Researchers are developing visualization technologies that can "see" inside images, reducing search engines' reliance on text-based image tags that are easily manipulated. The image-processing software looks for "key patches" in an image to determine the relative positions of different shapes, such as tires and a car body, or a beach and ocean waves, to categorize the image's contents..The software can look for images similar to those it has already scanned and "knows"... "Technologies for image recognition and scene summarization are pioneering areas that we definitely find interesting, though currently they are in the early stages of development and not cost-effective for commercial purposes." : http://www.wired.com/news/technology/0,1282,66185,00.html?tw=newsletter_topstories_html

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