Gray-Scale Linear Mapper (GLM) Tactical Environmental Support System (TESS (3)) Documentation
NAVAL OCEANOGRAPHIC AND ATMOSPHERIC RESEARCH LAB STENNIS SPACE CENTER MS
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The Gray-scale Linear Mapper GLM software module is a general purpose digital image processing function that permits the user to interactively change the linear intensity transformation of the input image. Most images contain a wide range of pixel values, whether they include clouds, ocean andor land scenes. Thus, assigning the available gray shades to the entire dynamic range of the image stretches the contrast and brightness to a limit that typically does not adequately enable the viewer to see the full detail inherent in the full precision of the image.
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