Multi-Histogram Equalization Methods for Contrast Enhancement and Brightness Preserving
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](https://reader036.fdocuments.net/reader036/viewer/2022062308/55c54b43bb61eb537c8b461b/html5/thumbnails/1.jpg)
IMPROVED HISTOGRAM EQUALIZATION FOR IMAGE CONTRAST ENHANCEMENTSONAL RAJ, SASWAT RAJ, SANJAY KUMAR
![Page 2: Improved histogram equalization for image contrast enhancement](https://reader036.fdocuments.net/reader036/viewer/2022062308/55c54b43bb61eb537c8b461b/html5/thumbnails/2.jpg)
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
![Page 7: Improved histogram equalization for image contrast enhancement](https://reader036.fdocuments.net/reader036/viewer/2022062308/55c54b43bb61eb537c8b461b/html5/thumbnails/7.jpg)
BI-HISTOGRAM EQUALIZATION
Cumulative Distribution Function
![Page 8: Improved histogram equalization for image contrast enhancement](https://reader036.fdocuments.net/reader036/viewer/2022062308/55c54b43bb61eb537c8b461b/html5/thumbnails/8.jpg)
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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