Image enhancing method based on self-adaptive block channel stretching
An image enhancement and self-adaptive technology, applied in image enhancement, image analysis, image data processing, etc., can solve the problems of weakening the effect of image enhancement, easy to produce significant halo, lack of unified framework, etc.
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[0039] The technical solutions of the present invention will be clearly and completely explained below in conjunction with the accompanying drawings in the present invention.
[0040] The present invention proposes an image enhancement method based on adaptive block channel stretching. The method first obtains a large number of non-fogged and normal exposure images through Internet search engines, and obtains images under different environmental conditions by learning and training these images. Adaptive threshold. In the process of image enhancement, the image is first transferred to the YUV color space, and then the converted image is represented by a multi-layer pyramid, and finally guided by the adaptive threshold, the bright channel and dark channel of the image are used for linear stretching and combination The image is enhanced accordingly. figure 1 It is a flowchart of an image enhancement method based on adaptive block channel stretching in the present invention. Suc...
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