Journal
JOURNAL OF SCIENTIFIC COMPUTING
Volume 43, Issue 1, Pages 44-66Publisher
SPRINGER/PLENUM PUBLISHERS
DOI: 10.1007/s10915-009-9341-x
Keywords
Inverse problem; Level set; Inverse potential; Tikhonov functional; Dynamic regularization
Categories
Funding
- NSERC Discovery [84306]
- CNPq [303098/2009-0]
- Alexander von Humboldt Foundation AvH
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This paper considers highly ill-posed surface recovery inverse problems, where the sought surface in 2D or 3D is piecewise constant with several possible level values. These levels may further be potentially unknown. Multiple level set functions are used when there are more than two such levels, and we extend the methods and theory of our previous works to handle such more complex situations. A rather efficient method is developed. Inverse potential problems in two and three space dimensions are solved numerically, demonstrating the method's capabilities for several both known and unknown level values.
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