Title	Contrast Enhancement Technique of Dark Blurred Image
Author	Naglaa Yehya Hassan, Norio Aakamatsu
Citation	Vol. 6  No. 2  pp. 223~226
Keywords	Digital image, sigmoid function, contrast enhancement, image processing and un-sharp masking.

Title	Simplification of Raster Images to Extract Visual Information
Author	Nebras N. Hasson, S. A. Aljunid, R. Badlishah Ahmad
Citation	Vol. 6  No. 11  pp. 49-52
Keywords	Document Analysis and Recognition, Line Drawings, Contrast Enhancement, Thinning.

Title	Fingerprint Feature Extraction Using Midpoint ridge Contour method and Neural Network
Author	Bhupesh Gour, T. K. Bandopadhyaya, Sudhir Sharma
Citation	Vol. 8  No. 7  pp. 99-103
Keywords	Minutiae, Segmentation, Image Normalization, Contrast Enhancement, midpoint ridge contour, multilayer Perceptron.

Title	Linear and Non-linear Contrast Enhancement Image
Author	Salem Saleh Al-amri, N.V.Kalyankar, S.D.Khamitkar
Citation	Vol. 10  No. 2  pp. 139-143
Keywords	Linear contrast enhancements, Non-Linear contrast enhancements