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Local Contrast Enhancement using Local Standard Deviation

International Journal of Computer Applications
© 2012 by IJCA Journal
Volume 47 - Number 15
Year of Publication: 2012
S. Somorjeet Singh
Th. Tangkeshwar Singh
H. Mamata Devi
Tejmani Sinam

Somorjeet S Singh, Th. Tangkeshwar Singh, Mamata H Devi and Tejmani Sinam. Article: Local Contrast Enhancement using Local Standard Deviation. International Journal of Computer Applications 47(15):39-44, June 2012. Full text available. BibTeX

	author = {S. Somorjeet Singh and Th. Tangkeshwar Singh and H. Mamata Devi and Tejmani Sinam},
	title = {Article: Local Contrast Enhancement using Local Standard Deviation},
	journal = {International Journal of Computer Applications},
	year = {2012},
	volume = {47},
	number = {15},
	pages = {39-44},
	month = {June},
	note = {Full text available}


For a detailed visibility of an image, since only the global enhancement is not sufficient, local contrast enhancement plays a great role. One of the successful locally adaptive image contrast enhancement methods is by using Local Standard Deviation (LSD). The contrast enhancement using LSD is successfully used in many applications like in medical images, real time images, surveillance applications and many others. These types of applications employ a contrast factor which is divided by LSD. For such type of methods, limitation occurs when the LSD becomes zero. This limitation due to divide by zero can be overcome by adjusting the LSD to a modified value.


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