Video data compression with trial encoder

Details Video data compression with trial encoder Video data compression with trial encoder

1996-10-18

2000-02-22

Rao, Anand S.

Television

Bandwidth reduction system

Data rate reduction

348391, 348404, 348405, 382236, H04N 712, H04N 1102

Patent

active

060286334

ABSTRACT:
Video data compression apparatus in which successive groups of two or more images are encoded subject to a predetermined limit on the quantity of output encoded data to be generated for each group of images, comprises a trial encoder for encoding at least a subset of images of a current group of images to generate trial-encoded data for each trial-encoded image; a data quantity allocator, responsive to the quantities of trial-encoded data generated by the trial encoder, for allocating respective quantities of output encoded data for each image in the group of images; and a final encoder for encoding each image of the group of images in accordance with the quantities of output encoded data allocated to that image by the data quantity allocator.

REFERENCES:
patent: 5231484 (1993-07-01), Gonzales et al.
patent: 5495292 (1996-02-01), Zhang et al.
patent: 5532746 (1996-07-01), Chang
patent: 5617145 (1997-04-01), Huang et al.
patent: 5638126 (1997-06-01), Lim
patent: 5680483 (1997-10-01), Tranchard
patent: 5687257 (1997-11-01), Paik et al.
patent: 5694170 (1997-12-01), Tiwari et al.

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