| H.264中一种新型算法的研究 |
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| 引用本文： | 李白萍,陈方飞.H.264中一种新型算法的研究[J].通信技术,2009,42(12):159-160. |
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| 作者姓名： | 李白萍 陈方飞 |
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| 作者单位： | 两安科技大学,通信与信息工程学院,陕西,西安,710054 |
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| 摘 要： | 提出一种快速实现H.264运动估计的算法。该算法在新三步搜索算法的基础上对搜索模板进行了改进,并采用了提前终止搜索策略。实验表明,该算法在保持图象质量和峰值信噪比基本不变的情况下大大减少了搜索点的数目,提高了运动估计的速度。因此,本算法可以有效的提高H.264的编码效率。
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| 关 键 词： | 运动估计 新三步搜索算法 峰值信噪比 |
Research and Implementation of An New Alogrithm in H.264 |
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| LI Bai-ping,Chen Fang-fei.Research and Implementation of An New Alogrithm in H.264[J].Communications Technology,2009,42(12):159-160. |
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| Authors: | LI Bai-ping Chen Fang-fei |
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| Affiliation: | (CoItege of Communication and Information Engineering, Xi＇an University of Science and Technology, Xi＇an Shaanxi 710054, China) |
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| Abstract: | A new fast motion estimation algorithm in H.264 is proposed to significantly improve the time efficiency. The algorithm uses in-advance termination strategy and achieves improvement on the new three-step search. Test results show that the proposed algorithm could greatly reduce the number of searching points and raise the speed of motion estimation while maintans the image and the PSNR. So the algorithm could improve the encoding efficiency of H.264. |
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| Keywords: | motion estimation new three-step search PSNR |
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