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metamerism |
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metamerismThe quality of some colors that causes them to appear differently under different light sources. For example, two color samples might appear the same in natural light, but not in artificial light. metamerism [mə′tam·ə‚riz·əm] (zoology) The condition of an animal body characterized by the repetition of similar segments (metameres), exhibited especially by arthropods, annelids, and vertebrates in early embryonic stages and in certain specialized adult structures. Also known as segmentation. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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This program's matching optimizer reportedly lets users customize formulations based on a variety of criteria including color differences for up to five illuminants, metamerism indices, curve fit, contrast ratio, and cost. When it comes to reproducing quality digital photos, Epson more than a year ago solved one of the most difficult technical challenges--high-quality black and white images without the effects of metamerism (a greenish effect on black and white photography). The gray ink also reduces the photo phenomenon known as metamerism where composite gray inks (achieved with combinations of cyan, magenta and yellow ink) make image areas look different under different lighting conditions (such as sunlight, fluorescent light and incandescent light). |
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