Improved histogram equalization for image contrast enhancement

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IMPROVED HISTOGRAM EQUALIZATION FOR IMAGE CONTRAST ENHANCEMENT SONAL RAJ, SASWAT RAJ, SANJAY KUMAR

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Transcript of Improved histogram equalization for image contrast enhancement

Page 1: Improved histogram equalization for image contrast enhancement

IMPROVED HISTOGRAM EQUALIZATION FOR IMAGE CONTRAST ENHANCEMENTSONAL RAJ, SASWAT RAJ, SANJAY KUMAR

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HISTOGRAM EQUALIZATION

Probability Density Function

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HISTOGRAM EQUALIZATION

Cumulative Distribution Function

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HISTOGRAM EQUALIZATION

Transform Function

Output Image

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BI-HISTOGRAM EQUALIZATION

Division into two images based on mean

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BI-HISTOGRAM EQUALIZATION

Probability Density Function

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BI-HISTOGRAM EQUALIZATION

Cumulative Distribution Function

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PROPOSED ALGORITHM

Modified Probability Density Function

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PROPOSED ALGORITHM

To compare 2 histograms

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THAT’S ALL THERE IS

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