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47results about How to "Good for target recognition" patented technology

Passive non-cooperative target positioning method based on distributed irradiation source

The invention provides a passive non-cooperative target positioning method based on a distributed irradiation source. In the method, a non-cooperative target is detected through a plurality of irradiation sources distributed in space, and a multi-point ranging positioning technology is utilized at a receiving end so as to acquire three-dimensional position information of the non-cooperative target. At the receiving end, a system works in a passive mode and has higher stealth performance and higher target positioning accuracy. The defect that positioning accuracy of the traditional passive positioning technology is limited by operating wavebands and the size of receiving antennas is overcome, a high-precision three-dimensional position of the non-cooperative target can be acquired even in a lower operating waveband, and the detection and the tracking of a stealth target is facilitated. In addition, by the method, a three-dimensional speed of the target can be extracted from the three-dimensional position information of the non-cooperative target; and compared with the traditional radar which can only acquire the radial speed of the non-cooperative target, the method contributes to target identification. Finally, a receiving end system has a simple structure, a passive detection function can be realized by additionally arranging a signal processing module on the basis of the conventional radar system, and the system has lower cost and is convenient to upgrade and reform on a large scale.
Owner:UNIV OF ELECTRONIC SCI & TECH OF CHINA

Night driving system based on uncooled infrared and low-light-level fusion

The invention discloses a night driving system based on uncooled infrared and low-light-level fusion. The system is an intelligent video monitoring system which can meet the need of vehicle drivers for dynamically observing the surrounding environment, and can be used to detect and track the surrounding environment and make an object analysis of the surrounding environment. The system is composed of five parts: a video acquisition module, a video preprocessing module, a video control module, a video fusion module, and a video display module. An image processing technology is adopted, and the image quality is improved. An adaptive pseudo color fusion algorithm based on a YCbCr color space is adopted, a fusion mode switching function is added, and the color of a fused image is real, which is advantageous to target recognition by the human eye. As a servo control system is adopted, vehicle drivers can quickly observe the surrounding environment at different angles, the environment target recognition ability and observation effect are improved, and a strong guarantee is provided for the safety performance of vehicles.
Owner:NANJING UNIV OF SCI & TECH

Automatic reversing device having identification function

The invention discloses an automatic reversing device having the identification function. The automatic reversing device comprises a reversing device and a millimeter wave radar three-dimensional environment sensing system mounted on the reversing device, wherein the millimeter wave radar three-dimensional environment sensing system comprises a millimeter wave radar, a rotary mechanical device, a control unit and a data processing unit, and the rotary mechanical device comprises a first rotary shaft, a rotation disc and a second rotary shaft. The reversing device has a simple and practical structure, can realize front no-dead-corner scanning coverage and further has advantages of accurate control, high positioning precision and good timeliness.
Owner:浙江嘉苑园艺景观有限公司

Solar street lamp with environment sensing ability

The invention discloses a solar street lamp with environment sensing ability. The solar street lamp comprises a solar street lamp and a millimeter-wave radar three-dimensional environment sensing system mounted on the solar street lamp, wherein the millimeter-wave radar three-dimensional environment sensing system comprises a millimeter-wave radar, a rotary machine device, a control unit and a data processing unit; the rotary machine device comprises a first rotary shaft, a rotary disk and a second rotary shaft. The solar street lamp disclosed by the invention is simple and practical in structure and can realize scanning coverage of the front without dead angle and has the advantages of accurate control, good practicability and the like.
Owner:ZHEJIANG LIPER LIGHTING TECH CO LTD

Full-automatic harvesting device with environment perception capability

ActiveCN105660028AAccurate measurementEffectively identify and automatically harvestMowersRadio wave reradiation/reflectionEngineeringData processing
The invention discloses a full-automatic harvesting device with an environment perception capability. The full-automatic harvesting device comprises a harvester and a millimeter-wave radar three-dimensional environment perception system which is installed on the harvester, wherein the millimeter-wave radar three-dimensional environment perception system comprises a millimeter-wave radar, a rotary mechanical device, a control unit and a data processing unit; the rotary mechanical device comprises a first rotating shaft, a rotating disk and a second rotating shaft. The full-automatic harvesting device is simple and practical in structure, can realize front scanning coverage without dead angle, and further has the advantages of being accurate in control, high in locating accuracy, good in real-time capability and the like.
Owner:平湖千瑞翔农业科技有限公司

Infrared target detection method based on space-time cooperation framework

The invention relates to an infrared target detection method based on a space-time cooperation framework. The method comprises the following steps: 1. acquiring a background frame Bg and a current frame Ft of a video, combining the background frame Bg and the current frame Ft to carry out background clutter suppression and acquiring a background suppression graph Gt after the background clutter suppression is performed; 2. for the background suppression graph Gt obtained in the step 1, firstly establishing a space-time background model, and then carrying out target positioning aiming at space-time background model information after the model is established; 3. according to an imaging mechanism of the infrared target, analyzing a space difference of the infrared target and the surrounding background, using a fuzzy adaptive resonance nerve network to carry out local classification aiming at the target which is positioned in the step 2 and then extracting the infrared target. The method has the following advantages that: the method does not depend on any target shapes and motion information priori knowledge; the method is suitable for a complex outdoor scene; a signal to noise ratio can be increased; a target detection rate can be increased and a calculated amount can be reduced; false targets can be effectively removed and a false alarm rate can be reduced; the method is beneficial to follow-up target identification.
Owner:WUHAN UNIV

Method and device for automatic detection of foreign objects between screen doors and trains of straight-line subway platform

The invention discloses an automatic detection method and a device of foreign bodies between a linear subway platform shielded gate and a train. Main components comprise a light band, a camera, a display and a computer system. The light band is arranged on a gap belt between the train and the platform shielded gate at the end of the platform. The camera is arranged on an unoperated position of a head of the train or a platform of the front. The camera and the light band are conplane. The camera shoots gap images and light band images between the shielded gate and the train, sharpness of the gap images are strengthened through image processing techniques, the foreign bodies in a gap are detected, and results are sent to a driver and a subway system through the display. Real-time high definition gap images and foreign bodies detection results are provided, and system reliability is improved. The driver has no need to get off and can finish detection tasks, stopping time is reduced, and subway operating efficiency is improved. Artificial detection manners are kept completely, and therefore even though a detection device has a breakdown, normal operation of the subway cannot be influenced.
Owner:SOUTH CHINA UNIV OF TECH +1
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