Image Enhancement - Nubacad.com

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Gray-level Slicing Provides a binary image Gray level slicing is accomplished by highlighting a specific range of gray levels in an image by displaying a high value for all gray levels in the range of interest and a low value for all other gray levels. Applications: Enhancing features such as masses of water in satellite imagery and enhancing flaws in x- ray images. May 07, 2011 Dr. Al-Amin http://www.geocities.com/alamin_bhuiyan 9
Page 1 and 2: Image Enhancement Modify color or g
Page 3 and 4: Gray Level Transformation Function:
Page 5 and 6: Image Negatives • s = T(r) = L-1-
Page 7: Piece-wise Linear Gray-level Transf
Page 11 and 12: Histogram • The histogram of an i
Page 13 and 14: Histogram Equalization Redistributi
Page 15 and 16: Histogram Equalization … May 07,
Page 17 and 18: Enhancing using Arithmetic/Logic Op
Page 19 and 20: Image Subtraction Subtraction of tw

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