FIELD: physics, computer engineering.
SUBSTANCE: invention relates to computer engineering. An image prediction decoding method, comprising extracting encoded prediction information data from compressed data, which is used to generate a target area prediction signal, encoded segment area width data and encoded residual signal data; and restoring the segment area width by decoding the encoded segment area width data; generating, from the restored segment area width, a first segment prediction signal from the restored signal using prediction information consisting of (i) mode information which determines an inter-picture prediction method, (ii) a reference picture number and (iii) a motion vector, and restored from the encoded prediction information; restoring the residual target area restoration signal from the encoded residual signal data; generating a target area restoration signal based on the target area prediction signal and the residual restoration signal; and storing the target area restoration signal as the restored signal.
EFFECT: reduced prediction error of a target unit.
10 cl, 21 dwg
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Year |
Author |
Number |
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