Denoising magnetic resonance images using collaborative non-local means

G Chen, P Zhang, Y Wu, D Shen, PT Yap - Neurocomputing, 2016 - Elsevier
Noise artifacts in magnetic resonance (MR) images increase the complexity of image
processing workflows and decrease the reliability of inferences drawn from the images. It is …

Artifact reduction for separable nonlocal means

S Ghosh, KN Chaudhury - Journal of Electronic Imaging, 2017 - spiedigitallibrary.org
It was recently demonstrated that one can perform fast nonlocal means (NLM) denoising of
one-dimensional (1-D) signals using a method called lifting. The cost of lifting is …

An improved non-local means denoising technique for brain MRI

S Sarkar, PC Tripathi, S Bag - Computational Intelligence in Pattern …, 2020 - Springer
Noise artifacts introduced in Magnetic Resonance Imaging (MRI) due to imperfection in
radio-frequency coils typically deteriorate the performance of automated analysis of a brain …

Retracted: Complex image denoising framework with CNN‐wavelet under concurrency scenarios for informatics systems

L Wang, W Huang, S Zhang… - … and Computation: Practice …, 2021 - Wiley Online Library
Image denoising based on convolutional neural networks and wavelet transform is a novel
approach for the applications. In the image acquisition process, images are often …

Cerebrovascular Segmentation Based on Edge Preserving Filters Technique in Magnetic Resonance Angiography Images: A Systematic Review.

NIR Ruhaiyem, NA Hammade - International Journal of Image …, 2021 - go.gale.com
Magnetic resonance angiography (MRA) is an emerging magnetic resonance imaging
method for the detection and diagnosis of cerebrovascular diseases including cerebral small …

Automatic Segmentation and Classification of COVID-19 CT Image Using Deep Learning and Multi-Scale Recurrent Neural Network Based Classifier

RT Subhalakshmi… - Journal of Medical …, 2021 - ingentaconnect.com
In recent times, the COVID-19 epidemic turn out to be increased in an extreme manner, by
the accessibility of an inadequate amount of rapid testing kits. Consequently, it is essential to …

Improved denoising technique for medical MRI brain images

P Parmar, A Sharma, AK Sahu - 2018 International Conference …, 2018 - ieeexplore.ieee.org
In today's scenario there is a wide scope in the field of Image Denoising as the demand of
noise free images are continuously increasing in this era. It is an important division of Image …

Angular resolution enhancement of diffusion MRI data using inter-subject information transfer

G Chen, P Zhang, K Li, CY Wee, Y Wu, D Shen… - … Diffusion MRI: MICCAI …, 2016 - Springer
Diffusion magnetic resonance imaging is widely used to investigate diffusion patterns of
water molecules in the human brain. It provides information that is useful for tracing axonal …

[PDF][PDF] 4D Collaborative Non-Local Means Based Diffusion MRI Denoising

G Chen, Y Wu - academia.edu
Noise is a major issue that reduces the quality of images acquired by diffusion MRI (dMRI).
Recently, the non-local means (NLM) algorithm has been proposed and successfully …