Invention Grant
US07062096B2 Apparatus and method for performing bitplane coding with reordering in a fine granularity scalability coding system 有权
用于在精细粒度可伸缩性编码系统中重新排序执行位平面编码的装置和方法

Apparatus and method for performing bitplane coding with reordering in a fine granularity scalability coding system
Abstract:
An apparatus and method for performing bitplane coding with reordering, that may be used in a Fine Granularity Scalability (FGS) system. The apparatus and method reorder coefficients each time after a bitplane is coded. By reordering, the apparatus and method separate the coefficients into two groups. When coding a bitplane, bits in the first group are copied into the bitstream, while the bits in the second group are subject to common run-length, VLC, or arithmetic coding. The apparatus and method may also be used with or in a conventional SNR, temporal and/or spatially scalable architectures, for example, as utilized within an MPEG-4 framework.
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