CN1741612A - 一种用于视频图像编码过程中的量化方法 - Google Patents
一种用于视频图像编码过程中的量化方法 Download PDFInfo
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- CN1741612A CN1741612A CN 200510060793 CN200510060793A CN1741612A CN 1741612 A CN1741612 A CN 1741612A CN 200510060793 CN200510060793 CN 200510060793 CN 200510060793 A CN200510060793 A CN 200510060793A CN 1741612 A CN1741612 A CN 1741612A
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Abstract
Description
Qm | 量化器改进前指令执行时钟周期 | 量化器改进后 | 省时百分比 | ||
移位运算次数 | 加法运算次数 | 指令执行时钟周期 | |||
0 | 16×(140+2+3)=2320 | 3×4+2×4+1×8=28 | 3×4+2×4+1×8=28 | 28×2+28×3=140 | 93.97% |
1 | 2×4+2×4+2×8=32 | 2×4+2×4+2×8=32 | 32×2+32×3=160 | 93.10% | |
2 | 2×4+1×4+3×8=36 | 2×4+1×4+3×8=36 | 36×2+36×3=180 | 92.24% | |
3 | 2×4+2×4+2×8=32 | 2×4+2×4+2×8=32 | 32×2+32×3=160 | 93.10% | |
4 | 1×4+2×4+2×8=28 | 1×4+2×4+2×8=28 | 28×2+28×3=140 | 93.97% | |
5 | 2×4+2×4+2×8=32 | 2×4+2×4+2×8=32 | 32×2+32×3=160 | 93.10% |
4×4矩阵中位置 | 改进前面积 | 改进后面积 | 资源节省百分比 |
(0,0)、(2,0)、(2,2)、(0,2) | 18,032 | 6,582 | 63.5% |
(1,1)、(1,3)、(3,1)、(3,3) | 2,0310 | 7,574 | 62.7% |
其它位置 | 1,8092 | 8,083 | 55.3% |
4×4矩阵中位置 | 改进前功耗(mW) | 改进后功耗(mW) | 功耗节省百分比 |
(0,0)、(2,0)、(2,2)、(0,2) | 30.19 | 10.15 | 66.3% |
(1,1)、(1,3)、(3,1)、(3,3) | 34.34 | 11.94 | 65.2% |
其它位置 | 30.32 | 12.81 | 57.8% |
Qm | 改进前面积 | 改进后面积 | 平均节省百分比 | ||||
(0,0)、(2,0)、(2,2)、(0,2) | (1,1)、(1,3)、(3,1)、(3,3) | 其它位置 | (0,0)、(2,0)、(2,2)、(0,2) | (1,1)、(1,3)、(3,1)、(3,3) | 其它位置 | ||
0 | 12,668 | 13,912 | 9,749 | 3,792 | 2,944 | 1,360 | 75.2% |
1 | 11,427 | 10,888 | 9,750 | 2,545 | 3,020 | 2,924 | |
2 | 10,548 | 9,81313,596 | 11,666 | 2,621 | 1,434 | 3,985 | |
3 | 10,103 | 13,596 | 9,710 | 2,698 | 3,117 | 2,698 | |
4 | 1,431 | 12,804 | 13,064 | 1,267 | 3,117 | 2,774 | |
5 | 10,438 | 12,285 | 12,944 | 2,774 | 2,850 | 2,814 |
Qm | 改进前功耗(mW) | 改进后功耗(mW) | 平均节省百分比 | ||||
(0,0)、(2,0)、(2,2)、(0,2) | (1,1)、(1,3)、(3,1)、(3,3) | 其它位置 | (0,0)、(2,0)、(2,2)、(0,2) | (1,1)、(1,3)、(3,1)、(3,3) | 其它位置 | ||
0 | 21.24 | 22.82 | 14.94 | 6.22 | 4.71 | 1.95 | 76.3% |
1 | 18.87 | 18.81 | 16.46 | 3.98 | 4.83 | 4.49 | |
2 | 17.73 | 15.8 | 19.74 | 4.19 | 2.14 | 6.54 | |
3 | 16.98 | 20.37 | 16.47 | 4.31 | 4.89 | 4.23 | |
4 | 2.15 | 21.47 | 21.39 | 1.85 | 4.89 | 4.45 | |
5 | 17.3 | 21.04 | 20.71 | 4.35 | 4.50 | 4.48 |
测试序列 | 纹理特征 | 平均率失真误差 | 绝对平均率失真误差 | 最大率失真误差 | 绝对最大率失真误差 | |
CIF | Foreman | 运动较剧烈 | -0.0064 | 0.0222 | 0.0739 | 0.0745 |
Mother anddaughter | 运动平和 | 0.0017 | 0.0152 | 0.0573 | 0.0573 | |
Coastguard | 运动小,镜头平移 | -0.0051 | 0.0161 | 0.0378 | 0.1073 | |
Sign_Irene | 手部运动丰富 | -0.0022 | 0.0160 | 0.0435 | 0.0650 | |
QCIF | carphone | 运动略快,背景较复杂 | -0.0095 | 0.0246 | 0.0448 | 0.1047 |
Missa | 运动小、慢,背景简单 | -0.0079 | 0.0315 | 0.1173 | 0.1336 |
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CNB2005100607937A CN100405848C (zh) | 2005-09-16 | 2005-09-16 | 一种用于视频图像编码过程中的量化方法 |
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CNB2005100607937A CN100405848C (zh) | 2005-09-16 | 2005-09-16 | 一种用于视频图像编码过程中的量化方法 |
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CN1741612A true CN1741612A (zh) | 2006-03-01 |
CN100405848C CN100405848C (zh) | 2008-07-23 |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101854532A (zh) * | 2010-05-25 | 2010-10-06 | 无锡中星微电子有限公司 | 一种视频编码装置及方法 |
CN101854535B (zh) * | 2009-03-31 | 2011-10-05 | 郑州大学 | 嵌入式视频编码器量化方法 |
CN102610222B (zh) * | 2007-02-01 | 2014-08-20 | 缪斯亚米有限公司 | 音乐转录的方法,***和装置 |
CN105898312A (zh) * | 2007-10-05 | 2016-08-24 | 汤姆逊许可公司 | 用于视频编解码中速率控制精度的方法和装置 |
WO2021004155A1 (zh) * | 2019-07-10 | 2021-01-14 | Oppo广东移动通信有限公司 | 图像分量预测方法、编码器、解码器以及存储介质 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1225126C (zh) * | 2002-10-09 | 2005-10-26 | 中国科学院计算技术研究所 | 用于视频编码的新型空间预测方法及其装置 |
JP4617644B2 (ja) * | 2003-07-18 | 2011-01-26 | ソニー株式会社 | 符号化装置及び方法 |
CN1286322C (zh) * | 2004-08-06 | 2006-11-22 | 联合信源数字音视频技术(北京)有限公司 | 一种低复杂度整数4×4离散余弦变换量化实现方法 |
-
2005
- 2005-09-16 CN CNB2005100607937A patent/CN100405848C/zh not_active Expired - Fee Related
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102610222B (zh) * | 2007-02-01 | 2014-08-20 | 缪斯亚米有限公司 | 音乐转录的方法,***和装置 |
CN105898312A (zh) * | 2007-10-05 | 2016-08-24 | 汤姆逊许可公司 | 用于视频编解码中速率控制精度的方法和装置 |
CN101854535B (zh) * | 2009-03-31 | 2011-10-05 | 郑州大学 | 嵌入式视频编码器量化方法 |
CN101854532A (zh) * | 2010-05-25 | 2010-10-06 | 无锡中星微电子有限公司 | 一种视频编码装置及方法 |
CN101854532B (zh) * | 2010-05-25 | 2012-12-19 | 无锡中星微电子有限公司 | 一种视频编码装置及方法 |
WO2021004155A1 (zh) * | 2019-07-10 | 2021-01-14 | Oppo广东移动通信有限公司 | 图像分量预测方法、编码器、解码器以及存储介质 |
US11509901B2 (en) | 2019-07-10 | 2022-11-22 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Method for colour component prediction, encoder, decoder and storage medium |
US11909979B2 (en) | 2019-07-10 | 2024-02-20 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Method for colour component prediction, encoder, decoder and storage medium |
US11930181B2 (en) | 2019-07-10 | 2024-03-12 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Method for colour component prediction, encoder, decoder and storage medium |
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