No-reference tone mapping image quality evaluation algorithm based on clustering perception
A technology for image quality evaluation and tone mapping, which is applied in image analysis, image enhancement, image data processing, etc., can solve problems such as blurring, poor performance, and limited application range of full reference images, so as to achieve good computing speed, improve performance, Fast decomposition effect
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[0021] The specific implementation manner of the present invention will be described in detail below in conjunction with the accompanying drawings.
[0022] Such as figure 1 As shown, the cluster perception based no-reference tone mapping image quality evaluation algorithm, to realize the cluster perception based no reference tone mapping image quality evaluation algorithm, includes the following steps:
[0023] Step A: Extract cluster perception features in the luminance domain, first convert the TMI into a grayscale image, and then perform clustering and division according to the luminance information, and the clustering division uses the K-means clustering algorithm to automatically identify the highlight of the image Area, middle area, and low dark area, extract two features of area ratio and information entropy in each area;
[0024] Step B: Extract the features of the salient area on the salient area, obtain the corresponding coefficients of the test image through non-n...
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