Low-visibility guiding system

A low-visibility and detector technology, applied in the field of low-visibility guidance systems, can solve the problems of low temperature backgrounds that cannot be displayed well, poor detail resolution, long working distance, etc. Smooth video and long-distance effect

Inactive Publication Date: 2014-05-21
上海市闵行区知识产权保护协会
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Problems solved by technology

Thermal imaging cameras have a stronger ability to penetrate smoke than low-light image intensifiers, and have a long range of action, but their resolution is low, the resolution of details is poor, and it cannot be well displayed for backgrounds with low temperatures

Method used

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Embodiment Construction

[0022] In the present invention, the front end of the detector collects infrared and low-light images under the premise of ensuring the parallelism of the optical axis and meeting the image registration rate of more than 95%; the fusion circuit performs spatiotemporal filtering and noise reduction processing on the low-light video to clear the low-light image Flicker noise in . The noise-reduced low-light video and infrared video will first undergo image registration processing, and the registered infrared and low-light images will undergo image fusion based on YCbCr color transfer, and finally sent to D / A for conversion into standard video After output. The output image adopts dual-spectrum color fusion imaging, which has the characteristics of high resolution of low-light images, good layering, strong ability of infrared images to penetrate smoke, and long-range effect.

[0023] Since the low-light image is a reflection image with many high-frequency components, it can refl...

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Abstract

The invention discloses a low-visibility guiding system. The low-visibility guiding system comprises two parts, i.e., a detector front end and a fusion system, wherein the detector front end comprises a fixed base, a rotary base, an installation frame, a thermal infrared imager, a micro-optical imager, and a camera; the fusion system comprises image processing equipment and display equipment. The low-visibility guiding system can be used for auxiliary driving systems of helicopters, ships and vehicles, helps drivers to drive safely and also can be used for search and rescue and security protection in accidents and the like.

Description

technical field [0001] The invention relates to the field of auxiliary guidance equipment in low visibility, in particular to a multi-channel low visibility guidance system. Background technique [0002] With the rapid development of my country's economy and society, various means of transportation such as airplanes, ships and automobiles have increased rapidly. At the same time, traffic accidents are also increasing, and traffic safety has become an increasingly serious social problem. [0003] Restricted light at night and severe weather are the main causes of traffic accidents. The main reason for this is the poor "visibility" at night and the inability to see the road clearly. During the disaster relief process of Wenchuan earthquake in 2008, the crash of our helicopter was also due to heavy rain and poor visibility, and the pilot could not see the nearby scenery clearly. The Civil Aviation Administration of China pointed out in the investigation report on the "5.8" m...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60R1/00B60R11/00H04N5/33
Inventor 王也
Owner 上海市闵行区知识产权保护协会
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