Results 141 to 150 of about 306 (168)
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Image Fusion in Compressed Sensing Based on Non-subsampled Contourlet Transform

Lecture Notes in Electrical Engineering, 2015
A fusion method based on non-subsampled contourlet transform (NSCT) in compressed sensing was proposed. The method decomposes two or more original images using NSCT, and gets the sparse matrix by the NSCT coefficients sparse representation, and fuses the sparse matrices with the coefficients absolute value maximum scheme.
Xin Zhou, Wei Wang, Rui-an Liu
exaly   +2 more sources

Non-Subsampled Contourlet Transform-Based Effective Denoising of Medical Images

2019
Noise removal in medical images remains a challenge for the researchers because noise removal introduces artifacts and blurring of the image. Developing medical image denoising algorithm is a difficult operation because a tradeoff between noise reduction and the preservation of actual features of image has to be made in a way that enhances and ...
null Karthikeyan P.   +2 more
openaire   +1 more source

Texture Image Classification Using Non-subsampled Contourlet Transform and Support Vector Machines

2009 Second International Symposium on Computational Intelligence and Design, 2009
This paper proposes a new approach to characterize texture image at multiresolution using the non-subsampled contourlet transform, a new geometrical multiresolution transform. The support vector machines (SVMs), which have demonstrated excellent performance in a variety of pattern recognition problems, are used as classifiers.
Yi Li, Guanzhong Liu
openaire   +1 more source

Weighted image fusion using cross bilateral filter and non-subsampled contourlet transform

Multidimensional Systems and Signal Processing, 2019
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
M. Munawwar Iqbal Ch   +4 more
openaire   +1 more source

Technique for image fusion based on non-subsampled contourlet transform domain improved NMF

Science China Information Sciences, 2010
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Weiwei Kong   +3 more
openaire   +2 more sources

A Novel Image Denoising Algorithm Based on Non-subsampled Contourlet Transform and Modified NLM

2018
A novel image denoising algorithm based on non-subsampled contourlet transform (NSCT) and modified non-local mean (NLM) is proposed. First, we utilize NSCT to decompose the images to obtain the high frequency coefficients. Second, the high frequency coefficients are used for modified NLM denoising.
Huayong Yang, Xiaoli Lin
openaire   +1 more source

A Novel Fusion Method of Infrared and Visible Images Based on Non-subsampled Contourlet Transform

2015
This paper presents a novel infrared (IR) and visible images fusion methodology based on non-subsampled contourlet transform (NSCT). NSCT shows better performance compared with usual multi-scale decomposition for its multi-scale, shift invariance, multi-direction and efficient capture of geometric structures.
Fei Lu 0011, Xiaoyong Lei
openaire   +1 more source

Adaptive Fuzzy Logic Despeckling in Non-Subsampled Contourlet Transformed Ultrasound Pictures

Intelligent Automation & Soft Computing, 2023
T. Manikandan   +3 more
openaire   +1 more source

Analysis and Applications of Modified Non-subsampled Contourlet Transform

International Conference on Recent Trends in Engineering, Science & Technology - (ICRTEST 2016), 2016
H. Devanna   +2 more
openaire   +1 more source

Detection of Cerebral Vessels Based on Non-Subsampled Contourlet Transform

Advanced Science, Engineering and Medicine, 2012
Tran Anh Tuan   +3 more
openaire   +1 more source

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