Journal
SENSOR REVIEW
Volume 36, Issue 4, Pages 429-445Publisher
EMERALD GROUP PUBLISHING LTD
DOI: 10.1108/SR-01-2016-0027
Keywords
Linearization; Inverse problem; Regularization; Electrical capacitance tomography; Electrical resistance tomography; Image reconstruction
Categories
Funding
- National Natural Science Foundation of China [61402330, 61401466, 61301244, 61201350, 61370016, 61671319, 61627803]
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Purpose - Electrical capacitance tomography (ECT) and electrical resistance tomography (ERT) are promising techniques for multiphase flow measurement due to their high speed, low cost, non-invasive and visualization features. There are two major difficulties in image reconstruction for ECT and ERT: the soft-field effect, and the ill-posedness of the inverse problem, which includes two problems: under-determined problem and the solution is not stable, i.e. is very sensitive to measurement errors and noise. This paper aims to summarize and evaluate various reconstruction algorithms which have been studied and developed in the word for many years and to provide reference for further research and application. Design/methodology/approach - In the past 10 years, various image reconstruction algorithms have been developed to deal with these problems, including in the field of industrial multi-phase flow measurement and biological medical diagnosis. Findings - This paper reviews existing image reconstruction algorithms and the new algorithms proposed by the authors for electrical capacitance tomography and electrical resistance tomography in multi-phase flow measurement and biological medical diagnosis. Originality/value - The authors systematically summarize and evaluate various reconstruction algorithms which have been studied and developed in the word for many years and to provide valuable reference for practical applications.
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