Image analysis – Image compression or coding – Pyramid – hierarchy – or tree structure
Reexamination Certificate
2002-07-04
2009-06-30
Do, Anh Hong (Department: 2624)
Image analysis
Image compression or coding
Pyramid, hierarchy, or tree structure
C382S232000, C382S233000
Reexamination Certificate
active
07555168
ABSTRACT:
The invention relates to a method for the coding an object having at leas two dimensions which is associated with a basic mesh comprising a set of basic surfaces and with coefficients in a base of wavelets corresponding to local modifications to said basic mesh. The inventive method delivers a global data flow that can be used to reconstruct the object. According to the invention, said wavelet coefficients are partitioned into at least two disjoint subsets each of which is encoded independently. Subsequently, positional data are inserted by the method into the global data flow which can be used to locate wavelet coefficients relative to a portion of the object in said global data flow, in such a way to enable a selective reconstruct of said portion using the coefficients of at least one said subsets.
REFERENCES:
patent: 5548700 (1996-08-01), Bagley et al.
patent: 5995668 (1999-11-01), Corset et al.
patent: 6674911 (2004-01-01), Pearlman et al.
patent: 6885774 (2005-04-01), Ammicht et al.
patent: WO 99 49412 (1999-09-01), None
“HTTP streaming of JPEG2000 images”, Proceedings International Conference on Information Technology; Coding and Computing, Apr. 2, 2001, pp. 15-19.
Do Anh Hong
France Telecom
Westman Champlin & Kelly P.A.
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