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Embedded block coding in JPEG 2000
DOI:10.1016/S0923-5965(01)00028-5.png)
Abstract
En 中文
This paper describes the embedded block coding algorithm at the heart of the JPEG 2000 image compression standard, The paper discusses key considerations which led to the development and adoption of this algorithm, and also investigates performance and complexity issues, The JPEG 2000 coding system achieves excellent compression performance, somewhat higher (and, in some cases, substantially higher) than that of SPIHT with arithmetic coding, a popular benchmark for comparison The algorithm utilizes the same low complexity binary arithmetic coding engine as JBIG2. Together with careful design of the bit-plane coding primitives, this enables comparable execution speed to that observed with the simpler variant of SPIHT without arithmetic coding. The coder offers additional advantages including memory locality, spatial random access and ease of geometric manipulation. (C) 2002 Elsevier Science B.V. All rights reserved.
Keywords:
JPEG 2000
image compression
scalable compression
embedded coding
bit-plane coding
arithmetic coding
wavelet transform
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