| 基于各向同性Sobel算子的H.264/AVC帧内预测模式选择算法 |
| |
| 引用本文： | 秦秀贵.基于各向同性Sobel算子的H.264/AVC帧内预测模式选择算法[J].山东教育学院学报,2008,23(5):95-97. |
| |
| 作者姓名： | 秦秀贵 |
| |
| 作者单位： | 山东大学计算机科学与技术学院,山东,济南,250100 |
| |
| 摘 要： | H.264/MPEG-4 AVC定义了9种4×4亮度块的预测模式,在参考模型JM中所采用的RDO计算复杂度较高。本文提出了一种基于各向同性Sobel算子的H.264的快速帧内编码模式选择算法,降低预测的复杂度,提高编码速度。测试表明,此算法能够使编码速度提高将近75%。
|
| 关 键 词： | 帧内预测 Sobel算子 各向同性Sobel算子 |
Sotropic Sobel Operator Based Mode Decision Algorithm for H.264/AVC Intra-Frame Prediction |
| |
| Qin Xiugui.Sotropic Sobel Operator Based Mode Decision Algorithm for H.264/AVC Intra-Frame Prediction[J].Journal of Shandong Education Institute,2008,23(5):95-97. |
| |
| Authors: | Qin Xiugui |
| |
| Institution: | Qin Xiugui(School of Computer Science , Technology,Sh,ong University,Jinan 250100,China) |
| |
| Abstract: | There are nine different modes for intra prediction of 4 × blocks in the H. 264/MPEG-4 AVC standard,Rate -distortion optimization（RDO） is employed to compute the RDCost in JM. In order to reduce the complexity, we proposed a Isotropie Sobel Operator Based Mode Decision algorithm. Experimental results show that without considering a little of performance degradation and bitrate increase, the encoding speeds up about 75%. |
| |
| Keywords: | Intra-frame Prediction Sobel operator Isotropic Sobel operator |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
