31results about How to "Accurately obtain location information" patented technology

The invention relates to a vision-based dynamic target tracking and positioning method for an unmanned aerial vehicle. According to the method, two cameras are utilized to collect the image of a monitoring area; by means of background dynamic update and target object extraction of the monitoring area, the three-dimensional point cloud of a visual angle area is generated through using a binocular recognition and positioning principle; and a target object is dynamically tracked on the basis of the target object extraction and the binocular recognition and positioning principle. According to thevision-based dynamic target tracking and positioning method for the unmanned aerial vehicle of the invention, visual ranging and target tracking are combined in the video monitoring field; the pixel coordinates of an image where the target is located are determined through target dynamic tracking; the three-dimensional point cloud is generated on the basis of the visual ranging; the target objectis locked, and the three-dimensional coordinates of the target object are determined; when the target object enters a warning area, a system can issue an alarm to achieve a real-time warning function;the captured position information of the target object provides a scientific basis for the actual operation of background staff.

The invention discloses a handset intelligent guide method and system based on the NFC technology, comprising a handset APP, a handset with NFC, NFC labels, and a server. The NFC labels are installed on each scenic spot sign in a scenic region to cover all scenic spots in the scenic region; the server stores guide voice packets and scenic spot ads of corresponding scenic spots for downloading by users; the handset with NFC and the NFC labels perform near field communication to obtain corresponding position information and start corresponding scenic spot voice guide service. The voice packets can be downloaded from the server through the network, and also can be downloaded at downloading points in a scenic region. The system can be applied to scenic regions, and meanwhile can be applied to venues with visiting demands. The method and system make up for the deficiency of artificial guide, are suitable for the development tendency of network times, and play a significant role in the tourist industry.

The invention relates to an intelligent switching indoor and outdoor seamless positioning system. The system comprises terminal equipment, a positioning system and an information processing system, wherein the terminal equipment comprises a satellite signal receiving device and a UWB signal transmitting device, the satellite signal receiving device is used for receiving satellite signals to realize outdoor positioning, and the UWB signal transmitting device is used for transmitting UWB signals to realize indoor positioning; the positioning system selects a positioning mode according to a received positioning signal sent by the terminal equipment; and the information processing system analyzes the positioning signal according to the selected positioning mode to obtain the position information of the terminal equipment. According to the invention, the indoor and outdoor precise positioning can be realized, effective seamless intelligent switching can be realized at the indoor and outdoorjunction, and the positioning precision is improved.

The invention discloses a ray irradiation rig and safety detection equipment. The ray irradiating rid comprises a ray source, a shielding shell, a grating ruler and a control unit; the ray source is used for providing rays; the shielding shell is used for accommodating a cavity for the ray source and an opening communicated with the cavity to enable the ray to be irradiated outwards through the opening; the grating ruler is used for acquiring position information of the ray source; the control unit is used for controlling the ray source to move from a first position or a second position; the first position is where the ray is irradiated outwards through the opening; the second position is where the ray cannot be irradiated outwards through the opening. By the arrangement, the ray with high frequency can be irrigated, impact produced by irradiating of the ray on the shielding shell can be reduced, irradiating dose is reduced, and meanwhile, irradiation protection difficulty is lowered.

The invention discloses a fire detection search and rescue system and method based on millimeter waves. The system comprises an environment acquisition device, a millimeter wave detector, a wireless transmitter and a monitoring terminal. The environment acquisition device is used for sending the acquired environment information to the wireless transmitter; the millimeter wave detector is used forcarrying out all-weather scanning on the environment to be detected so as to obtain characteristics and position information of a life body in the environment to be detected, and sending the characteristics and the position information of the life body to the wireless transmitter; the wireless transmitter reports all the collected information to the monitoring terminal through millimeter waves sothat the monitoring terminal stores the characteristics and position information of the life body; the monitoring terminal searches and rescues the life body based on the change by continuously comparing the change of the life body characteristics and the position information detected by the millimeter waves before and when the fire occurs. According to the system, accurate technical support can be provided in case of a fire, so that firefighters can accurately and quickly rescue trapped persons.

The invention relates to a compressor muffler and mounting support welding device. The compressor muffler and mounting support welding device comprises a welding position acquisition device, a first moving mechanism, a second moving mechanism, a first welding gun and a second welding gun, wherein the welding position acquisition device is used for acquiring first position information of a position where the sidewall of a compressor muffler contacts with a first side plate of the mounting support as well as second position information of a position where the sidewall of the compressor muffler contacts with a second side plate of the mounting support, the first moving mechanism is used for moving the first welding gun to the position where the sidewall of the compressor muffler contacts with the first side plate according to the first position information, and the second moving mechanism is used for moving the second welding gun to the position where the sidewall of the compressor muffler contacts with the second side plate according to the second position information. The compressor muffler and mounting support welding device can be used for welding the compressor muffler with the mounting support without manual holding of the welding guns, so that working efficiency can be improved, labor cost is reduced and working personnel can be protected from suffering from light pollution during welding.

The invention provides an automobile anti-theft system, consisting of an STM32F103VET6 microprocessor, an XN934 GPS receiver, a LORA transmission module, a pyroelectric infrared sensor, an ultrasonicsensor, an ADXL345 tilt acceleration sensor, a relay circuit, a voice module and a voltage stabilization power supply. The main functions of the system are: 1) many kinds of sensors are used to monitor the status of the vehicle in real time and transmit the information to the STM32F103VET6 microprocessor. The microprocessor judges whether the vehicle has illegal intrusion or not according to thesedata, and starts the voice alarm as soon as there is an abnormality, cuts off the vehicle power supply and notifies the vehicle owner; 2) The XN934 GPS receiver is placed outside the vehicle window to help obtain the position information of the vehicle accurately; 3) the LORA module is used to realize the long-distance wireless communication to inform the vehicle owner of the real-time status information and position information of the vehicle, so that the vehicle owner can realize the remote real-time grasp of the status of the vehicle.

A dynamic tracking and measurement positioning method for a target object, which uses two cameras to collect images of a monitoring area, dynamically updates the background of the monitoring area and extracts the target object, and uses the principle of binocular recognition and positioning to generate a three-dimensional point cloud of the viewing angle area; combined with the target object Extraction and binocular recognition positioning principle, dynamic tracking and positioning of target objects. The present invention combines visual ranging and target tracking in the field of video surveillance, determines the pixel coordinates of the image where the target is located through dynamic tracking of the target, combines the three-dimensional point cloud generated by visual ranging, locks the target object, and determines its three-dimensional coordinates. When the target object enters the warning area, the system can issue an alarm to achieve the purpose of real-time early warning; the captured position information of the target object provides a scientific basis for the actual manipulation of the background staff.

The invention discloses a wireless data transmission based long distance pipeline cathode protection measurement and control method which comprises the following steps: a satellite positioning telegraph text is received through a satellite positioning module to determine a position where a cathode protection measurement and control device is located; a wireless communication module transmits measured data of the measurement and control device, the position where the measurement and control device is located and an equipment number together to a monitor center through a public network platform; and the monitor center issues a control command and parameters to a measurement terminal through the public network platform. The method also involves a long distance pipeline cathode protection test system, a satellite, a cathode protection measurement and control terminal and the monitor center. The method can be used to monitor protection parameters of a pipeline in real time, is high in real-time performance, can be matched with a command and control center, is convenient and rapid to use, and can realize the functions of economic, effective and real-time long distance pipeline cathode protection measurement and control.

The invention belongs to the technical field of intelligent manufacturing and resources and environment, and discloses a ward cruising nursing system and a cruising nursing method. The ward cruising nursing system includes a cruising system arranged at a ward and a nursing system matching the cruising system; the cruising system includes a cruising track arranged at the ward, and a cruising device is arranged in the cruising track; the nursing system includes a trolley track arranged on the ground of the ward, and further includes a nursing trolley matching the trolley track; the initial points and end points of the cruising track and the trolley are arranged in an equipment room; the nursing trolley is provided with a drug delivery device and a waste recycling device; the cruising device achieves real-time communication through a communication module and the nursing trolley; the communication module is also connected to a data processing module and a human computer interaction module, and the human computer interaction module can observe the information fed back by the cruising device in real time. Problems in the prior art of large manual cruising intensity, high frequency, untimely information acquisition and slow emergency response speed can be solved.

The invention provides an input object identification device and method, and a device with an RFID label. The input object identification device comprises an RFID card reader matrix which comprises a plurality of RFID card reader modules, and is configured to sense an input object provided with an RFID label so as to read the ID code of the input object; a touch panel located on the RFID card reader matrix, and configured to sense the input object; and a control module coupled to the touch panel and the RFID card reader matrix, and used for determining the position information of the input object. According to the invention, the combination and interaction between an object and a multimedia virtual scene can be realized.

The invention relates to the technical field of detection, and especially relates to an airfield pavement inspection method, system and platform, and a storage medium. Airport view field range point cloud data is formed by transmitting and receiving laser; clustering analysis is carried out on the point cloud data, and real-time spatial fusion is carried out according to clustering analysis data;and airfield pavement real condition information is generated. The real-time three-dimensional point cloud data of a flight area can be detected and generated in real time, pavement defects and foreign matters are intelligently screened out, the airport management personnel can be reminded of defects or foreign matter positions and detailed information of the defects or the foreign matter positions in real time after the positioning information is fused, and the operation personnel are guided to go to process, so the operation efficiency of the airport management personnel can be greatly improved; and the system has the advantages of being simple in structure, convenient to operate, low in cost and the like and can be widely applied to various airports.

The invention discloses a laser spot positioning method applied to security monitoring, and the method comprises the steps: enabling a laser spot to fall at the center of a video image through adjusting a mounting distance, determining the physical position of laser equipment, fixing the physical position, and obtaining a first laser spot image; enabling the laser spot to deviate from the center of the video picture through calibration laser equipment, and obtaining a calibration distance and a second laser spot image; determining a pixel deviation value according to the first laser spot image and the second laser spot image; determining a horizontal pixel compensation coefficient kx and a vertical direction compensation coefficient of a to-be-measured laser spot through the mounting distance and the laser ranging distance D3, and further obtaining spot coordinates of the to-be-measured laser spot on the video picture under the condition of one magnification; converting the spot coordinate into a horizontal direction angle and a vertical direction angle of a camera corresponding to the to-be-measured laser spot at one magnification; and according to the horizontal direction angle and the vertical direction angle, acquiring a light spot coordinate of the to-be-measured laser spot on the video picture under any multiplying power. According to the invention, the position information of the laser spot in the video picture can be accurately obtained on the basis of existing video security and protection monitoring, the positioning precision of the laser spot is improved, and the automation degree of laser spot positioning is improved.

The invention discloses an oil sprayer. When a needle valve 3 is in contact with an upper stop point contact surface 8 of the needle valve, a first conductive material A and a second conductive material B form a first conductive loop through the needle valve 3; and when the needle valve 3 is in contact with a lower stop point contact surface 9 of the needle valve, the first conductive material A and a third conductive material C form a second conductive loop through the needle valve 3. A conduction signal of the first conductive loop and the second conductive loop is detected, and position information of the needle valve 3 can be precisely obtained, so that oil spraying amount can be precisely controlled, and consistency and stability of oil spraying amount are realized, and therefore, CO2emission is reduced.

The invention discloses an RGB-D image salient target detection method. The method comprises the following steps: extracting RGB and Depth image features, simultaneously implementing fusion to form RGBD fusion features, and dividing the RGBD fusion features into high-level RGBD fusion features and low-level RGBD fusion features; enhancing the high-level RGBD fusion features by using three Transformers to form high-level RGBD enhanced features; performing three-stream decoding on the high-level RGBD enhanced features, and forming RGBD refined features by combining the high-level RGBD enhanced features with the low-level RGBD fusion features; and fusing the RGBD refined features to form a saliency map. According to the detection method, the high-level features are enhanced by utilizing Transformer, position information of a salient object is accurately obtained, the low-level features are fused by utilizing three-stream fusion, and contour details of the salient object are refined; and through combination of a convolutional neural network and Transformer, and global and local optimization, the saliency map with high precision is generated.

The invention discloses a pilotless automobile navigation positioning method and system and a storage medium. The method comprises the steps: making a plurality of positioning marks with unique and fixed recognition features, and installing the positioning marks beside a road or at any place where a pilotless automobile passes; pre-storing the position information corresponding to each positioning mark in a vehicle-mounted PLC of the pilotless automobile; identifying and reading, by the pilotless automobile, the marks through a vehicle-mounted camera to obtain the accurate position information of the marks, and transmitting the position information to the vehicle-mounted PLC; and by the vehicle-mounted PLC, comparing the position information obtained by reading the positioning marks with the position information given by a vehicle-mounted satellite positioning system to judge whether the positioning of the vehicle-mounted satellite positioning system is correct or wrong. According to the method, a large number of entity and physical positioning marks are used, the position information can be accurately obtained, trivial comparison and position information correction are carried out, then the correct positioning of the satellite navigation positioning system of the pilotless automobile can be accurately judged, and meanwhile the accuracy of navigation positioning can be continuously corrected.

The invention discloses a method for acquiring the locations of vehicles, a device, a non-stop electronic toll collection method and a non-stop electronic toll collection system and belongs to the intelligent transportation field. The method for acquiring the locations of the vehicles comprises the following steps that: A, when a vehicle passes by an entering ground sensor, vehicle counts N are increased by 1; B, when the vehicle passes through a departure ground sensor, the vehicle counts N are decreased by 1; C, ground sensing block division is performed: one independent ground sensor having a vehicle existing state is adopted as one ground sensing block, or a plurality of adjacent ground sensors of which the states are continuous vehicle existing states are adopted as one ground sensing block, and the number of the ground sensing blocks is M; and D, ground sensing location information judgment is performed: when N is equal to M, the location of each ground sensing block is the ground sensing location information of a corresponding vehicle, wherein M and N are both integrals larger than or equal to 1. According to the method for acquiring the locations of the vehicles of the invention, one independent ground sensor having a vehicle existing state or a plurality of adjacent ground sensors of which the states are continuous vehicle existing states are adopted as one ground sensing block; and the locations of the vehicles in a lane can be obtained through the number of the vehicles and the number of the ground sensing blocks, and therefore, the location information of the vehicles can be obtained accurately.

The embodiment of the invention discloses a preparation method of a test sample. The method comprises the following steps: a to-be-processed structure comprising a failure region is provided; wherein the to-be-processed structure comprises a plurality of steps, a dielectric layer covering the steps, a contact plug located above the surfaces of the steps and arranged in the dielectric layer, and a virtual channel column penetrating through the steps; the structure to be processed is thinned towards the steps in the preset direction intersecting with the inclined plane where the multiple steps are located, so that a preprocessed sample is formed; wherein the preprocessed sample comprises the failure area; in the preset direction, the thickness of the contact plug remaining on the surface of the preprocessed sample is greater than or equal to a first preset thickness; and the residual dielectric layer on the surface of the pretreatment sample is removed to expose the virtual channel column, and forming the test sample.

The invention discloses a billiard ball positioning method which comprises the following steps: acquiring attribute information of a billiard table top, manufacturing positioning substrates with different colors according to the attribute information, and flatly laying the positioning substrates on the billiard table top; shooting the billiard table surface on which the positioning substrate is laid to obtain a reference image; acquiring a local image including a target billiard ball, and determining first positioning information of the target billiard ball in the local image; taking an image where the target billiard ball is located in the local image as a first foreground image, and performing removal processing to obtain a first background image; matching the first background image with the reference image, and determining second positioning information of the first background image on the reference image according to a matching result; and determining position information of a target billiard ball according to the first positioning information and the second positioning information. Accurate positioning of billiards is realized.

An intelligent card table chip positioning system is provided. The system includes base stations, correspinding chips and a corresponding PC terminal, the system is characterized in that: 3 of the base stations are base station 0, base station 1, base station 2, the base station 0, the base station 1 and a base station 2 each have a function of ranging a tag, the base station 0 has a function ofcollecting information from other base stations, after the information is collected, the information is integrated and sent to the PC terminal, and a UWB positioning chip is embedded in the chip between the corresponding three base stations, each chip has a separate number, and the PC terminal corresponds the position information with the chip, and the positioning system obtains the position of the chip on the card table and displays the position on the PC terminal. The invention provides an intelligent card table chip positioning system, which can obtain the position of chips and further identify the chips. The chips are placed in front of the player at the beginning, if the chips are found in the middle betting area, the position is explained and the betting amount is known, thereby facilitating the live broadcasting of the related games.

The invention relates to the field of firefighting safety, and discloses a firefighting commanding and dispatching method and system. The firefighting commanding and dispatching method comprises the following steps: acquiring firefighting resource information and warning condition information from a server through a client; generating and displaying geographic data within a specified range on the client, and associating the firefighting resource information, the warning condition information and the geographic data to perform visualized presentation; determining a geographic position of the client, and acquiring firefighting water source information within a preset distance range according to the geographic position; and associating the firefighting water source information with the geographic data, and performing visualized presentation. Through adoption of the firefighting commanding and dispatching method and system, unified and visualized management of firefighting resources can be realized; position information of the firefighting resources is acquired accurately; and the information can be checked, managed and modified without being influenced by time, space or regions. The firefighting commanding and dispatching method and system have very practical popularization value on the aspect of firefighting commanding and dispatching.

The invention provides a binocular vision-based recovery positioning method for an underwater robot. Two underwater CCD cameras are used to photograph a calibration plate to obtain parameters of the binocular camera, including internal and external parameter matrices, distortion coefficients, and rotation between the cameras. , translation matrix; obtain the visual image captured by the underwater binocular camera as the input image to be analyzed; grayscale and binarize the input image to determine the connected domain in the image; match the light source and perform morphology on the underwater image The processing above obtains the coordinates of the center point of the final light source; calculates the relative position of the AUV and the docking dock. This method applies short-distance high-precision binocular vision positioning to the autonomous docking process of underwater AUV recovery, and uses the centroid detection algorithm and connected domain detection algorithm to replace the Hough circle detection method to improve the calculation of the relative position information between the AUV and the docking dock. The real-time performance improves the real-time performance and stability of positioning, and ensures the success rate of AUV docking.

The invention relates to a high-reliability and low-false alarm rate highway automobile anti-collision system and method. The highway automobile anti-collision system comprises a central processing unit, radar, a steering wheel angle sensor, a vehicle speed sensor, a steering lamp sensor, a camera, a location speed measurement sensor and an output unit, wherein the radar communicates with the central processing unit. The technical problem that the false alarm rate of a traditional radar automobile intelligent anti-collision system is high is solved by the highway automobile anti-collision system. According to the highway automobile anti-collision system, by utilizing the multi-sensor fusion technique, the advantages of all the sensors are fully exploited; the integrated information of people, vehicles and roads is provided, and therefore, false alarms caused by traffic signs, temporary passage vehicles, roadside buildings, curves, overtaking and platform bridges are reduced, unreal obstacles are eliminated, and the false alarm rate under the complicated environment is reduced.

The invention relates to the technical field of luggage, in particular to an intelligent luggage, which is provided with an intelligent alarm device, the intelligent alarm device comprises a GPS positioning module, a control module, a state acquisition module, a data storage module, a sound production module and a communication module, the state acquisition module can acquire the state of the luggage in real time and send the state information of the luggage to the control module, and the data storage module is used for storing the state information of the luggage. The control module judges whether the luggage gives an alarm or not according to data stored in the data storage module, when the alarm is needed, the control module controls the sounding module to make a sound, obtains positioning information of the GPS positioning module and sends the positioning information to the communication terminal through the communication module, and when the luggage is far away from an owner, the control module controls the sound making module to make a sound. The luggage owner can accurately obtain the position information of the luggage and further find the luggage.

The invention discloses a target detection method for quickly identifying aluminum combustion particles in a holographic image. The target detection method comprises the following steps: step 1, establishing a data set suitable for identifying the holographic image of the aluminum combustion particles; step 2, marking images of the training set and the verification set of the selected aluminum combustion particle holographic image; 3, selecting an aluminum combustion holographic image particle identification model and designing parameters; step 4, aluminum combustion hologram particle rapid identification; 5, obtaining the center position of the aluminum combustion particles; 6, extracting the particle size of the aluminum combustion particles; and utilizing a YOLOv 3 model to realize rapid identification of the micron-sized aluminum combustion particles in the holographic image, and obtaining particle information of the aluminum particles.

The invention relates to a compressor muffler and mounting support welding device. The compressor muffler and mounting support welding device comprises a welding position acquisition device, a first moving mechanism, a second moving mechanism, a first welding gun and a second welding gun, wherein the welding position acquisition device is used for acquiring first position information of a position where the sidewall of a compressor muffler contacts with a first side plate of the mounting support as well as second position information of a position where the sidewall of the compressor muffler contacts with a second side plate of the mounting support, the first moving mechanism is used for moving the first welding gun to the position where the sidewall of the compressor muffler contacts with the first side plate according to the first position information, and the second moving mechanism is used for moving the second welding gun to the position where the sidewall of the compressor muffler contacts with the second side plate according to the second position information. The compressor muffler and mounting support welding device can be used for welding the compressor muffler with the mounting support without manual holding of the welding guns, so that working efficiency can be improved, labor cost is reduced and working personnel can be protected from suffering from light pollution during welding.