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Dr. Ariel Shamir and Dr. Shai Avidan of the Efi Arazi School of Computer Science have presented at SIGGRAPH 2007 the greater digital image effect I’ve seen. “Seam carving” allows an image to be resized non-uniformly, so you can change the height to width ratio in the image without cropping. The algorithm looks for seams (not simple columns or rows) of pixels with the ‘least energy’ (least contrast / change in detail) both vertically and horizontally in the image and then uses this to enable resizing without losing important image content such as human subjects or other detail.…

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