Image analysis – Image compression or coding – Including details of decompression
Reexamination Certificate
2008-12-15
2010-12-14
Ahmed, Samir A. (Department: 2624)
Image analysis
Image compression or coding
Including details of decompression
C382S238000, C382S245000, C382S246000, C382S250000, C341S065000, C341S067000
Reexamination Certificate
active
07853090
ABSTRACT:
An image representation format for representing a digital image including image information stored as a bitstream representing sequential image blocks, each block comprising one or more components, each component comprising one or more data units and each data unit being represented as a Huffman-coded stream of coefficients of basis functions, wherein a zeroth order coefficient is represented as a difference to the previous zeroth order coefficient of the corresponding component, and a block information table, which comprises: indicators to the first coefficient of a specified order of each image block in the bitstream, information indicating the number of bits in the bitstream between adjacent coefficients of the specified order of the image block, and the zeroth order coefficient of at least the first data unit of each component, the zeroth order coefficient being represented in a non-differential form.
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Johansson Karl-Anders
Niemi Sami
Stén Johan
Ahmed Samir A.
Bayat Ali
Finnegan Henderson Farabow Garrett & Dunner L.L.P.
Scalado AB
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