Optical correlation object identification and tracking system based on genetic algorithm

An optical correlation and genetic algorithm technology, which is applied in the field of identification and tracking systems that use genetic algorithms to solve the full-dimensional information of target positions, can solve the problems of limited accuracy, speed and anti-interference performance, accuracy and anti-interference ability decline, optical correlation The advantages of computing speed cannot be brought into play, etc., to achieve the effect of simplifying the system composition

Inactive Publication Date: 2009-12-09
NAT UNIV OF DEFENSE TECH
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Problems solved by technology

However, this process is easily affected by background stray light, detector noise and the movement of the carrier, which reduces the accuracy and anti-interference ability, and the current image acquisition and processing is still limited by the level of hardware development, and the speed advantage of optical correlation operations cannot be fully utilized.
Therefore, the traditional method has many deficiencies, which limit its accuracy, speed and anti-interference performance

Method used

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  • Optical correlation object identification and tracking system based on genetic algorithm
  • Optical correlation object identification and tracking system based on genetic algorithm
  • Optical correlation object identification and tracking system based on genetic algorithm

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Embodiment Construction

[0064] Attached below figure 2 Embodiments of the present invention will be described in detail. But it should not limit the protection scope of the present invention.

[0065] As shown in FIG. 4 , the embodiment of the present invention includes four parts: a target image acquisition camera 1 , an embedded processor 2 , an optical correlation computing system 3 , and a position / angle controller 11 . The optical correlation computing system 3 includes a spatial light modulator 4 , a wave plate 5 , a polarization beam splitter 6 , a Fourier lens 7 , a mirror 8 , a photodetector 9 , and a laser light source 10 . First, the target is roughly tracked so that the target appears in the field of view, and the target image acquisition camera starts to acquire images; the optical correlation calculation system performs correlation calculations based on the images acquired by the target image acquisition camera and the target template image stored in the system, and the calculation re...

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Abstract

The invention relates to an optical correlation object identification and tracking system based on genetic algorithm. The genetic algorithm is used to control location / angle controller to make system evaluation functions of location control voltage information and angle control voltage information functioning on location / angle controller obtain the global extremum. The invention uses ordinary photodetector to replace image acquisition equipment in the current system to simplify system composition, uses genetic algorithm to process optical correlation operation result to acquire all-dimensional location information of object quickly without any special requirement for system operation environment and apparatus and greatly improves the response speed and dynamic range of optical correlation objection identification and tracking system.

Description

technical field [0001] The invention relates to a target recognition and tracking system, in particular to a recognition and tracking system which utilizes a genetic algorithm to solve full-dimensional information of a target position. Background technique [0002] The use of optical correlation technology for target recognition is a research hotspot in the field of optoelectronics in recent years. Compared with traditional digital recognition technology, optical correlation calculation has the advantages of fast calculation speed, high bandwidth, strong scalability, and compact size. It can be widely used in Missile terminal guidance, spacecraft docking, aircraft blind landing, identity security and other fields have extremely broad military and civilian prospects. At present, many research institutions at home and abroad have carried out research on optical correlation target recognition technology. Applying optical correlation recognition to the selection of the landing ...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01S17/66G06N3/12G01J1/42G05D3/20
Inventor 李修建周朴杨建坤常胜利肖光宗贾辉樊振方
Owner NAT UNIV OF DEFENSE TECH
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