Improvement of electronic image stabilization algorithm based on bit-plane matching

Computer Engineering and Applications ›› 2011, Vol. 47 ›› Issue (28): 179-181.

• 图形、图像、模式识别 • Previous Articles Next Articles

Improvement of electronic image stabilization algorithm based on bit-plane matching

SONG Wanli，ZHANG Zhuan，LIAN Mingchao

Institute of Electronic Circuit and Information System，Department of Information Science & Electronic Engineering，Zhejiang University，Hangzhou 310027，China

Received:1900-01-01 Revised:1900-01-01 Online:2011-10-01 Published:2011-10-01

位平面匹配的电子稳像算法的改进

宋万里，章专，连明超

浙江大学信息与电子工程学系电子电路与信息系统研究所，杭州 310027

Abstract

Abstract: Aiming at the bit-plane algorithm’s defect of hardly estimating the rotational motion among video images，an improved electronic image stabilization is presented.The translational motion between image sequences is calculated and compensated based on bit-plane algorithm with diamond search strategy.Near the side of the image，several blocks with distinguishing characteristic are selected by Laplacian transform，the potential rotational motion is also calcu1ated and compensated by block matching algorithm.Through theoretical analysis and simulation experiments，the improved method satisfies the real-time demand，and has the better accuracy of image stabilization in rotational motion than former.

Key words: electronic image stabilization, bit-plane, block matching, rotational motion

摘要： 针对位平面匹配算法很难对视频图像中存在的旋转运动进行估计的缺陷，提出了一种改进的电子稳像算法。该算法采用钻石搜索策略的位平面法来估计并补偿视频图像序列间的平移运动，对参考帧图像进行拉普拉斯变换，在靠近图像边缘处选取若干个特征小块与当前帧进行块匹配，进一步计算并补偿其可能存在的旋转运动。通过理论分析和实验仿真表明：在处理存在旋转运动的视频图像时，改进后的算法在满足实时性的同时提高了稳像精度。

关键词: 电子稳像, 位平面法, 块匹配, 旋转运动

SONG Wanli，ZHANG Zhuan，LIAN Mingchao. Improvement of electronic image stabilization algorithm based on bit-plane matching[J]. Computer Engineering and Applications, 2011, 47(28): 179-181.

宋万里，章专，连明超. 位平面匹配的电子稳像算法的改进[J]. 计算机工程与应用, 2011, 47(28): 179-181.

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Improvement of electronic image stabilization algorithm based on bit-plane matching

位平面匹配的电子稳像算法的改进

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