Synchronized Multi-Helical Computed Tomography
Pages 214 - 218
Abstract
Limited by the field of view (FOV), most existed X-ray industrial computed tomography (ICT) techniques require multi scans for stitching projections when detecting long objects, which significantly increases the scanning time. In addition, these techniques usually adopt the one-by-one scanning mode that further reduces the scanning efficiency. Therefore, this paper proposes a synchronized multi-helical computed tomography. It allows multi objects to be helical scanned simultaneously without signal crosstalk, while it further improves the detecting efficiency. Besides, the reconstruction method suitable for the synchronized multi-helical CT is reported. This method utilizes projection segmentation and helical projection calibration to convert multi-object helical projections into single-object projections. The generated single-object projection can be then reconstructed by conventional algorithms, e.g. the filtered back projection (FBP). This work can improve the efficiency of CT scanning and will promote the applications of CT in large-scale long object detection.
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Published In
August 2021
278 pages
ISBN:9781450390453
DOI:10.1145/3483845
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Association for Computing Machinery
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Published: 22 October 2021
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- Research-article
- Research
- Refereed limited
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- National Natural Science Foundation of China
- the Ningbo major projects of science and technology innovation 2025
- the Joint Fund of Research Utilizing Large-scale Scientific Facilities by National Natural Science Foundation of China and Chinese Academy of Science
Conference
CCRIS'21
CCRIS'21: 2021 2nd International Conference on Control, Robotics and Intelligent System
August 20 - 22, 2021
Qingdao, China
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