction in which measurement points are aligned with a wider spacing than the spacing in the primary scanning direction. The controller 10 acquires data on target measurement points within a detection target part from among measurement points spreading across the horizontal plane of a maker which has a reference point on a straight line suspended vertically from the sensor 50. The controller also calculates the attitude of the sensor 50 toward the reference point on the basis of the spacing distances.SELECTED DRAWING: Figure 1

This application discloses a method, apparatus, device, and storage medium for object reconstruction, belonging to the field of 3D reconstruction technology. The method includes: when a terminal detects a target object, performing feature position detection on the target object to obtain feature information; if feature information is detected, scanning a local area around the target object to obtain first scan information; and establishing a 3D model of the target object based on the first scan information. After detecting the target object to be modeled, this application first determines whether the target object has feature information through feature position detection. If the target object has feature information, a 3D model of the target object is then established based on the first scan information. Therefore, the 3D model established in this embodiment closely matches the actual shape of the target object, has high accuracy, and achieves good object reconstruction results.

To provide a technology that optimizes the balance between positioning accuracy and power consumption in monitored devices, thereby efficiently acquiring highly accurate location information while improving battery life. [Solution] The monitored terminal includes a first positioning unit 11 that measures position with low power consumption, a second positioning unit 12 that measures position with high accuracy, a positioning switching unit 13 that controls the operation of the second positioning unit 12 according to the error in the position obtained by the first positioning unit 11, and a transmission unit 14 that transmits at least one of the acquired positions to the server.

The present application relates to the technical field of offset adjustment, and particularly relates to a self-learning belt offset adjustment method, device, equipment and storage medium, the method forms a self-learning closed loop of detection, adjustment, feedback and optimization through a complete process of real-time position detection, motor adjustment, reference compensation amount calculation, standard position optimization and positioning instruction generation; after each offset adjustment, not only is the current deviation corrected, but also adjustment experience is accumulated by updating and optimizing the standard position, so that subsequent adjustment is more in line with the actual running state of the belt; that is, the standard position is gradually corrected by the reference compensation amount, so as to ensure that the reference value is always matched with the current belt state, and the problem that a fixed reference value cannot adapt to slow time-varying characteristics is solved; and the self-learning mechanism replaces the traditional mode of relying on artificial preset parameters, reduces the dependence on fixed parameters, improves the intelligent level and anti-interference ability of belt offset adjustment, and is particularly suitable for dynamic interference adaptation in a high-speed running scene.

The present disclosure provides a wafer position calibration system and method, and a wafer detection device. The wafer position calibration system comprises a position detection unit configured to detect actual position information of a wafer on a stage; a level detection unit configured to perform level detection on the stage; a wafer calibration unit configured to calibrate the position of the wafer; and a control unit configured to determine whether the current position of the wafer is within a position offset threshold according to the actual position information and preset target position information, and when the current position of the wafer is not within the position offset threshold, control the level detection unit to perform level detection on the stage and determine whether the level of the stage is within a level deviation threshold; and when the level of the stage is within the level deviation threshold, control the wafer calibration unit to calibrate the position of the wafer to move the wafer to the target position. The wafer position calibration system and method, and the wafer detection device provided by the present disclosure can automatically calibrate the position of the wafer.

A method of creating training data for model training is provided. The method includes: receiving image data including at least one fashion item; performing location box labeling on an item location box which indicates a location of an item included in the image data by using an item location detection model; calculating a location box labeling result value and a location box labeling confidence value; receiving a user's location box review value for the location box labeling result value; determining a location noise value of the location box review value by using the item location detection model; and determining the location box review value as location box training data if the location noise value meets a predetermined first criterion.

This invention aims to provide a fault location detection circuit for arcing and leakage current, capable of accurately locating faulty sections, compatible with AC / DC systems, and dynamically expanding detection nodes according to actual needs to meet the electrical safety detection requirements of different application scenarios. This invention includes a current loop comprising several electrical components connected in series. Current acquisition modules are installed at the beginning and end of the current loop, as well as at the connection points of adjacent electrical components. The current acquisition modules are connected to a control module, which in turn is connected to an alarm output module. The control module calculates the current difference between adjacent nodes and compares it with a dynamic threshold. The alarm output module triggers an alarm or disconnects the faulty circuit. This invention applies to the technical field of electrical safety detection.

The application provides a vehicle detection method and a vehicle detection system, and is suitable for the technical field of intelligent traffic. The method comprises the following steps: when a vehicle enters a detection area of a lane, acquiring the position information of the vehicle in real time through a position detection device; determining the identification area where the vehicle is currently located according to the position information of the vehicle, and taking the identification area as a target identification area; sending a snapshot signal to a shooting device, so that the shooting device takes a snapshot of the vehicle in the target identification area to obtain a target image, and performs license plate recognition based on the target image. Through the embodiment of the application, the shooting device can take a snapshot in real time and acquire the license plate information of the vehicle in the current target identification area, so as to solve the problem of license plate mis-detection or missed detection caused by the front vehicle shielding the rear vehicle and the simultaneous appearance of multiple vehicle license plate information in the same identification area.

The invention discloses a non-contact iron object positioning detection and marking system, which is particularly suitable for a building template embedded nut positioning scene. The system transmits an alternating magnetic field through the electromagnetic induction module to penetrate through a non-metal obstacle (such as a wood board), detects an eddy current effect generated by an iron object (such as a pre-embedded nut) and outputs a 0-10V voltage signal; the central processing unit locks the geometric center position of the object according to the minimum voltage value, and realizes multi-mode feedback through visual color circle zooming, buzzing frequency change and threshold alarm; and after the user triggers the marking key, the execution module automatically performs annular mark marking at the position of the central point. According to the scheme, the problems of penetrability accurate positioning and automatic marking of hidden iron objects are solved, and the construction efficiency and safety are remarkably improved.

Techniques and apparatuses are described that implement hand-grip location detection using ultrasound. In particular, an ultrasonic sensor determines a location that a user's hand grips a user device. While gripping the user device, the hand creates an additional aperture area, which amplifies ultrasonic signals that are received by one or more transducers of the ultrasonic sensor that are proximate to the user's hand. By analyzing the amplitude (or power) of received ultrasonic signals, the ultrasonic sensor can detect if the user's hand is proximate to a particular transducer. In some implementations, the ultrasonic sensor utilizes speakers and / or microphones that are present within the user device. In this way, the ultrasonic sensor can have a relatively small footprint and fit within space-constrained devices.

The application relates to a target positioning method, device, system, computer equipment and a storage medium. The target positioning method comprises the following steps: acquiring first position detection information of a target to be positioned in a target space collected by a first device, determining a first detection result of the target to be positioned based on the first position detection information; acquiring a calibration area of the target space; the calibration area is determined based on second position detection information collected by a second device in the target space; and the first detection result of the target to be positioned is subjected to calibration processing based on the calibration area, so as to obtain a target position of the target to be positioned in the target space. The method can improve positioning accuracy.

The present invention relates to a surgical 3D marker element (1) having a surface (2) on or within which a two-dimensional optical pattern (4) for spatial position detection of a medical product (100) is permanently incorporated or applied. The optical pattern (4) takes the form of an M-row and N-column matrix (6) having corresponding pattern elements (8) as pattern fields (8), and the optical pattern (4) has at least four pattern elements (10), of which at least two pattern elements (10) are designed to be different in order to provide an optical reference for position detection of the 3D marker element (1) via an optical tracking system (500). The present invention also relates to a medical product (100), a tracking system (500), a position detection method, a computer-readable storage medium, and a computer program according to the related claims.

The utility model provides a viewing device, which comprises a support assembly, an MR observer and a spatial position detection assembly, and is characterized in that the MR observer is assembled on the support assembly and comprises a visual angle display assembly and a manipulation interaction assembly; the spatial position detection assembly is assembled on the supporting assembly and used for detecting the movement track of the MR observer. Thus, the MR observer helps to improve the use comfort and viewing experience of the user, for example, the user can watch the scene in front of the eyes through the viewing angle display assembly of the MR observer and deeply understand the culture and ecology of the scene, and the MR observer also helps to improve the immersion experience of the user, for example, the user can perform real-time interaction by manipulating the interaction assembly, so that the user experience is improved. And the participation sense and immersion sense of the user can be enhanced, so that the user can obtain more real and interactive visual enjoyment in the use process. And the spatial position detection component is beneficial to improving the spatial positioning precision of the equipment, so that more accurate virtual reality or augmented reality experience is provided.

A location detection device includes a sensor and a sensor controller arranged to overlap with the display device. The sensor includes detection electrodes configured to detect an alternating magnetic field. The controller, in operation, detects a location of an electromagnetic induction pen, based on a third alternating current generated by using both a first alternating current output from a first detection electrode located proximate one end of the plurality of detection electrodes in the first direction and a second alternating current output from a second detection electrode located on an opposite side of a center of the panel surface in the first direction from the first detection electrode. Noise derived from a gate line and superposed on the first alternating current of the first detection electrode is canceled by the noise derived from the gate line and superposed on the second alternating current of the second detection electrode.

The invention relates to the field of cargo positioning and tracking, in particular to an international logistics transportation positioning and tracking method, device and equipment and a storage medium. The method comprises the following steps: scanning an RFID identifier of a to-be-transported cargo, carrying out digital binding on the to-be-transported cargo and a carrying carrier, and positioning a transportation starting coordinate point of the cargo; continuously detecting a satellite positioning signal of the carrying vehicle; performing time sequence tracking based on the transportation starting coordinate point and the satellite positioning signal, and constructing a real-time tracking trajectory; calculating a low signal intensity time length of the real-time tracking trajectory to obtain a time interval; performing credible coordinate prediction updating on the real-time tracking trajectory according to the time interval to generate a credible tracking trajectory; and carrying out position detection based on the credible tracking trajectory, and carrying out cross-time zone time alignment and cargo confirmation processing when it is detected that the cargo enters the transfer node. According to the invention, continuous and accurate positioning and tracking of cargo positions in a cross-time-zone and multi-node transportation scene are realized.

The present invention is a method of detecting and counting a geological constituent (cge) of an acquired image of a rock sample (IER), by a location detection machine learning method (ALG).

The invention relates to the technical field of automatic production, and provides a product machining system and method.The product machining system comprises a position detection device, at least one product machining device and conveying devices in one-to-one correspondence with the product machining devices; the position detection device is used for acquiring a product identifier of a target product located on a first station and a position deviation of an actual coordinate position of the target product relative to a reference coordinate position, and uploading the product identifier and the position deviation to the server for binding storage; the transportation device is used for transporting the target product to a second station of the corresponding product processing device; and the product processing device is used for acquiring the product identifier of the target product located on the corresponding second station, acquiring the bound position deviation from the server according to the product identifier, performing position compensation according to the position deviation, and then processing the target product. And the cost of a product processing system can be reduced.

The present disclosure relates to a sensor device calibration method, device, storage medium and electronic device. The sensor device calibration method comprises: performing position detection based on image information of each target calibration plate to obtain first position information of each target calibration plate in a first coordinate system, the first coordinate system being a three-dimensional coordinate system corresponding to a first sensing device; performing fitting based on point cloud data of each target calibration plate to obtain second position information of each target calibration plate in a second coordinate system, the second coordinate system being a three-dimensional coordinate system corresponding to a second sensing device, the second position information being obtained based on position calibration of edge information of the calibration plate fitted based on the point cloud data and plane information of the calibration plate fitted based on the point cloud data; and performing coordinate system conversion processing based on the first position information and the second position information of each target calibration plate in a plurality of calibration plates to obtain target conversion parameters between the two coordinate systems. The present disclosure can improve the efficiency and robustness of sensor device calibration.

To provide a battery management system using a small, inexpensive battery station that can be introduced and operated even in small stores. [Solution] The battery has a location detection unit that detects the location of the battery using a location information detection function, and a remaining charge detection unit that detects the remaining charge of the battery. The battery transmits the location information of the battery and remaining charge information indicating the remaining charge to a server using a wireless communication function. The power connector unit controls the power supply for charging the battery based on instructions transmitted from the server, and transmits to the server the location information of the power connector unit and supplied power information indicating the amount of power supplied for charging the battery. The server outputs the battery's location information and remaining charge information in association with each other based on the information transmitted from the battery.

The embodiment of the invention discloses a large-diameter foundation bolt installation detection method and device. A specific implementation mode of the method comprises the following steps: controlling a camera assembly to collect a foundation bolt image data set; according to the foundation bolt image data set, a foundation bolt quality detection result is generated; in response to determining that the quality detection result meets a preset quality detection condition, controlling the laser radar assembly to collect a point cloud data set; performing foundation bolt identification on the point cloud data set to generate foundation bolt point cloud data and obtain a foundation bolt point cloud data set; performing position detection on each piece of foundation bolt point cloud data in the foundation bolt point cloud data set to obtain a position detection result; and in response to determining that the position detection result does not meet the preset position condition, sending alarm information to the target terminal. According to the implementation mode, the accuracy and safety of foundation bolt installation are improved.

The present invention relates to a vehicle, the location of which is tracked by a user terminal in an emergency situation, comprising: a control unit; a BLE module for communicating with a BLE module of the user terminal; and a UWB module for communicating with a UWB module of the user terminal, wherein, when a condition for switching the vehicle to an emergency rescue mode is satisfied, the control unit switches the vehicle from a normal mode to the emergency rescue mode, controls the BLE module to release BLE security, and controls the UWB module to transmit location information of the vehicle to the UWB module of the user terminal.

To provide a method and an apparatus for detecting the position of a wasp with high accuracy.SOLUTION: A method for detecting a wasp includes collecting an environmental sound in front of a directional microphone by using the directional microphone, performing a frequency analysis on the environmental sound to identify, from the environmental sound, a magnitude of a sound of a fundamental frequency derived from a movement of a wing of a wasp, magnitudes of harmonics of the fundamental frequency, and a high-frequency noise, and determining whether each of the sound of the fundamental frequency, the sounds of the harmonics, and the high-frequency noise is greater than a predetermined threshold. The hornet detection device includes a sound collection means, a determination means, and an output means.SELECTED DRAWING: Figure 11