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Fast digital image stabilizer based on Gray-coded bit-plane matching

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4 Author(s)
Sung-Jea Ko ; Dept. of Electron. Eng., Korea Univ., Seoul, South Korea ; Sung-Hee Lee ; Seung-Won Jeon ; Eui-Sung Kang

A fast digital image stabilizer based on the Gray-coded bit-plane matching is proposed which is robust to irregular conditions such as moving objects and intentional panning. The proposed digital image stabilization (DIS) system performs motion estimation using the Gray-coded bit-plane of video sequences, greatly reducing the computational load. This motion estimation method can be realized using only binary Boolean functions which have significantly reduced computational complexity, while the accuracy of motion estimation is maintained. In order to further improve the computational efficiency, the Gray-coded bit-plane matching with the three-step search (3SS) is proposed. Experimental results indicate that the proposed digital image stabilizer is a computationally efficient alternative to existing DIS systems

Published in:

IEEE Transactions on Consumer Electronics  (Volume:45 ,  Issue: 3 )