Method for coding motion vector using 2-dimensional minimum...

Details Method for coding motion vector using 2-dimensional minimum... Method for coding motion vector using 2-dimensional minimum...

2006-04-04

2006-04-04

Philippe, Gims (Department: 2613)

Pulse or digital communications

Bandwidth reduction or expansion

Television or motion video signal

C382S238000, C348S394100

Reexamination Certificate

active

07023919

ABSTRACT:
A method for coding a motion vector using a 2-dimensional minimum bitrate predicting technique is disclosed. A mode information (MODE) commonly adopted to the factors ‘X’ and ‘Y’ are transmitted to thereby reduce its transmission burden by using the two-dimensional minimum bitrate predicting technique, so that a coding efficiency of a motion vector can be improved. In addition, the two-dimensional MVD information coding method is proposed for the low transfer rate mobile image which is very small and has very small motion, so that even if a distribution characteristic of the MVD information is changed according to the minimum bitrate prediction, a coding efficiency of a major motion vector can be improved.

REFERENCES:
patent: 5594504 (1997-01-01), Ebrahimi
patent: 6271885 (2001-08-01), Sugiyama
patent: 6498810 (2002-12-01), Kim et al.
patent: 6690833 (2004-02-01), Chiang et al.
patent: 6735249 (2004-05-01), Karczewicz et al.
Sung Deuk Kim and Jong Beom Ra, An Efficient Motion Vector Coding Scheme Based on Minimum Bitrate Prediction, Aug. 1999, vol. 8, No. 8, pp. 1117-1120, IEEE Transactions on Image Processing.

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