Constrained sampling for image retargeting | IEEE Conference Publication | IEEE Xplore

Constrained sampling for image retargeting


Abstract:

In this paper, we present a new approach for retargeting large images to mobile devices with small screens. As the core of image retargeting, information fidelity is adeq...Show More

Abstract:

In this paper, we present a new approach for retargeting large images to mobile devices with small screens. As the core of image retargeting, information fidelity is adequately considered in terms of reservations of salient regions, edge integrity, and image layout. By taking these aspects as constraints, image retargeting is formulated as a constrained sampling task. Each pixel in image is first represented with a vector encoding the constraints. Then, pixels with the same vector values combine to form blocks, and the original image is thus converted into a graph representation. Thereafter, the sampling ratio of each block is determined with a balanced minimum cost flow algorithm. Final result is generated by an interpolated sampling scheme and direct scaling. Experiments demonstrate the effectiveness of the proposed approach.
Date of Conference: 23 June 2008 - 26 April 2008
Date Added to IEEE Xplore: 26 August 2008
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Conference Location: Hannover, Germany

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