FIELD: data processing.
SUBSTANCE: invention relates to decoding images. Disclosed is a method of encoding a prediction image, comprising: determining an optimum prediction mode from a plurality of prediction methods for a pixel signal of the target block; predicted signal is generated according to mode; residual signal is determined between the target unit pixel signal and the predicted signal; residual signal and optimum prediction mode are encoded to generate a compressed signal; compressed signal is restored; recovered signal is stored as a reproduced pixel signal. List of assumed prediction modes is generated as a list containing elements of optimal prediction modes of plurality of previously reproduced blocks adjacent to target unit; a flag for indicating whether the list contains an element corresponding to the optimum prediction mode is encoded; index of corresponding element is encoded if corresponding element is present in list; optimal prediction mode is encoded on the basis of numbering of elements in the list, provided that the corresponding element is absent in the list.
EFFECT: high efficiency of decoding encoded mode information.
3 cl, 16 dwg
| Title |
Year |
Author |
Number |
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|
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