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Definition of "multispectral image" |
an image that contains information from more than one range of frequencies. In this sense, an RGB color image is multispectral in that it contains red, green, and blue information. More usually, multispectral refers to frequencies of such number and type that it presents difficulties in interpretation and display. Adding infrared, ultraviolet, and radar information to an RGB image creates a problem, since the data cannot be simply drawn on a display. The use of many frequencies also provides a wealth of information sometimes needed to make fine distinctions between regions in an image, especially in satellite imagery. |
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