scholarly journals Mixed-Model Noise Removal in 3D MRI via Rotation-and-Scale Invariant Non-Local Means

Author(s):  
Xiangyuan Liu ◽  
Quansheng Liu ◽  
Zhongke Wu ◽  
Xingce Wang ◽  
Jose Pozo Sole ◽  
...  
2014 ◽  
Vol 74 (15) ◽  
pp. 5533-5556 ◽  
Author(s):  
Muhammad Sharif ◽  
Ayyaz Hussain ◽  
Muhammad Arfan Jaffar ◽  
Tae-Sun Choi

2011 ◽  
Vol 47 (20) ◽  
pp. 1125 ◽  
Author(s):  
W.L. Zeng ◽  
X.B. Lu
Keyword(s):  

2017 ◽  
Vol 77 (15) ◽  
pp. 20065-20086 ◽  
Author(s):  
Asem Khmag ◽  
Syed Abdul Rahman Al Haddad ◽  
Ridza Azri Ramlee ◽  
Noraziahtulhidayu Kamarudin ◽  
Fahad Layth Malallah

2020 ◽  
Vol 13 (4) ◽  
pp. 14-31
Author(s):  
Nikita Joshi ◽  
Sarika Jain ◽  
Amit Agarwal

Magnetic resonance (MR) images suffer from noise introduced by various sources. Due to this noise, diagnosis remains inaccurate. Thus, removal of noise becomes a very important task when dealing with MR images. In this paper, a denoising method has been discussed that makes use of non-local means filter and discrete total variation method. The proposed approach has been compared with other noise removal techniques like non-local means filter, anisotropic diffusion, total variation, and discrete total variation method, and it proves to be effective in reducing noise. The performance of various denoising methods is compared on basis of metrics such as peak signal-to-noise ratio (PSNR), mean square error (MSE), universal image quality index (UQI), and structure similarity index (SSIM) values. This method has been tested for various noise levels, and it outperformed other existing noise removal techniques, without blurring the image.


Optik ◽  
2019 ◽  
Vol 180 ◽  
pp. 569-575 ◽  
Author(s):  
Sungtaek Lee ◽  
Seong Jin Park ◽  
Ji Min Jeon ◽  
Mi-Hwa Lee ◽  
Dae Yeon Ryu ◽  
...  

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