H - Electricity – 04 – N
Patent
H - Electricity
04
N
H04N 7/50 (2006.01) G06T 7/20 (2006.01) G06T 9/00 (2006.01)
Patent
CA 2475777
The present invention relates to a recording medium having recorded thereon information related to coded data of an image sequence. The information related to coded data of an image sequence is a set of coded frame information of a plurality of frames of an image sequence. The coded frame information includes information related to a difference image between an image of a current frame and a prediction image of the current frame. The prediction image is synthesized by performing motion compensation, information related to motion vectors estimated in performing the motion compensation, and rounding method information specifying either a positive rounding method or a negative rounding method for interpolating intensity values of pixels in performing the motion compensation. The information specifying either a positive rounding method or a negative rounding method for interpolating intensity values of pixels enables a decoder to synthesize a prediction image of the current frame by performing motion compensation according to the specified rounding method at the time of decoding the encoded data.
Nakaya Yuichiro
Nejime Yoshito
Hitachi Ltd.
Kirby Eades Gale Baker
LandOfFree
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