NDLI: Reducing the spiral ct slice thickness using super resolution

Content Provider	IEEE Xplore Digital Library
Author	Ziye Yan Yao Lu Hongxia Yan
Copyright Year	2010
Description	Author affiliation: Computer Science School, Beijing Institute of Technology, Beijing Laboratory of Intelligent Information Technology, China (Ziye Yan; Yao Lu) \|\| Cancer Institute & Hospital, Peking Union Medical College, Beijing, China (Hongxia Yan)
Abstract	An approach for improving the z-axis resolution of spiral CT using super resolution (SR) technology in the post processing step is proposed in this work. As the spiral CT has the ability to produce over-lapped slice images without over-lapped scanning, the sub-slice thickness shifts in z-axis require neither change in hardware nor any additional radiation dose. The thinner slice is obtained by combining those over-lapped slices and applying the SR algorithm. It is secure and convenient to be used in clinical cases. We use an algorithm which introduces the Papoulis-Gerchberg extrapolation within the Iterative back-projection method to process the reconstructed image serial. Experiments on phantom and patient demonstrate effectiveness of this approach. And the slice thickness limit of spiral CT system is broken by this approach.
Starting Page	593
Ending Page	596
File Size	561053
Page Count	4
File Format	PDF
ISBN	9781424479924
ISSN	15224880
e-ISBN	9781424479948
e-ISBN	9781424479931
DOI	10.1109/ICIP.2010.5652144
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-09-26
Publisher Place	Hong Kong
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Computed tomography Kernel Image resolution Image reconstruction Spirals Strontium Signal resolution Post processing Spiral CT Super resolution Slice thickness Iterative back-projection
Content Type	Text
Resource Type	Article

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