Method and apparatus for coding and decoding image data

Details Method and apparatus for coding and decoding image data Method and apparatus for coding and decoding image data

2006-08-01

2006-08-01

Do, Anh Hong (Department: 2627)

Image analysis

Image compression or coding

C382S233000, C382S209000

Reexamination Certificate

active

07085419

ABSTRACT:
A matching processor detects correspondence information between key frames. A judging unit detects motion vectors from the correspondence information to determine variation of a field of view between the key frames. When variation of the field of view is sufficiently large, added information is generated related to the variation of the field of view. A stream generator generates a coded data stream by incorporating the added information. An intermediate image generator (for example, at a decoding side) detects the added information and trims edges of a generated intermediate image to account for the variation in the field of view, so that an unnatural invalidated region is cut out.

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patent: 6144405 (2000-11-01), Toba
patent: 6320977 (2001-11-01), Tokura

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