Open AccessJournal Article
A Fast Block-matching Motion Estimation Algorithm
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TL;DR: The new algorithm can reduce the computational complexity of the fast motion estimation and improve the efficiency of video compression code and gradient descent method to optimize the search to reduce computation resource.
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Abstract: A new fast and efficient search algorithm for block motion estimation is presented in this paper,The new algorithm can reduce the computational complexity of the fast motion estimation and improve the efficiency of video compression code. The algorithm accepts a multi-step search strategy,using motion vectors of the adjacent block to predict starting search point,using gradient descent method to optimize the search to reduce computation resource. For the area where optimal points located,a Diamond-Square Mask was used to carry out the refined search. Experimental results show that the proposed algorithm can reduce computational complexity efficiently,and at the same time while,ensuring the search accuracy.
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Video Coding Algorithm for Block Motion Estimation
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1
An effective matching algorithm in real-time video tracking
Xu Zhaohui,Tian Yan,Jianzhong Cao,Junxia Wei +3 more
- 30 Oct 2009
TL;DR: The algorithm presented not only reduced the computational complexity and improved the computational speed, but also ensured the search precision of correlation matching.
1
Binary Alpha-Plane Assisted Fast Motion Estimation Scheme of Video Object
Song Chuanming,Wang Xiang-hai,Zhang Fu-Yan +2 more
- 01 Jan 2008
TL;DR: The experimental results show that the BAAME scheme can always reach high motion estimation accuracy and better subjective quality for standard test video sequences, and can achieve 0.1~0.8dB higher prediction quality on average than DS and PSA.