Image analysis – Image compression or coding – Pyramid – hierarchy – or tree structure
Reexamination Certificate
2004-05-07
2010-10-19
Bali, Vikkram (Department: 2624)
Image analysis
Image compression or coding
Pyramid, hierarchy, or tree structure
C341S050000
Reexamination Certificate
active
07817869
ABSTRACT:
A multi-level transform generates descriptions containing compressed data that represents source data using a description generation operation and variable support filters for compaction at each level. The initial level filters the source data and each subsequent level operates on data filtered by a prior level. The description assignment and filtering at each level may vary to create different operating points for the multi-level transform. Each operating point may have a corresponding error recovery process. In one aspect, an error recovery process encodes additional descriptions that are combined with non-erroneous description data to provide error recovery of the data in missing or damaged descriptions. In another aspect, a multi-level transform is created by combining description generation and variable support filters at the various levels.
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Carrig, Jr. James J.
Miao Zhourong
Paniconi Marco
Bali Vikkram
Blakely , Sokoloff, Taylor & Zafman LLP
Sony Corporation
Sony Electronics Inc.
Yeh Eueng-Nan
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