Parameter Setting of Center Weighted Median Filter using HOG Feature Distance

2011 ◽  
Author(s):  
Mitsuharu Matsumoto
Keyword(s):  
Median Filter ◽  
Parameter Setting ◽  
Weighted Median ◽  
Weighted Median Filter

Upsampling of 16-Channel LiDAR Depth Data using Weighted Median Filter

2021 ◽  
Vol 27 (5) ◽  
pp. 356-363
Author(s):  
Hyun-Bin Lim ◽  
Eung-su Kim ◽  
Duk-Man Lee ◽  
Hee-Soo Kim ◽  
Soon-Yong Park
Keyword(s):  
Median Filter ◽  
Depth Data ◽  
Weighted Median ◽  
Weighted Median Filter

scholarly journals Wavelet-Based Weighted Median Filter For Image Denoising Of MRI Brain Images

2018 ◽  
Vol 10 (1) ◽  
pp. 201 ◽  
Author(s):  
N. Rajalakshmi ◽  
K. Narayanan ◽  
P. Amudhavalli
Keyword(s):  
Additive White Gaussian Noise ◽  
Median Filter ◽  
Wiener Filter ◽  
Brain Images ◽  
Visual Appearance ◽  
Mri Brain ◽  
Weighted Median ◽  
Weighted Median Filter ◽  
Mri Brain Images

<p>Preliminary diagnosing of MRI images from the hospital cannot be relied on because of the chances of occurrence of artifacts resulting in degraded quality of image, while others may be confused with pathology. Obtained MRI image usually contains limited artifacts. It becomes complex one for doctors in analyzing them. By increasing the contrast of an image, it will be easy to analyze. In order to find the tumor part efficiently MRI brain image should be enhanced properly. The image enhancement methods mainly improve the visual appearance of MRI images. The goal of denoising is to remove the noise, which may corrupt an image during its acquisition or transmission, while retaining its quality. In this paper effectiveness of seven denoising algorithms viz. median filter, wiener filter, wavelet filter, wavelet based wiener, NLM, wavelet based NLM, proposed wavelet based weighted median filter(WMF) using MRI images in the presence of additive white Gaussian noise is compared. The experimental results are analyzed in terms of various image quality metrics.</p>

The weighted median filter

1984 ◽  
Vol 27 (8) ◽  
pp. 807-818 ◽  
Author(s):  
D. R. K. Brownrigg
Keyword(s):  
Median Filter ◽  
Weighted Median ◽  
Weighted Median Filter

Optimization of the weighted median filter by learning

1991 ◽  
Vol 16 (3) ◽  
pp. 168 ◽  
Author(s):  
Akira Asano ◽  
Kazuyoshi Itoh ◽  
Yoshiki Ichioka
Keyword(s):  
Median Filter ◽  
Weighted Median ◽  
Weighted Median Filter
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