improved histogram equalization for image contrast enhancement
Post on 08-Aug-2015
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IMPROVED HISTOGRAM EQUALIZATION FOR IMAGE CONTRAST ENHANCEMENTSONAL RAJ, SASWAT RAJ, SANJAY KUMAR
HISTOGRAM EQUALIZATION
Probability Density Function
HISTOGRAM EQUALIZATION
Cumulative Distribution Function
HISTOGRAM EQUALIZATION
Transform Function
Output Image
BI-HISTOGRAM EQUALIZATION
Division into two images based on mean
BI-HISTOGRAM EQUALIZATION
Probability Density Function
BI-HISTOGRAM EQUALIZATION
Cumulative Distribution Function
PROPOSED ALGORITHM
Modified Probability Density Function
PROPOSED ALGORITHM
To compare 2 histograms
THAT’S ALL THERE IS
Thanks
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