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Optical flow for large motion using gradient technique

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Author(s): Sarker Hossain Mosharrof | Bechkoum Kamal | Islam K.K.

Journal: Serbian Journal of Electrical Engineering
ISSN 1451-4869

Volume: 3;
Issue: 1;
Start page: 103;
Date: 2006;
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Keywords: motion estimation | large motion | optic flow

ABSTRACT
In this paper, we present the gradient-based optical flow method that estimates the two-dimensional velocity of object motion. a multi-resolution smoothing operation proposes in this paper as a pre-processing step for overcoming the difficulty of large motion estimation by gradient-based optical flow techniques. the effectiveness of the proposed method has confirmed by applying image sequence of large motion experimental results with an image sequence show a qualitative improvement.
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