Image analysis – Image compression or coding – Pyramid – hierarchy – or tree structure
Reexamination Certificate
2005-08-23
2005-08-23
Do, Anh Hong (Department: 2624)
Image analysis
Image compression or coding
Pyramid, hierarchy, or tree structure
C382S239000, C382S248000
Reexamination Certificate
active
06934418
ABSTRACT:
An image data coding apparatus having a coding unit that generates coded data after generating a transform coefficient by implementing Wavelet transform on image data, includes: a storage unit that stores coded data which the coding unit generates by coding image data which have not been sub-sampled; an information obtaining unit that obtains compression-related information indicating a compression rate or a restored image quality; and a re-coding unit that changes a sub-sampling ratio of individual color components constituting the coded data stored in the storage unit in conformance to the compression-related information and generates new coded data.
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Do Anh Hong
Nikon Corporation
Oliff & Berridg,e PLC
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