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Efficient Image Stitching in the Presence of Dynamic Objects and Structure Misalignment

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Author(s): Chao Tao | Hanqiu Sun | Changcai Yang | Jinwen Tian

Journal: Journal of Signal and Information Processing
ISSN 2159-4465

Volume: 02;
Issue: 03;
Start page: 205;
Date: 2011;
Original page

Keywords: Image Stitching | Motion Estimate | Region Growing | Graph Cut

ABSTRACT
This paper presents a new method for simultaneously eliminating visual artifacts caused by moving objects and structure misalignment in image stitching. Given that the input images are roughly aligned, our approach is implemented in two stages. In the first stage, we discover motions between input images, and then extract their corresponding regions through a multi-seed based region growing algorithm. In the second stage, with prior information provided by the extracted regions, we perform a graph cut optimization in gradient-domain to determine which pixels to use from each image to achieve seamless stitching. Our method is simple to implement and effective. The experimental results illustrate that the proposed approach can produce comparable or superior results in comparison with state-of-the-art methods.
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