Image processing apparatus, mobile terminal device and image...

Details Image processing apparatus, mobile terminal device and image... Image processing apparatus, mobile terminal device and image...

2007-07-24

2007-07-24

Couso, Yon J. (Department: 2624)

Image analysis

Image compression or coding

Quantization

C382S168000, C382S162000

Reexamination Certificate

active

10641111

ABSTRACT:
An image processing apparatus includes a gradation quantization processing in a case of performing a region dividing processing in the animation of a moving picture and in an object extraction, in which frequency histograms are created for each frame, a judgment is performed whether a quantization reference value is re-calculated by comparing the frequency histograms, in the case of performing the re-calculation, and a quantization reference value is successively obtained in accordance with the product of the frequency histograms and the error coefficient, thereby realizing a high-speed high-quality image process.

REFERENCES:
patent: 6018589 (2000-01-01), Hyodo
patent: 2001/0033260 (2001-10-01), Nishitani et al.
patent: 2004/0095500 (2004-05-01), Sato et al.
patent: 10-164377 (1998-06-01), None

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