Human-visual-system (HVS)-based structural similarity (SSIM) and characteristic matching three-dimensional image quality evaluation method
A technology for stereo image and quality evaluation, applied in stereo systems, image communication, television, etc., can solve problems such as labor consumption, inability to reflect clearly, and instability
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[0081] Aiming at the shortcomings of the existing methods, the present invention establishes a visual model that reflects the non-linear characteristics of human eyes brightness amplitude, contrast sensitivity characteristics, bandpass characteristics, and masking characteristics; and extracts left and right view structures that reflect brightness, signal-to-noise ratio, and stereo perception There are six evaluation indexes including distortion measurement index, left and right test view brightness contrast index, left and right view human visual signal-to-noise ratio index, and matching point number ratio index. These six indexes are fitted into a reasonable overall evaluation index. The results show that: the evaluation index proposed in this design has a high consistency with the subjective evaluation, and can accurately reflect the quality of the stereo image.
[0082] The stereoscopic image quality evaluation algorithm proposed by the present invention is as follows:
[0083]...
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