Infrared and low light image fusion method

A low-light image, infrared image technology, applied in image enhancement, image data processing, instruments, etc., can solve the problems of hindering real-time image fusion reconnaissance, no requirement for image fusion time, and reducing data volume, etc., to improve infrared/low-light Image fusion system, good engineering application value, and the effect of shortening time
CN103177433AInactive Publication Date: 2013-06-26NANJING UNIV OF SCI & TECH
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
NANJING UNIV OF SCI & TECH
Publication Date
2013-06-26
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention discloses an infrared and low light image fusion method. The method comprises the following steps of: (1) acquiring an original infrared image by using an infrared camera, and acquiring an original low light image by using a low light camera; (2) respectively partitioning the acquired original infrared image and the original low light image so as to divide the original infrared image and the original low light image into N mutually corresponding original image sub-blocks; (3) in a parallel processing system, simultaneously carrying out image fusion on the mutually corresponding original image sub-blocks in the original infrared image and the original low light image so as to obtain fused image sub-blocks; and (4) combining the fused image sub-blocks so as to generate a final fused image. The fused image obtained by the invention not only has a high image quality, but also has a high fusion speed, and therefore, the infrared and low light image fusion method has a wide application prospect in the military and civil fields of night vision surveillance, security monitoring, and the like.
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Description

technical field

[0001] The invention relates to the technical field of image fusion processing, in particular to an infrared and low-light image fusion method. Background technique

[0002] Infrared / low-light image fusion technology has been widely used in the military field. It combines the advantages of rich scene details in low-light images and strong contrast between infrared image targets and backgrounds into one image, so that observers can get a better view of a certain scene. Accurate, comprehensive and reliable image information is highly valued. Since the 1990s, the military and scientific research institutions of various countries have conducted in-depth and meticulous research on infrared / low-light image fusion technology, and achieved fruitful results. During this period, a large number of practical and excellent algorithms have emerged, such as: arithmetic mean fusion algorithm, principal component analysis fusion algorithm, multi-resolution image fusion algor...

Claims

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