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TECHNIQUE FOR ADAPTIVE DE-BLOCKING OF BLOCK-BASED FILM GRAIN PATTERNS
TECHNIQUE FOR ADAPTIVE DE-BLOCKING OF BLOCK-BASED FILM GRAIN PATTERNS
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机译:基于块的胶片颗粒图案的自适应去块技术
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摘要
Reduction in the blockiness of a simulated film grain block can be achieved either by the use of adaptive downscaling or adaptive deblocking filtering to adjust the intensity of the pixels at the block edge in accordance with at least one film grain block parameter, such as film grain size, intensity and texture. Performing such adaptive downscaling or adaptive deblocking filtering achieves improved performance at lower computational cost by avoiding modification of film grain block pixels in lesser affected areas.
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