Seam Carving – The New Revolutinary Method To Resize Your Pictures

Maybe a new feature for Photoshop CS4? It gives the photograph and graphic designer a whole new palette of new possibilities.

Seam carving is an image resizing algorithm developed by Shai Avidan and Ariel Shamir. This algorithm alters the dimensions of an image not by scaling or cropping, but rather by intelligently removing pixels from (or adding pixels to) the image that carry little importance. Please watch the video to understand how fantastic that is:

The importance of a pixel is generally measured by its contrast when compared with its neighbor pixels, but other measures may be used. Additionally, it’s possible to define (or auto detect) areas of high importance (faces, buildings, etc.) in which pixels may not be deleted, and conversely, areas of zero importance which should be removed first. From this information, the algorithm detects seams (continuous lines of pixels joining opposite edges of the image) which have the lowest importance, and deletes those. This shrinks the image by one horizontal or vertical line, depending on which direction the seam ran.

With this technique, it’s now possible to reduce or enlarge pictures by a wide range, while still retaining details.

resizr.comOn you can already use this technique for your own use for free. Just upload your picture and resize it. Et voilà!

One of the developer started working last August for Adobe. So you can imagine that this technique might be a new feature for Photoshop CS4 :) . Or maybe it’s coming as a plugin for CS3 on the market.

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  1. avatar #1 - Pets For Sale Says:

    I have played around with Photoshop for years and it would be really cool if this was added into the next Creative Suite! There are many things I would like to do with images in which this would be a very useful tool.

  2. avatar #2 - Marycarmen Says:

    AWESOME!!!!!!!!!!!!!!!!!!!!!!!!!!!! Photoshop needs to have this AMAZING feature! Our lives will be so much easier with this Amazing tool! Thanks Alex for posting this. Great great video.

  3. avatar #3 - Alex Says:

    Hey Pet For Sale,

    you can already use this technique for free at . Check it out.

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