Motion video signal processing for recording or reproducing – Local trick play processing – With randomly accessible medium
Reexamination Certificate
2007-06-05
2007-06-05
Tran, Thai Q. (Department: 2621)
Motion video signal processing for recording or reproducing
Local trick play processing
With randomly accessible medium
C386S349000, C386S349000, C341S067000
Reexamination Certificate
active
10211716
ABSTRACT:
The present invention provides an image decoding apparatus that realizes speed-up processing of taking out an MR (macroblock remainder) from a fixed length unit that consists of a first DCT block and the MR, without increasing cost. A Setup processor3outputs one out of a plurality of fixed length units that constitute an SB (synchronized block). First, calculation is performed for a length from a beginning of the fixed length unit to a EOB (end of block) that is included in the fixed length unit. The calculated length is then used as an offset in taking out the MR. Then an end portion of a second DCT block that is included in the MR is combined with a corresponding beginning portion of the second DCT block, in order to obtain the complete second DCT block. The complete second DCT block is outputted to a variable length code decoder13.
REFERENCES:
patent: 5212742 (1993-05-01), Normile et al.
patent: 5341250 (1994-08-01), Uchida et al.
patent: 5940017 (1999-08-01), Jeon
patent: 6041162 (2000-03-01), Choi
Hirai Makoto
Ieda Yukiharu
Kiyohara Tokuzo
Nishida Hideshi
Wada Yoshiyuki
Dang Hung
Tran Thai Q.
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