Image compression method and device
An image compression and image technology, applied in the field of image processing, can solve the problems of high computational complexity and many initialization parameters of FSIM, and achieve good visual effects
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[0066] In order to make the purpose, technical solution and advantages of the present invention more clear, the embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. It should be noted that, the embodiments in the present application and the features in the embodiments may be arbitrarily combined with each other if there is no conflict.
[0067] The Joint Photographic Experts Group JPEG standard uses quality factors as constraints for image compression coding. The quality factor is a coefficient used to evaluate the quality comparison of images before and after compression. The larger the quality factor, the less image compression and the better the quality.
[0068] The present invention uses an objective image quality evaluation algorithm to accurately and objectively evaluate the image quality, thereby obtaining the quality score, and uses the Sigmod function to fit the functional relationship between the quali...
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