If you plan to create a mosaic, it is important to achieve proper color balance among all of the images that make up the output mosaic. When generating a mosaic, you often use color balancing to help hide tonal variations in the imagery. The color-balancing computation is highly sensitive to the features present in each of the input images. In many cases, the presence of extremely bright or dark areas can cause an over-compensation in the color balancing. Problem areas include bright urban areas, water, clouds, haze, and sometimes shadows.
In other instances, you may want to produce mosaics free of clouds and haze, and the shadows they create. Defining exclusion masks and including them in CATALYST Enterprise ensures that your output mosaic is free of these areas.
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