An improved EZBC algorithm based on block bit length
<p>Abstract</p> <p>Embedded ZeroBlock Coding and context modeling (EZBC) algorithm has high compression performance. However, it consumes large amounts of memory space because an Amplitude Quadtree of wavelet coefficients and other two link lists would be built during the encoding...
| Main Authors: | , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
SpringerOpen
2011-01-01
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| Series: | EURASIP Journal on Advances in Signal Processing |
| Subjects: | |
| Online Access: | http://asp.eurasipjournals.com/content/2011/1/84 |
| _version_ | 1818111660134498304 |
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| author | Wang Wenda Zhang Li Wang Renlong Ruan Shuangchen Liu Chengxiang |
| author_facet | Wang Wenda Zhang Li Wang Renlong Ruan Shuangchen Liu Chengxiang |
| author_sort | Wang Wenda |
| collection | DOAJ |
| description | <p>Abstract</p> <p>Embedded ZeroBlock Coding and context modeling (EZBC) algorithm has high compression performance. However, it consumes large amounts of memory space because an Amplitude Quadtree of wavelet coefficients and other two link lists would be built during the encoding process. This is one of the big challenges for EZBC to be used in real time or hardware applications. An improved EZBC algorithm based on bit length of coefficients was brought forward in this article. It uses Bit Length Quadtree to complete the coding process and output the context for Arithmetic Coder. It can achieve the same compression performance as EZBC and save more than 75% memory space required in the encoding process. As Bit Length Quadtree can quickly locate the wavelet coefficients and judge their significance, the improved algorithm can dramatically accelerate the encoding speed. These improvements are also beneficial for hardware.</p> <p><b>PACS</b>: 42.30.Va, 42.30.Wb</p> |
| first_indexed | 2024-12-11T03:06:34Z |
| format | Article |
| id | doaj.art-fe63e72d663d4c0e81a7cdf189e38df4 |
| institution | Directory Open Access Journal |
| issn | 1687-6172 1687-6180 |
| language | English |
| last_indexed | 2024-12-11T03:06:34Z |
| publishDate | 2011-01-01 |
| publisher | SpringerOpen |
| record_format | Article |
| series | EURASIP Journal on Advances in Signal Processing |
| spelling | doaj.art-fe63e72d663d4c0e81a7cdf189e38df42022-12-22T01:22:57ZengSpringerOpenEURASIP Journal on Advances in Signal Processing1687-61721687-61802011-01-012011184An improved EZBC algorithm based on block bit lengthWang WendaZhang LiWang RenlongRuan ShuangchenLiu Chengxiang<p>Abstract</p> <p>Embedded ZeroBlock Coding and context modeling (EZBC) algorithm has high compression performance. However, it consumes large amounts of memory space because an Amplitude Quadtree of wavelet coefficients and other two link lists would be built during the encoding process. This is one of the big challenges for EZBC to be used in real time or hardware applications. An improved EZBC algorithm based on bit length of coefficients was brought forward in this article. It uses Bit Length Quadtree to complete the coding process and output the context for Arithmetic Coder. It can achieve the same compression performance as EZBC and save more than 75% memory space required in the encoding process. As Bit Length Quadtree can quickly locate the wavelet coefficients and judge their significance, the improved algorithm can dramatically accelerate the encoding speed. These improvements are also beneficial for hardware.</p> <p><b>PACS</b>: 42.30.Va, 42.30.Wb</p>http://asp.eurasipjournals.com/content/2011/1/84block bit-lengthzeroblockEZBCQuadtreeDWT |
| spellingShingle | Wang Wenda Zhang Li Wang Renlong Ruan Shuangchen Liu Chengxiang An improved EZBC algorithm based on block bit length EURASIP Journal on Advances in Signal Processing block bit-length zeroblock EZBC Quadtree DWT |
| title | An improved EZBC algorithm based on block bit length |
| title_full | An improved EZBC algorithm based on block bit length |
| title_fullStr | An improved EZBC algorithm based on block bit length |
| title_full_unstemmed | An improved EZBC algorithm based on block bit length |
| title_short | An improved EZBC algorithm based on block bit length |
| title_sort | improved ezbc algorithm based on block bit length |
| topic | block bit-length zeroblock EZBC Quadtree DWT |
| url | http://asp.eurasipjournals.com/content/2011/1/84 |
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