Image Enhancement - Nubacad.com

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Enhancing using Arithmetic/Logic Operations May 07, 2011 Dr. Al-Amin http://www.geocities.com/alamin_bhuiyan 18
Image Subtraction Subtraction of two images result in a new image whose pixel at coordinates (x,y) is the difference between the pixels in that same location in the two images being subtracted. The difference between two images f(x,y) and h(x,y) is expresses by: g(x,y)= f(x,y) - h(x,y) May 07, 2011 Dr. Al-Amin http://www.geocities.com/alamin_bhuiyan 19
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 and 8: Piece-wise Linear Gray-level Transf
Page 9 and 10: Gray-level Slicing Provides a binar
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: Enhancing using Arithmetic/Logic Op

Image Enhancement - Nubacad.com

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