期刊
PHYSICS IN MEDICINE AND BIOLOGY
卷 54, 期 18, 页码 N425-N432出版社
IOP PUBLISHING LTD
DOI: 10.1088/0031-9155/54/18/N04
关键词
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资金
- NIH/NIBIB [EB002667, EB004287, EB007288]
- Toshiba Medical Research Institute USA, Inc., NSFC [60325101, 60532080, 60628102]
- Key Laboratory of Machine Perception (Ministry of Education) of Peking University
- Microsoft Research of Asia
Recently, in the compressed sensing framework we proved that an interior ROI can be exactly reconstructed via the total variation minimization if the ROI is piecewise constant. In the proofs, we implicitly utilized the property that if an artifact image assumes a constant value within the ROI, then this constant must be zero. Here we prove this property in the space of square integrable functions.
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