Fast global motion estimation based on iteration least-square estimation with sustained symmetrical structure

Chen, Zhibo; Nie, Zhengang; Gu, Xiaodong; Zhu, Lei; Wang, C.

doi:10.1109/iscas.2006.1693678

2006 IEEE International Symposium on Circuits and Systems

DOI: 10.1109/iscas.2006.1693678

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Fast global motion estimation based on iteration least-square estimation with sustained symmetrical structure

Zhibo Chen¹,

Zhengang Nie²,

Xiaodong Gu³

et al.

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Cited by 3 publications

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Motion-Compensated Frame Prediction with Global Motion Estimation for Image Sequence Compression

Jiang

Dubois

2007

2007 Canadian Conference on Electrical and Computer Engineering

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Based on a perspective projection model of sixparameter camera motions, a novel motion-compensated frame prediction approach is presented, taking into consideration all types of camera motions including camera translations. With the assumption of a continuously changing scene-depth distribution, a block-based scaled-depth estimation technique is proposed for obtaining the scaled-depth map of the predicted frame. The motion-compensated predicting frame is generated by using the global camera rotation and translation parameters combined with the scaled block-depth map. Compared with traditional block matching algorithms (BMA), more accurate predicting frames are obtained with the proposed motion-compensated frame prediction approach. As a result of fewer parameters required for motion compensation and reduced prediction residues, this approach is potentially more efficient if applied in frame prediction for image sequence compression. Experimental results on test images demonstrate the effectiveness of the proposed approach, and also demonstrate its superior performance over the traditional BMA applied for motioncompensated frame prediction.

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Motion-Compensated Frame Prediction with Global Motion Estimation for Image Sequence Compression

Jiang

Dubois

2007

2007 Canadian Conference on Electrical and Computer Engineering

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Fixed-point auto-landing algorithm for UAV based on point tracking

et al. 2009

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Cubic-panorama image dataset compression for image-based virtual environment navigation

Jiang¹

2009

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Fast global motion estimation based on iteration least-square estimation with sustained symmetrical structure

Cited by 3 publications

References 6 publications

Motion-Compensated Frame Prediction with Global Motion Estimation for Image Sequence Compression

Motion-Compensated Frame Prediction with Global Motion Estimation for Image Sequence Compression

Fixed-point auto-landing algorithm for UAV based on point tracking

Cubic-panorama image dataset compression for image-based virtual environment navigation

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