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Abstract

An imaging system produces an accurately colored representation of any desired land portion of the Earth's surface based on its measured red and near infra-red radiation. The land's image is composed of a set of pixels, each colored to represent the color of a corresponding area of the land. In the course of generating the image, the system classifies each area of the land based on scan data produced by satellites measuring red and near-infrared radiation from each area of the land. The system associates a color with each land class and colors the image pixel corresponding to each area of the land with the color associated with its class. The system allows an operator to supply input calibration data controlling the color associated with each class. Through an iterative process of adjusting the calibration data so as to make colors in the land image produced by the system conform to known colors of representative areas of that land, the operator can make the system produce an accurately colored image of the entire land. The system also generates a color classification display illustrating how it relates color to land classification. The color classification map display helps the operator to determine how to adjust the calibration data.

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First Claim