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69results about How to "Improve recognition distance" patented technology

Optical label based information interaction system and method

The invention provides an optical label based information interaction system and method, and the system and method are high in directionality, long in identification distance and large in information capacity. The information comprises the information coding optical label, a data server, a mobile terminal and a wireless communication network, wherein the data server provides information, the mobile terminal decodes the information and is connected with the data server, and the wireless communication network is connected with the mobile terminal and the data server. the optical label comprises a signal unit and a positioning identification; the mobile terminal comprises an image collector and an image processing module, the image collector collects a coded image of the optical label, and the image processing module decodes the coded image; and the mobile terminal is connected with the data server via wireless communication network according to decoding information and makes information interaction. The method comprises the following steps that 1) supply information is coded; 2) the mobile terminal is used to decode the image to obtain demand information transmitted by the optical label; and 3) after decoding, interaction between demand information and supply information is realized.
Owner:BEIJING WHYHOW INFORMATION TECH CO LTD

Optical label identification method

The present invention provides an optical label identification method. The system comprises an optical label configured for information encoding and a mobile terminal configured for information decoding; the optical label includes a signal unit and location identification; the signal unit includes a plurality of static image units, and the location identification includes a plurality of dynamically sparkling luminescence units and a plurality of static graphical signs; the information content is encoded and transmitted through image attributes of the static image units; the mobile terminal includes an image collection device and an image processing module; the image collection device is configured to collect the coding images of the optical label; the image processing module is configured to decode the coding images; and the optical label performs information transmission through the static images to satisfy the directionality requirement, the primary localization of the optical label is performed through the dynamically sparkling location identifier, and the accurate location of the optical label is performed through the location identifier of the static image, so that the requirement of identifying multiple optical labels at the same time is satisfied, and the identification distance is greatly improved.
Owner:BEIJING WHYHOW INFORMATION TECH CO LTD

Radio frequency identification method and system based on wireless communication terminal

The invention discloses a radio frequency identification method and system based on a wireless communication terminal. According to solved technical problems, an RFID tag function of the wireless communication terminal is extended; the identification distance of the RFID tag function is increased; and a binding restriction with RFID tag data information is eliminated. According to the method provided by the invention, the wireless communication terminal controls an internal switch of a multi-tasking module to switch a signal path or switch the working state of a receiver and transmitter module; the terminating impedance of an antenna changes corresponding to the RFID data information to carry out reverse scattering communication; and direct extension is carried out to realize the tag function. The antenna of the wireless communication terminal has the advantages of free shape and size design and high gain, thus the identification distance of the RFID tag function is increased. According to the system provided by the invention, the RFID tag data information is updated and generated according to a user need, and is dynamically configured by a networking server. Compared with the prior art, the method and the system, which are provided by the invention, has the advantages that the cost of tag integration is saved; the identification distance is increased; the data information binding restriction is eliminated; and economic, flexible and reliable radio frequency identification is realized.
Owner:范志广

Intelligent door monitoring system and control method thereof

The embodiment of the invention provides an intelligent door monitoring system and a control method thereof. The system comprises a mobile sensor, a reader, a switch unit and a management unit, wherein the reader is a radio frequency identification reader; the mobile sensor is used for detecting a movement behavior of personnel in an entry / exit direction and sending an entry / exist sensing signal to the management unit; the management unit is used for sending a reading command to the reader according to the entry / exist sensing signal; the reader is used for reading electronic tag information of personnel in the entry direction by utilizing an ultra-high frequency radio signal based on a first antenna according to the reading command and / or electronic tag information of personnel in the exit direction by utilizing an ultra-high frequency radio signal based on a second antenna according to the reading command, and transmitting the electronic tag information to the management unit; the management unit is used for analyzing the electronic tag information, judging whether corresponding personnel has permission to enter or exit or not, and if yes, sending a control signal to the switch unit; the switch unit is used for opening a door according to the control information.
Owner:TIANJIN INST OF ADVANCED TECH

Scene self-adaptive system for improving vehicle-mounted infrared thermal imaging recognition accuracy

The invention discloses a scene self-adaptive system for improving vehicle-mounted infrared thermal imaging recognition accuracy, which belongs to the technical field of vehicle-mounted infrared thermal imaging, and comprises a system starting module, a vehicle speed acquisition module, a parameter mapping module and a target recognition algorithm module, wherein the output of the system startingmodule is electrically connected with the vehicle speed acquisition module; the output end of the vehicle speed acquisition module is electrically connected with a GPS module and an OBD interface, andthe output end of the GPS module and the output end of the OBD interface are both connected with a parameter mapping module. According to the system, in a high-speed environment, the dangerous targetidentification distance and the long-distance dangerous target identification accuracy can be greatly improved, and the driving safety is ensured; in a low-speed environment, the vehicle speed is lower than a threshold value, the vehicle belongs to an urban area or a road section with complex road conditions, a long-distance dangerous target is insufficient to cause driving safety and priority detection accuracy, and the interference of target false identification and false early warning on a driver is greatly reduced.
Owner:珠海市极太人工智能有限公司

Key material monitoring method based on visual portable equipment

The invention discloses a key material monitoring method based on visual portable equipment, and belongs to the field of monitoring. A delivery notice, material order information and a key material transportation scheme are bound with portable monitoring equipment; monitoring information in the transportation process is transmitted to an Internet cloud platform through a mobile network according to a fixed time frequency, comparison is performed according to a preset index early warning threshold value, and through integration of the GIS map information, real-time monitoring, real-time early warning and real-time processing of the material transportation state are achieved, logistics transportation state information is shared, real-time monitoring on the material transportation process isachieved, monitoring on the material transportation condition is enhanced, and the transportation efficiency and the transportation quality are greatly improved. The invention has the advantages of real-time accurate positioning, real-time monitoring visualization, RFID intelligent identification, whole-course abnormal automatic early warning and sustainable recycling, realizes a continuous use mode of 'order-follow-goods and equipment-follow-order', and improves the supply guarantee capability and the comprehensive quality control capability. The invention can be widely applied to the electric power material transportation management field.
Owner:SHANGHAI MUNICIPAL ELECTRIC POWER CO +1

Information processing method and electronic device

The embodiment of the invention provides an information processing method and an electronic device and belongs to the image processing field. With the information processing method and the electronic device adopted, a depth parameter algorithm can be automatically adjusted, and an identification distance can be effectively expanded, and identification accuracy can be improved. According to the technical scheme of the invention, the information processing method includes the following steps that: a plurality of groups of images of an identified object under different focal lengths are acquired through an image acquisition unit; corresponding parameters of focal lengths adopted by each group of images are acquired respectively; corresponding depth recovery images of each group of images are acquired according to the plurality of groups of images and the corresponding parameters of the focal lengths adopted by each group of images; a first depth recovery image with highest image quality is selected from all the depth recovery images; and corresponding parameters of the first depth recovery image are determined as target parameters, and the distance of the identified object is identified according to the target parameters. The information processing method and the electronic device of the invention are used for 3D image distance identification.
Owner:LENOVO (BEIJING) LTD

Method for increasing effective distance of face recognition and license plate recognition of police helmet

A method for increasing the effective distance of the face recognition and license plate recognition of a police helmet comprises the following steps that S1, at least two prime lenses are installed on the police helmet, the prime lenses at least comprise a short-focus lens and a long-focus lens, and the two adjacent lenses are distributed at intervals; s2, the short-focus lens and the long-focus lens shoot images of the target object at the same time, the images shot by the short-focus lens are short-focus images, and the images shot by the long-focus lens are long-focus images; a face and a license plate are recognized through the short-focus image and the long-focus image; the short-focus image and the long-focus image are analyzed by using software so as to judge the target distance and/or judge the definition of the short-focus image and the long-focus image respectively; s3, a short-focus lens and a long-focus lens are automatically switched according to the judged target distance; or the target distance is judged according to the definition of images shot by different lenses, and the working lenses are automatically switched; and S4, a clear target image is shot by using a lens suitable for the target distance, and the image is displayed to a user.
Owner:SHANGHAI JUXING TECH CO LTD

IC card signal amplifying circuit and IC card adopting circuit

The invention discloses an IC card signal amplifying circuit and an IC card adopting the circuit. The amplifying circuit comprises an antenna resonant circuit, an amplifying circuit, a near field communication chip, an identification circuit and a feedback circuit, wherein the input end of the amplifying circuit is connected with the output end of the antenna resonant circuit; the output end of the amplifying circuit is connected with the input end of the near field communication chip; the input end of the identification circuit is respectively connected with the output end of the near field communication chip and the output end of the amplifying circuit; the output end of the identification circuit is connected with the input end of the feedback circuit; the output end of the amplifying circuit is connected with the input end of the feedback circuit; and the output end of the feedback circuit is connected with the antenna resonant circuit. The IC card comprises the amplifying circuit. According to the IC card signal amplifying circuit and the IC card adopting the circuit, the antenna and an RFID chip are isolated, the IC card reading distance is increased, the anti-interference ability is enhanced, and the IC card information transmission stability is improved.
Owner:FREEVISION TECH CO LTD

Intelligent automobile door opening method and device, intelligent automobile and storage medium

The invention discloses an intelligent automobile door opening method and device, an intelligent automobile and a storage medium. The method comprises the steps of obtaining a shot image collected bya vehicle-mounted TOF camera; extracting a region image including a human face from the shot image; extracting human face features from the region image; and opening a vehicle door of the intelligentautomobile when the human face features are matched with preset face features of an automobile owner. The user can unlock the vehicle door without manual operation, so that the convenience is improved. Besides, the TOF camera is adopted to acquire images so that the method can better adapt to the weak light environment, the identification distance can be enhanced, the identification precision canbe enhanced and the response time can be shortened. The face features of the automobile owner are stored locally in the intelligent automobile, communication with a remote server is not needed in theface detection and recognition process, the problem that automobile owner information is leaked due to the fact that the automobile owner information is cracked in the data transmission process is avoided, and the safety of user information is guaranteed; meanwhile, communication with a server is not needed, so that the unlocking speed is increased.
Owner:GUANGZHOU JINGHUA PRECISION OPTICS CO LTD
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