Fundamentals of digital image processing
Fundamentals of digital image processing
Digital image processing algorithms
Digital image processing algorithms
Nonlinear fuzzy operators for image processing
Proceedings of of the IEEE winter workshop on Nonlinear digital signal processing
Image enhancement and analysis with weighted medians
Nonlinear image processing
Two-dimensional Teager filters
Nonlinear image processing
Polynomial and rational operators for image processing and analysis
Nonlinear image processing
An image enhancement technique based on the FIRE operator
ICIP '95 Proceedings of the 1995 International Conference on Image Processing (Vol. 1)-Volume 1 - Volume 1
Robust anisotropic diffusion and sharpening of scalar and vector images
ICIP '97 Proceedings of the 1997 International Conference on Image Processing (ICIP '97) 3-Volume Set-Volume 1 - Volume 1
Exponential nonlinear Volterra filters for contrast sharpening in noisy images
ICASSP '96 Proceedings of the Acoustics, Speech, and Signal Processing, 1996. on Conference Proceedings., 1996 IEEE International Conference - Volume 04
Extended permutation filters and their application to edge enhancement
IEEE Transactions on Image Processing
Image enhancement via adaptive unsharp masking
IEEE Transactions on Image Processing
Weighted median image sharpeners for the World Wide Web
IEEE Transactions on Image Processing
Improving the Border Detection and Image Enhancement Algorithms in Tableau
ICIAR '08 Proceedings of the 5th international conference on Image Analysis and Recognition
Particle swarm based unsharp masking
Proceedings of the Seventh Indian Conference on Computer Vision, Graphics and Image Processing
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A novel technique for the sharpening of noisy images is presented. The proposed enhancement system adopts a simple piecewise linear (PWL) function in order to sharpen the image edges and to reduce the noise. Such effects can easily be controlled by varying two parameters only. The noise sensitivity of the operator is further decreased by means of an additional filtering step, which resorts to a nonlinear model too. Results of computer simulations show that the proposed sharpening system is simple and effective. The application of the method to contrast enhancement of color images is also discussed.