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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