H - Electricity – 04 – N
Patent
H - Electricity
04
N
350/3
H04N 7/00 (2006.01)
Patent
CA 2027659
Video signal transmitting system in which digital video signal are divided into groups of predetermined frames. Digital video signals of at least one frame of them are intraframe coded and then transmitted. Remaining digital video signals are interframe coded with reference to the digital video signals, intraframe coded, and the digital video signals, intraframe coded, of a subsequent group of frames and are then transmitted. A motion vector from a predetermined reference frame is detected. Video signals are interframe coded by the motion vector to transmit the video signals. A motion vector from a frame which is frames away from the reference frame is converted to motion vector per one frame between the reference frame and the frame, is optimized, and is then transmitted.
Igarashi Katsuji
Mark Veltman
Yagasaki Yoichi
Yonemitsu Jun
Gowling Lafleur Henderson Llp
Sony Corporation
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