NDLI: Evaluation of noise effects in spiral MRI image reconstruction using perceptual difference model (PDM)

Content Provider	IEEE Xplore Digital Library
Author	Donglai Huo Wilson, D.L. Salem, K.A. Moriguchi, H.
Copyright Year	2003
Description	Author affiliation: Dept. of Biomed. Eng., Case Western Reserve Univ., Cleveland, OH, USA (Donglai Huo; Wilson, D.L.)
Abstract	Spiral sampling of k-space is a popular magnetic resonance imaging (MRI) technique. A variety of choices are available for optimizing the spiral trajectory and reconstruction methods. To evaluate the effects of noise on these choices, we used a Perceptual Difference Model (PDM), which evaluates the image quality by calculating the visual difference between a "test image" and a "gold standard image". We simulated images from six different interleave patterns, seven different sampling levels, four different density compensation methods, and three different reconstruction options under three noise levels. Noise effects were separated from reconstruction errors by comparing results to those from a noise-free spiral acquisition. Comparing many different conditions, Voronoi (VOR) plus conventional regridding was good for high SNR data. In low SNR conditions, Area Density Function (ADF) was better. One can also quantitatively compare different acquisition parameters; smaller numbers of interleaves and high number of samples were very desirable when noise was applied. We conclude that PDM scoring provides an objective, useful tool for the assessment of spiral MR image quality and can greatly aid the design of MR acquisition and signal processing strategies.
Sponsorship	Whitaker Found
Starting Page	486
Ending Page	489
File Size	581100
Page Count	4
File Format	PDF
ISBN	0780377893
ISSN	1094687X
DOI	10.1109/IEMBS.2003.1279737
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2003-09-17
Publisher Place	Mexico
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Spirals Magnetic resonance imaging Image reconstruction Magnetic noise Image sampling Image quality Signal to noise ratio Optimization methods Reconstruction algorithms Testing
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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