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Sand Art (Threshold)

Original image: www.flickr.com/photos/zaigee/1339165219/in/set-7215760194...

 

This image was created by taking the brightness of each pixel in the original image, comparing it to a threshold value, and then making each pixel black or white depending on whether the brightness was greater than or less than the threshold value.

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Uploaded on January 6, 2012
Taken on January 6, 2012