Image fusing method based on cosine modulating filter unit

Abstract

The invention discloses an image fusion method based on cosine modulation filter group. The original inputted image is decomposed into sub-band signals with cosine modulation analyzing filter group, then calculates the fusion measuring index of each sub-band image with measuring index based on local contrast, carries on fusion operation to these sub-band signals according to fusion rule that selecting the maximal fusion measuring index and acquires a group of new fused sub-band signals, and carries on consistency check to the sub-band image being fused, finally, acquires the fused image with synthesized filter group. The invention upgrades the quality of the fused image greatly.

Description

technical field

[0001] The invention relates to an image fusion method based on a cosine modulation filter bank, which is used to fuse multi-sensor images of the same scene, and is widely used in optical imaging, target monitoring, security inspection and other systems. Background technique

[0002] Image fusion technology is the fusion of visual information in multi-sensor information fusion. It uses different imaging methods of various imaging sensors to provide complementary information for different images, increase the amount of image information, reduce the amount of original image data, and improve adaptability to the environment. In order to obtain more reliable and accurate useful information for observation or further processing. It is an emerging technology that integrates sensors, signal processing, image processing and artificial intelligence. In recent years, image fusion has become a very important and useful image analysis and computer vision technology. It...

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