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The traditional methods of equalization based on the histogram increase the contrast of the images, at the expense of great changes in the average brightness of the image and loss of information, producing images with an unnatural appearance. Consequently, we desire to develop a technique of contrast enhancement that preserves the average brightness of the image and thus avoids the saturation levels...
A thermal image is obtained by a camera that is sensitive to the thermal variation of the environment. This sensitivity in most cases affects the quality of the image obtained. Therefore, it is very important to improve the quality of thermal images in terms of contrast and details. There are different contrast enhancement techniques which introduce minor distortions, preserving the proper brightness...
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