Image processing method, apparatus and storage medium

Details Image processing method, apparatus and storage medium Image processing method, apparatus and storage medium

2005-04-12

2005-04-12

Boudreau, Leo (Department: 2621)

Image analysis

Image compression or coding

Adaptive coding

C382S240000

Reexamination Certificate

active

06879726

ABSTRACT:
An image processing apparatus includes a wavelet transformation unit for wavelet-transforming input image data on a per-image basis, and an encoder for changing transformation coefficients, which have been obtained by the transformation, to bit planes from higher- to lower-order bits, and encoding the bit planes one bit plane at a time. A code-quantity prediction unit determines whether all encoded data of each of the image data that have been encoded can be stored in the memory when the encoded data obtained by the encoder is stored in the memory image by image. If all of the encoded data cannot be stored, the encoded data that overflows the memory is divided and the divided encoded data is stored in the memory by writing the divided encoded data equally over storage areas of the lower-order bit planes of each of the image.

REFERENCES:
patent: 6101282 (2000-08-01), Hirabayashi et al.
patent: 6229926 (2001-05-01), Chui et al.
patent: 6233355 (2001-05-01), Kajiwara

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