REFINED BLOCK-BASED PREDICTIVE CODING AND DECODING OF A PICTURE
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United States of America
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Dec 26, 2024
app pub date -
Sep 10, 2024
filing date -
Sep 10, 2024
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Abstract
An apparatus for block-based predictive decoding of a picture comprises a combiner configured to combine a residual signal a predetermined block of the picture and a reference signal for the predetermined block so as to obtain a first spectrum, the residual signal correcting a prediction error of a prediction of the predetermined block of the picture; a reducer configured to perform thresholding on the first spectrum to obtain a second spectrum so that coefficients below a threshold value are set to a predefined value; an extractor configured to obtain from the second spectrum a modified version of the residual signal; and a reconstructor block configured to decode the predetermined block of the picture from the data stream on the basis of the modified version of the residual signal.
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