Fast algorithm for subpixel-accuracy image stabilization for digital film and video

Cigdem Eroglu; A. Tanju Erdem

doi:10.1117/12.298390

9 January 1998 Fast algorithm for subpixel-accuracy image stabilization for digital film and video

Cigdem Eroglu, A. Tanju Erdem

Proceedings Volume 3309, Visual Communications and Image Processing '98; (1998) https://doi.org/10.1117/12.298390
Event: Photonics West '98 Electronic Imaging, 1998, San Jose, CA, United States

Abstract

This paper introduces a novel method for subpixel accuracy stabilization of unsteady digital films and video sequences. The proposed method offers a near-closed-form solution to the estimation of the global subpixel displacement between two frames, that causes the misregistration of them. The criterion function used is the mean-squared error over the displaced frames, in which image intensities at subpixel locations are evaluated using bi-linear interpolation. The proposed algorithm is both faster and more accurate than the search-based solutions found in the literature. Experimental results demonstrate the superiority of the proposed method to the spatio-temporal differentiation and surface fitting algorithms, as well. Furthermore, the proposed algorithm is designed so that it is insensitive to frame-to-frame intensity variations. It is also possible to estimate any affine motion between two frames by applying the proposed algorithm on three non-collinear points in the unsteady frame.

Citation Download Citation

Cigdem Eroglu and A. Tanju Erdem "Fast algorithm for subpixel-accuracy image stabilization for digital film and video", Proc. SPIE 3309, Visual Communications and Image Processing '98, (9 January 1998); https://doi.org/10.1117/12.298390

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