Segmented video coding and decoding method and system

Details Segmented video coding and decoding method and system Segmented video coding and decoding method and system

2006-01-24

2006-01-24

Chen, Wenpeng (Department: 2624)

Image analysis

Image compression or coding

Shape, icon, or feature-based compression

C375S240080, C345S419000

Reexamination Certificate

active

06990248

ABSTRACT:
The invention relates to a method of coding a sequence of pictures using a segment operation of each of the pictures followed by a coding operation of each of the obtained successive partitions, and to a corresponding system. The system includes a projection circuit (11), for estimating on the basis of the mesh defined for a previous picture a projected mesh made of polygons and corresponding to the current picture, a mesh coding circuit (12,13,14,15) for coding motion and texture associated to the projected mesh, and a texture error detection and coding circuit (16,17).

REFERENCES:
patent: 5654771 (1997-08-01), Tekalp et al.
patent: 5982909 (1999-11-01), Erdem et al.
“Motion Estimation and Triangular Active Mesh,” Dudon et al. France Telecom/CNET 1995, pp. 47-53.
“Motion Compensated Video Sequence Interpolation Using Digital Image Warping,” Nieweglowski et al. 1994 IEEE Internation Conference on Acoustics, Speech, and Signal Processing, vol. 5, pp. 205-208, 1994.

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