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Green CoW

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Graphic Designer
Graphic Designer
Liquid Rescaling/Seam Carving Tools

First some info about Liquid Rescaling/Seam Carving:
Wikipedia.org wrote:Seam carving, sometimes referred to as content aware image resizing is an algorithm for image resizing (primarily shrinking) developed by Shai Avidan and Ariel Shamir.
It seeks to avoid the drawbacks of other approaches to image resizing like cropping (where parts of the image are cut away in order to reduce the image size) and image scaling (which distorts the image contents if not done both horizontally and vertically by the same factor).
Seam Carving operates on "seams", i.e. sequences of orthogonally or diagonally adjacent pixels that run from one side of the image to the other, one per column (horizontal seams) or one per row (vertical seams). Removing all pixels in a seam reduces the height or width of the image by one row or column; repeated selection of seams to remove can achieve any amount of shrinking. Seam carving can be adapted to image enlargement by duplicating the pixels in a seam.
Results can be controlled by selecting seams; Avidan and Shamir adopted dynamic programming to extend the "best" seam starting at every pixel of an image edge, according to an "importance" function that represents the penalty for removing each pixel. The importance of a pixel is generally estimated by its contrast when compared with its neighbor pixels, but other measures may be used.
Additionally, it's possible to manually define protected areas in which pixels may not be removed (e.g. to leave important subjects untouched and affect background pixels only), or conversely to designate pixels that must be deleted (e.g. to remove whole objects from photographs along with an automatically computed part of the background).
It is possible with seam carving to scale pictures by a larger amount while still retaining details. In normal image scaling, scale factors greater than 2 or less than 0.5 usually result in visible image quality degradation. Seam carving artifacts usually consist of deformed objects (whenever seams are not uniformly distributed: smoother textures are deleted first) or of visibly damaged details (where seams affect high contrast areas).

Video about Liquid Rescaling




.....The Programs.....


Seam Carving GUI
http://code.google.com/p/seam-carving-gui/
Blog: http://gabeiscoding.com/

Seam Carving GUI is a little utility app that allows to you to intelligently resize an image without distorting the main element. You can also remove elements that you don’t want in the cropped version.


SCREENS:
Image 1
Before resize Screenshot
Retain/remove marked Screenshot
Retargeted Screenshot
-
Image 2
Before resize Screenshot
Marked remove Screenshot
Retargeted Screenshot




Resizor

Resizor is a free software for high-quality image resizing and re-targeting. Want to make a big picture smaller, or a small picture bigger - that's what Resizor is made for. It also features a recently published image re-targeting technique called seam carving. This allows you to change the size of the image without changing the content by removing areas of low importance. But Resizor also offers conventional resizing via resampling using a variety of filters.

(Download link was gone. the file is located at my host)
resizor_1_1.zip[1339 kB]

Screens:
Screenshot 1




Liquid Resize

Liquid Resize 0.60 lets you resize an image, but keeping all the original detail and quality and conserving proportions.
It also lets the user decide if they want a determined area to be left out of the resizing process that will affect the rest of the photo.


(Download link was gone. the file is located at my host)
Liquid Resize 0.60 [1940 kB]
Retarget_win.zip

Screens:
Screenshot 1



IntuImage

The more you work with images the more you realize that they are excessively big, often overloading your hard drive. To alleviate this problem they have created IntuImage, a free tool that works to resize images.
The program is able to reduce the width of the image without losing the original proportions. In other words, it keeps all the elements that are in the middle, so that the image doesn`t deform. It is all based on a method called “liquid rescaling” which maintains image quality.
IntuImage includes a drag and drop system. It is highly recommended for programmers, webmasters or anyone else who works with images, because of its effectiveness.

(Download link was gone. the file is located at my host)
IntuImage_04.rar
IntuImage [609 kB]

Screens:
Screenshot 1
Screenshot 2




VSO Image Resizer
http://www.vso-software.fr/products/image_resizer/

With this free resize image software, you can create e-mail friendly versions of your images, load them faster, move them easily from folder to folder, change their format, edit large numbers of image files/batch image resize and thus save space on your hard drive. Using high resolution 1600x1200 for creating wallpaper or file-sharing you can save your memory. VSO Image Resizer can also change file names using a template and you can add your own watermark with transparency support.
VSO Image resizer is integrated into the Windows explorer shell, right click on your pictures and start working on your pictures !
New resize method seam carving

---------------------------------------
Photoshop
For those who own a copy of Photoshop CS4, does already have this feature!
If don't know how to use it, then you should perhaps check out this video!


GIMP
For those who has GIMP should perhaps check out this video

Here's the link to the Liquid Rescale GIMP plugin

Nem

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Registered Member
Registered Member
Cool GC, hopefully this'll help some aspiring gfx designers Smile

http://www.graphics-post.com/forum

peterlee


Registered Member
Registered Member
Hi, GC.
I have only tried to
scale images but never tried to rescale images. Thanks for your nice sharing. It is be appreciated very much.



Best regards,
Arron

arianna143


Registered Member
Registered Member
Hi GC,

Just love this article and learn a lot of things that is really hard to find anywhere online.

http://www.61designstreet.com/

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