Image analysis – Image compression or coding – Pyramid – hierarchy – or tree structure
Reexamination Certificate
2006-10-24
2006-10-24
Chen, Wenpeng (Department: 2624)
Image analysis
Image compression or coding
Pyramid, hierarchy, or tree structure
C375S240240
Reexamination Certificate
active
07127117
ABSTRACT:
An image compression apparatus includes a tile specifying section specifying rectangular tiles having an arbitrary size with respect to an image, an image dividing section dividing the image using the specified rectangular tiles, a bit-plane decomposing section decomposing each of the specified tiles dividing the image into bit-planes, a bit-plane ordering section ordering the bit-planes decomposing each of the specified tiles depending on a coding sequence, a layer forming section forming layers by the ordered bit-planes, and a suppressing section suppressing a quantization rate of a region low relative to other regions of the image.
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Kodama Taku
Sakuyama Hiroyuki
Sano Yutaka
Chen Wenpeng
Oblon & Spivak, McClelland, Maier & Neustadt P.C.
Ricoh & Company, Ltd.
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