Full-reference-type image quality evaluation method based on Gabor weighted characteristics
An image quality evaluation and reference image technology, applied in the field of image processing, can solve the problems of underutilization of image frequency domain information, lack of widespread application, mismatch of subjective visual characteristics of human eyes, etc.
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[0041] The present invention will be described in detail below in conjunction with the accompanying drawings and implementation examples.
[0042] figure 1 Shown is the flow chart of the full-reference image quality evaluation method based on Gabor transform, figure 2 Shown is the training figure 1 A flow chart of the weighting coefficients required in the similarity weighted addition step (step 5). In the specific implementation, the LIVE database is used as the experimental database, and the LIVE database image is divided into two parts: 4*5=20 pairs of distorted images and original reference images are used as test image pairs, as figure 1 input of. 25*5=125 pairs of distorted images and original reference images are used as training image pairs, as figure 2 input of.
[0043] Step (1): Perform two-dimensional Gabor transformation on the training image, test image and reference image to obtain Gabor filter coefficients. Among them, the two-dimensional Gabor filter h...
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