Validation of Classical and Blind Criteria for Image Quality Evaluation

M. Haindl and S. Šimberová (Czech Republic)


Image Restoration, Degradation Modeling, Image Quality Criteria


An information of image quality and / or performance of image restoration methods can be expressed by evaluative criteria. The classical criteria are used for rather unrealistic image evaluation while the original (undegraded) image is available. More difficult case is in image restoration assess ment when the original is unknown. Blind criteria serve as an image quality estimator based on the restored image. Criteria are tested and compared on the synthetic degraded data set (the ”ideal” is known) to set out the most appropri ate criterium for the real astronomical images. Results are discussed from various points of view of image degradation process including iffluence of the variable noise.

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