A Computational Approach to Edge Detection
IEEE Transactions on Pattern Analysis and Machine Intelligence
Adaptive fuzzy systems and control: design and stability analysis
Adaptive fuzzy systems and control: design and stability analysis
Detail-preserving median based filters in image processing
Pattern Recognition Letters
Digital Image Processing
A New Efficient Impulse Detection Algorithm for the Removal of Impulse Noise
IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences
A novel edge detection method based on the maximizing objective function
Pattern Recognition
Impulse noise reduction in medical images with the use of switch mode fuzzy adaptive median filter
Digital Signal Processing
A fuzzy rule based adaptive centre weighted median filter
International Journal of Computer Applications in Technology
Fuzzy vector directional filters for multichannel image denoising
CIARP'07 Proceedings of the Congress on pattern recognition 12th Iberoamerican conference on Progress in pattern recognition, image analysis and applications
Efficient removal of impulse noise from digital images
IEEE Transactions on Consumer Electronics
Tri-state median filter for image denoising
IEEE Transactions on Image Processing
Noise adaptive soft-switching median filter
IEEE Transactions on Image Processing
Selective removal of impulse noise based on homogeneity level information
IEEE Transactions on Image Processing
IEEE Transactions on Image Processing
Fuzzy Two-Step Filter for Impulse Noise Reduction From Color Images
IEEE Transactions on Image Processing
A New Fuzzy Color Correlated Impulse Noise Reduction Method
IEEE Transactions on Image Processing
Restoration of images corrupted by Gaussian and uniform impulsive noise
Pattern Recognition
Modified switching median filter for impulse noise removal
Signal Processing
Two-step fuzzy logic-based method for impulse noise detection in colour images
Pattern Recognition Letters
Dictionary learning based impulse noise removal via L1-L1 minimization
Signal Processing
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A novel fuzzy reasoning-based directional median filter is proposed to remove the random-value impulse noise efficiently. In the proposed filter, the differences between the current pixel and the neighbors aligning with four edge directions are applied with fuzzy reasoning technique such that the current pixel is determined as one of three types of pixels: impulse noise pixel, detailed pixel and noise-free pixel. This paper also proposes a simple approach to determine the edge and line direction in the current sliding window while the current pixel is detected as a noise in the detailed region. With the acquired information of the edge direction, the proposed directional median filter can remove the impulse noise and preserve the detail simultaneously. The simulation results show that the proposed filter outperforms several existing filter schemes for impulse noise removal in an image.