Removal of impulse noise from color images based on the localized image characteristics and noise level

被引：4
作者：
Pritamdas, K. [1 ]
Singh, Kh Manglem [2 ]
Singh, L. Lolitkumar [3 ]
机构：
[1] NIT Manipur, Dept Elect & Commun Engn, Imphal 795001, Manipur, India
[2] NIT Manipur, Dept Comp Sci & Engn, Imphal 795001, Manipur, India
[3] Mizoram Univ, Dept Elect & Commun Engn, Aizawl 796001, Mizoram, India
来源：
SIGNAL IMAGE AND VIDEO PROCESSING | 2018年 / 12卷 / 07期
关键词：
Vector median filter; Entropy; Impulse noise; Rank-conditioned; Threshold; FILTER;
D O I：
10.1007/s11760-018-1292-y
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The proposed method is a switching vector median filter that utilizes suitable noise detection and restoration algorithms for different impulse noise densities. It works in a multistage manner with an enhancing accuracy of noise detection in each successive stage. The processing window is initially categorized into a non-edge-window and an edge-window, depending on the scale of abrupt transitions. The non-edge-window is further verified to be a smooth-window or a disorder-window, whereas the edge-window is again confirmed to be noise-free or a noisy edge-window. The proposed method is simulated on a variety of medical images and other standard test images to prove its efficiency in detection of noise and restoration.
引用
收藏
页码：1377 / 1385
页数：9
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