Method and apparatus for perception-optimized transmission of vi

Details Method and apparatus for perception-optimized transmission of vi Method and apparatus for perception-optimized transmission of vi

1996-08-23

1999-06-22

Tung, Bryan

Television

Bandwidth reduction system

Data rate reduction

348420, H04N 712, H04N 1102, H04N 1104

Patent

active

059147512

ABSTRACT:
The present invention describes a process and a device for perception-optimized transmission of video and audio data. The picture coming from a video source is compared with a reference picture. The picture differences are investigated for perception-relevant picture data and transmitted to a receiver in accordance with their priority. If the amount of data required for refreshing exceeds the capacity of the data channel, the less relevant data (lower priorities) is held back. A particular embodiment of the present invention comprises storing the individual pictures as structured difference pictures. The present invention can be applied analogously to the transmission of audio data.

REFERENCES:
patent: 5111292 (1992-05-01), Kuriacose et al.
patent: 5122875 (1992-06-01), Raychaudhuri et al.
patent: 5144424 (1992-09-01), Savatier
patent: 5148272 (1992-09-01), Acampora et al.
patent: 5168356 (1992-12-01), Acampora et al.
patent: 5689300 (1997-11-01), Shibata et al.

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