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Example of Mach bands at the ends of gradients where the derivative of the luminance is discontinuous by CMG Lee. 1. Actual luminance profile 2. Perceived luminance profile 3. Smooth luminance profile
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This file contains additional information, probably added from the digital camera or scanner used to create or digitize it.
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Example of Mach bands at the ends of gradients where the derivative of the luminance is discontinuous by CMG Lee.
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Add smooth luminance profile as per http://commons.wikimedia.org/User_talk:Cmglee#Mach_Bands_gradient_overshoot
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150:3. Smooth luminance profile for comparison
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Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.