Pulse or digital communications – Bandwidth reduction or expansion – Television or motion video signal
Reexamination Certificate
2011-04-19
2011-04-19
Thompson, James A (Department: 2625)
Pulse or digital communications
Bandwidth reduction or expansion
Television or motion video signal
C375S240140
Reexamination Certificate
active
07929605
ABSTRACT:
In order to make it possible to obtain the correct decoded image even in the case of not decoding a particular frame of the encoded data and improve the coding efficiency, the predicted image production unit103selects the image data from the image data of a plurality of frames in the reference image memory107which are encoded in the past, of the i-th (1≦i≦j) category, for the current frame which is classified as the j-th category by the image classifying unit102, and produces the predicted image. The difference encoding unit104encodes a difference between the image data of the current frame and the predicted image. Also, the current category encoding unit106encodes the category number of the current frame, and the reference image specifying data encoding unit105encodes the reference image specifying data which specifies the image data selected from the reference image memory107.
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Kamikura Kazuto
Kimata Hideaki
Kitahara Masaki
Kilpatrick Townsend & Stockton LLP
Nippon Telegraph and Telephone Corporation
Thompson James A
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