Segment-based encoding system using segment hierarchies

Details Segment-based encoding system using segment hierarchies Segment-based encoding system using segment hierarchies

2006-08-01

2006-08-01

Le, Vu (Department: 2621)

Pulse or digital communications

Bandwidth reduction or expansion

Television or motion video signal

Reexamination Certificate

active

07085319

ABSTRACT:
Video data is compressed using segmentation of reference frames where the segmentation results in a hierarchy of segments. The hierarchy can be generated bottom-up, where a first set of segments is generated and then a second set of segments generated by grouping segments of the first set, based on pixel value and/or segment boundaries. The hierarchy can be generated top-down, where a first set is generated and then a second set is generated by dividing up segments of the first set, based on pixel value and/or segment boundaries. The hierarchy can be included in the compressed video data or omitted such that a decoder would have to independently generate it. The hierarchy can be two or more levels. The hierarchy can be used for editing, formatting and/or compressing frames, as well as associating metadata with elements of the frame and coding motion, residue or other kinetic information.

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