Image coding device

Details Image coding device Image coding device

2007-07-11

2008-10-21

Barnie, Rexford (Department: 2819)

Coded data generation or conversion

Digital code to digital code converters

Adaptive coding

C375S240030

Reexamination Certificate

active

07439880

ABSTRACT:
An image coding device is provided that includes an image coding unit which codes image data, a binarization unit which binarizes the coded data, an intermediate buffer, an accumulated amount measuring unit which measures an amount of data in the intermediate buffer, and an I_PCM judging unit which compares the measured amount of data with a threshold. A buffer input selection unit is also provided which causes the intermediate buffer to accumulate next binary data when the amount of the data does not exceed the threshold and causes the intermediate buffer to accumulate next I_PCM data when the amount of the data exceeds the threshold. In addition, the device includes an arithmetic coding unit that arithmetically codes the binary data accumulated in the intermediate buffer and an output selection unit outputs the arithmetically coded data or the I_PCM data.

REFERENCES:
patent: 7301485 (2007-11-01), Senda
patent: 2005/0249289 (2005-11-01), Yagasaki et al.
patent: 2004-135251 (2004-04-01), None

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