CN1878308A - 用于图像和视频压缩的正交变换方法 - Google Patents
用于图像和视频压缩的正交变换方法 Download PDFInfo
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- CN1878308A CN1878308A CN 200610031951 CN200610031951A CN1878308A CN 1878308 A CN1878308 A CN 1878308A CN 200610031951 CN200610031951 CN 200610031951 CN 200610031951 A CN200610031951 A CN 200610031951A CN 1878308 A CN1878308 A CN 1878308A
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Abstract
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图像 | 压缩5倍 | 压缩10倍 | 压缩20倍 | |||
D | DCT8 | D | DCT8 | D | DCT8 | |
Lena | 40.40 | 39.86 | 37.09 | 36.71 | 33.40 | 33.51 |
Hat | 41.29 | 40.62 | 37.31 | 37.21 | 33.27 | 33.25 |
Flower | 34.45 | 33.55 | 29.46 | 29.24 | 25.80 | 25.99 |
Baboon | 29.82 | 29.10 | 25.61 | 25.51 | 22.65 | 22.81 |
Barbara | 37.45 | 37.07 | 31.56 | 31.38 | 26.81 | 26.51 |
Boat | 42.14 | 42.11 | 39.36 | 39.59 | 34.99 | 35.54 |
Couple | 46.39 | 46.89 | 43.26 | 43.13 | 38.67 | 38.60 |
Crowd | 27.75 | 27.12 | 23.62 | 23.80 | 20.38 | 20.60 |
Girl | 42.09 | 41.62 | 38.71 | 38.18 | 35.17 | 35.13 |
Jet | 40.82 | 40.21 | 36.62 | 36.34 | 32.30 | 32.30 |
Loco | 35.89 | 34.83 | 30.77 | 30.37 | 27.04 | 27.19 |
Martha | 41.55 | 41.60 | 38.02 | 38.03 | 34.64 | 34.86 |
Pepper | 38.88 | 38.50 | 36.34 | 36.11 | 33.81 | 33.61 |
平均 | 38.38 | 37.99 | 34.44 | 34.28 | 30.69 | 30.76 |
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CNB2006100319510A CN100409693C (zh) | 2006-07-13 | 2006-07-13 | 用于图像和视频压缩的正交变换方法 |
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CNB2006100319510A CN100409693C (zh) | 2006-07-13 | 2006-07-13 | 用于图像和视频压缩的正交变换方法 |
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CN1878308A true CN1878308A (zh) | 2006-12-13 |
CN100409693C CN100409693C (zh) | 2008-08-06 |
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101984664A (zh) * | 2010-09-09 | 2011-03-09 | 湖南华冠数码科技有限公司 | 用于图像和视频压缩编码和解码中的多进小波变换方法及应用 |
CN101754021B (zh) * | 2009-12-18 | 2011-09-28 | 江苏省烟草公司常州市公司 | 基于改进小波变换图像压缩方法实现手机移动门户的方法 |
CN101742054B (zh) * | 2008-11-14 | 2013-02-13 | 北京中星微电子有限公司 | 编码方法及装置、解码方法及装置 |
CN103988508A (zh) * | 2011-12-19 | 2014-08-13 | 索尼公司 | 图像处理设备和方法 |
CN107196660A (zh) * | 2017-04-24 | 2017-09-22 | 南京数维康信息科技有限公司 | 低功耗数据压缩算法 |
CN108810536A (zh) * | 2011-11-07 | 2018-11-13 | 佳能株式会社 | 图像编码设备 |
CN111556313A (zh) * | 2020-04-26 | 2020-08-18 | 武汉理工大学 | 基于整数近似的低复杂度dtt与自适应量化的图像压缩方法 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6757429B2 (en) * | 2001-02-21 | 2004-06-29 | Boly Media Communications Inc. | Method of compressing digital images |
CN1209917C (zh) * | 2003-03-28 | 2005-07-06 | 清华大学 | 基于“空间组合推举体制”小波变换ip核的集成电路 |
WO2005008595A1 (en) * | 2003-07-21 | 2005-01-27 | Tubitak-Bilten (Turkiye Bilimsel Ve Teknik Arastirma Kurumu-Bilgi Teknolojileri Ve Elektronik Arastirma Enstitusu) | Implementation of the jpeg2000 compression algorithm in hardware |
CN1281066C (zh) * | 2004-05-27 | 2006-10-18 | 复旦大学 | 一种三维小波等级树集合划分算法的视频压缩编码方法 |
CN1276391C (zh) * | 2004-06-18 | 2006-09-20 | 王国秋 | 基于小波变换的图像压缩方法 |
-
2006
- 2006-07-13 CN CNB2006100319510A patent/CN100409693C/zh not_active Expired - Fee Related
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101742054B (zh) * | 2008-11-14 | 2013-02-13 | 北京中星微电子有限公司 | 编码方法及装置、解码方法及装置 |
CN101754021B (zh) * | 2009-12-18 | 2011-09-28 | 江苏省烟草公司常州市公司 | 基于改进小波变换图像压缩方法实现手机移动门户的方法 |
CN101984664A (zh) * | 2010-09-09 | 2011-03-09 | 湖南华冠数码科技有限公司 | 用于图像和视频压缩编码和解码中的多进小波变换方法及应用 |
CN101984664B (zh) * | 2010-09-09 | 2013-03-20 | 王国秋 | 用于图像和视频压缩编码和解码中的多进小波变换方法及应用 |
CN108810536A (zh) * | 2011-11-07 | 2018-11-13 | 佳能株式会社 | 图像编码设备 |
CN103988508A (zh) * | 2011-12-19 | 2014-08-13 | 索尼公司 | 图像处理设备和方法 |
CN103988508B (zh) * | 2011-12-19 | 2018-10-12 | 索尼公司 | 图像处理设备和方法 |
CN107196660A (zh) * | 2017-04-24 | 2017-09-22 | 南京数维康信息科技有限公司 | 低功耗数据压缩算法 |
CN111556313A (zh) * | 2020-04-26 | 2020-08-18 | 武汉理工大学 | 基于整数近似的低复杂度dtt与自适应量化的图像压缩方法 |
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