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Content Provider | IEEE Xplore Digital Library |
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Author | Chao Xu |
Copyright Year | 2005 |
Description | Author affiliation: Peking Univ., Beijing, China (Chao Xu) |
Abstract | For JPEG 2000 implementation in a low-cost circuit, it is important to reduce the sizes of the internal buffers and the numbers of external memory accesses, especially for DWT related parts. We present an EBCOT-based DWT technique that can produce the DWT coefficients strictly in the same sequence as to code them in EBCOT (embedded block coding with optimized truncation). The large buffer for coefficient transfer can be removed completely. With a specific row-overlapped Z-scan pattern to carry out DWT, the sizes of the internal buffers are reduced to only 1.7% or 2.9% at the cost of memory access increase of 2.7% or 5.5% for (5,3) or (9,7) wavelet filters respectively. |
Starting Page | 451 |
Ending Page | 452 |
File Size | 218193 |
Page Count | 2 |
File Format | |
ISBN | 0780388380 |
DOI | 10.1109/ICCE.2005.1429912 |
Language | English |
Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
Publisher Date | 2005-01-08 |
Publisher Place | USA |
Access Restriction | Subscribed |
Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
Subject Keyword | Discrete wavelet transforms Frequency Costs Transform coding Consumer electronics Tiles Buffer storage Chaos Circuits Filters |
Content Type | Text |
Resource Type | Article |
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