Image encoding apparatus and image encoding method

Details Image encoding apparatus and image encoding method Image encoding apparatus and image encoding method

2004-12-02

2008-10-21

Couso, Jose L (Department: 2624)

Image analysis

Image compression or coding

Predictive coding

Reexamination Certificate

active

07440629

ABSTRACT:
In the image encoding apparatus, the bus traffic monitoring unit monitors the traffic of the memory bus and when the memory bus is congested, the prediction selector is instructed to select the output from the DC prediction unit. Conversely, when the memory bus is not congested, the prediction selector is instructed to select the output from the AC prediction unit. The memory unit stores therein DC coefficients and AC coefficients outputted from the DCT unit so that AC prediction encoding can be performed.

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patent: 5974184 (1999-10-01), Eifrig et al.
patent: 6005622 (1999-12-01), Haskell et al.
patent: 6647061 (2003-11-01), Panusopone et al.
patent: 6792046 (2004-09-01), Hatano et al.

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