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Dede Riley Intelligent_Resizing

Dede Riley Intelligent_Resizing - 1 of 29 Introduction...

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9/28/2011 1 INTELLIGENT IMAGE RESIZING DeDe Frederick & Jackie Riley Introduction Definition Intelligent Image Resizing Problem Goal Methods Seam Carving Bi-Directional Warping Optimized Scale-and-Stretch Automatic Image Retargeting Application Conclusion 1 of 29 Conclusion Application Methods Definition Introduction Definition Intelligent Image Resizing Resize Aspect ratio with content aware algorithms, emphasizing target areas of importance Eliminates areas of low importance Removes/Adds Pixels – Discrete Retargeting [Rubinstein et al., 2010] Warps/distorts regions – Continuous Retargeting 2 of 29 Original Discrete Continuous Image Source: Wang et al., 2008. Conclusion Application Methods Definition Introduction Definition 3 of 29 Conclusion Application Methods Definition Introduction Problem New technology and New challenges on digital media Found alternative solutions for web/design layouts Images/video remained constrained Image Source: http://randallcole.com/iPrint.aspx
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9/28/2011 2 Definition Problem Original Cropping Scaling Image Source: http://www.flickr.com/photos/chaddkh/ 4 of 29 Conclusion Application Methods Definition Introduction Cropping or scaling an image with a single important object works quite well. Image Source: http://www.flickr.com/photos/chaddkh/ 5 of 29 Resizing an image with multiple objects poses a problem Source: http://en.wikipedia.org/wiki/File:Youth-soccer- indiana.jpg 6 of 29 Cropping wont work because important objects may be lost Scaling the image will cause important features to get distorted or too small to be clearly identified Source: http://en.wikipedia.org/wiki/File:Youth-soccer-indiana.jpg 7 of 29
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