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| 基于达芬奇平台的视频编码器实现 | |
| 引用本文： | 王宏志,苏令华,王晓红,顾欣.基于达芬奇平台的视频编码器实现[J].计算机测量与控制,2011,19(5). |
| 作者姓名： | 王宏志 苏令华 王晓红 顾欣 |
| 作者单位： | 1. 空军大连通信士官学校,辽宁,大连,116600 2. 空军大连通信士官学校,辽宁,大连,116600;空军工程大学,电讯工程学院,陕西,西安,710077 3. 空军工程大学,电讯工程学院,陕西,西安,710077 |
| 基金项目： | 陕西省自然科学研究计划项目(2010JM8037); 中国博士后科学基金(20100471837) |
| 摘 要： | H.264协议是目前最先进的视频编码标准,高复杂度是算法推广的最大瓶颈;提出一种采用TI公司多媒体处理器Davinci TMS320DM6446为核心硬件平台的X264编码器实现方案,该方案采用了局部直方图平均差值进行参考帧数确定,运动估计采用小菱形搜索算法;实验结果标明,在保证图像质量条件下,编码器达到了CIF分辨率视频的准实时压缩要求。 |
| 关 键 词： | 达芬奇 H.264 局部直方图平均差值 视频编码 |
Implementation of Video Codec Based on Davinci Platform |
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| Wang Hongzhi,Su Linghua,Wang Xiaohong,Gu Xin.Implementation of Video Codec Based on Davinci Platform[J].Computer Measurement & Control,2011,19(5). | |
| Authors: | Wang Hongzhi Su Linghua Wang Xiaohong Gu Xin |
| Affiliation: | Wang Hongzhi1,Su Linghua1,2,Wang Xiaohong1,Gu Xin3(1.Dalian Communication Sergeant School of Air Force,Da lian 116600,China,2.Telecommunication Engineering Inst.,Air Force Engineering Univ.,Xi'an 710077,3.Northwest A&F Vniversty,Xi'an 712100,China) |
| Abstract: | H.264 is the most advanced video encoding standard,and its high complexity is the bottleneck in its applications.Based on the DSP of TI'S TMS320DM6446,a X264 encoder is designed.The local average difference of histogram is introduced to the amount determination of reference frames,and the little diamond search algorithm is used in the movement estimation process.Experiment results indicated that,quasi real time encoder of CIF video is achieved,while high image quality is preserved. |
| Keywords: | Davinci H 264 local average difference of histogram video encoding |
| 本文献已被 CNKI 万方数据 等数据库收录！ | |