CN101106711A - 基于码率预分配的jpeg2000自适应率控制系统及方法 - Google Patents
基于码率预分配的jpeg2000自适应率控制系统及方法 Download PDFInfo
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Abstract
Description
| 码率/bpp | 本发明与JPEG2000标准算法比较结果 | ||
| ΔPSNR(dB) | 计算量减少率(%) | 存储量减少率(%) | |
| 2.01.00.50.250.125 | 000-0.10-0.17 | 43.655.565.572.477.6 | 6175.383.889.192.3 |
| 码率/bpp | 本发明与JPEG2000标准算法比较结果 | ||
| ΔPSNR(dB) | 计算量减少率(%) | 存储量减少率(%) | |
| 2.01.00.50.250.125 | -0.04-0.030-0.13-0.32 | 4048.55865.772.7 | 55.569.68188.192.6 |
| 码率/bpp | 本发明与JPEG2000标准算法比较结果 | ||
| ΔPSNR(dB) | 计算量减少率(%) | 存储量减少率(%) | |
| 2.01.00.50.250.125 | -0.05-0.02-0.03-0.14-0.21 | 52.9626974.979.9 | 6575.283.389.792.5 |
| 码率/bpp | 本发明与JPEG2000标准算法比较结果 | ||
| ΔPSNR(dB) | 计算量减少率(%) | 存储量减少率(%) | |
| 2.01.00.50.250.125 | 0-0.01-0.03-0.04-0.15 | 52.563.770.675.480.3 | 64.377.385.289.993 |
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| CN101867809A (zh) * | 2010-04-09 | 2010-10-20 | 中国科学院光电技术研究所 | 基于脉动阵列的高速图像压缩vlsi编码方法及编码器 |
| CN101365138B (zh) * | 2008-10-10 | 2010-12-08 | 中国航天科技集团公司第五研究院第五〇四研究所 | 一种jpeg2000图像压缩处理系统 |
| CN102186076A (zh) * | 2011-04-29 | 2011-09-14 | 中国科学院光电技术研究所 | 一种实时码率预分配的图像压缩方法及图像压缩装置 |
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| CN103118259A (zh) * | 2013-02-22 | 2013-05-22 | 南京信息工程大学 | 一种jpeg2000图像编码方法 |
| CN103152568A (zh) * | 2013-02-27 | 2013-06-12 | 西安理工大学 | 一种实时截断码流的jpeg2000编码方法及其实施系统 |
| CN103179396A (zh) * | 2013-03-04 | 2013-06-26 | 中国科学院长春光学精密机械与物理研究所 | 一种空间tdiccd相机应用的ccsds图像压缩码率控制系统及方法 |
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- 2007-07-05 CN CN 200710018190 patent/CN100534186C/zh not_active Expired - Fee Related
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| CN101867809A (zh) * | 2010-04-09 | 2010-10-20 | 中国科学院光电技术研究所 | 基于脉动阵列的高速图像压缩vlsi编码方法及编码器 |
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