Searching graphics files via keywords can be tedious. Learn how to use image-matching technology to find images by matching shapes, patterns, colors, and textures.
by Chris Brant,
Tony DeYoung
October 21, 2002
arge collections of diverse images, graphics and video are becoming common, both on the Web and in media asset databases. As the size of the image collections expand, it becomes increasingly difficult to classify and find images matching specific criteria. Current image searches rely on keywords and proximity text to find relevant images. However, such searches invariably miss or misclassify content because they don't search the images (see the Sidebar: Why Text-based Image Searches Are Inadequate). Visual search rectifies that problem by matching color, shape, texture, and 3D shading directly within the image.
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arge collections of diverse images, graphics and video are becoming common, both on the Web and in media asset databases. As the size of the image collections expand, it becomes increasingly difficult to classify and find images matching specific criteria. Current image searches rely on keywords and proximity text to find relevant images. However, such searches invariably miss or misclassify content because they don't search the images (see the Sidebar: 
