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Image retargeting is a technique to adapt an image to display on devices with different sizes and aspect ratios. When mobile devices with small displays are increasingly popular, it becomes important to retarget images that are intended for regular monitors to smaller mobile screens. Existing methods that retarget images to smaller devices, such as seam carving and warping, have some limitations: seam caving method may damage the integrity of the image, and warping method could fail when focus detection algorithm is not good. The target images obtained through the above algorithms often have obvious distortions. In this paper, we propose a new image retargeting method that combines seam caving and warping. This method preserves the advantage of warping in keeping focused areas of the image without discarding unfocused contents, and at the same time, uses seam finding scheme to address the problem of focus detection. The results of our experiment study on user preferences of retargeted images show that our approach is successful for image retargeting.

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