Obtaining absolute chromophore concentrations from photoacoustic images obtained at multiple wavelengths is a nontrivial aspect of photoacoustic imaging but is essential for accurate functional and molecular imaging. This topic, known as quantitative photoacoustic imaging, is reviewed here. The inverse problems involved are described, their nature (nonlinear and ill-posed) is discussed, proposed solution techniques and their limitations are explained, and the remaining unsolved challenges are introduced. (C) 2012 Society of Photo-Optical Instrumentation Engineers (SPIE). [DOI: 10.1117/1.JBO.17.6.061202]
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Inst Canc Res, Joint Dept Phys, London, England
Inst Canc Res, Canc Res UK Canc Imaging Ctr, Div Radiotherapy & Imaging, London, England
Royal Marsden NHS Fdn Trust, London SM2 5PT, EnglandInst Canc Res, Joint Dept Phys, London, England
Costa, Marcia Martinho
Shah, Anant
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Inst Canc Res, Joint Dept Phys, London, England
Inst Canc Res, Canc Res UK Canc Imaging Ctr, Div Radiotherapy & Imaging, London, England
Royal Marsden NHS Fdn Trust, London SM2 5PT, EnglandInst Canc Res, Joint Dept Phys, London, England
Shah, Anant
Rivens, Ian
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Inst Canc Res, Joint Dept Phys, London, England
Inst Canc Res, Canc Res UK Canc Imaging Ctr, Div Radiotherapy & Imaging, London, England
Royal Marsden NHS Fdn Trust, London SM2 5PT, EnglandInst Canc Res, Joint Dept Phys, London, England
Rivens, Ian
Box, Carol
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Inst Canc Res, Joint Dept Phys, London, England
Inst Canc Res, Canc Res UK Canc Imaging Ctr, Div Radiotherapy & Imaging, London, England
Royal Marsden NHS Fdn Trust, London SM2 5PT, EnglandInst Canc Res, Joint Dept Phys, London, England
Box, Carol
O'Shea, Tuathan
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Inst Canc Res, Joint Dept Phys, London, England
Inst Canc Res, Canc Res UK Canc Imaging Ctr, Div Radiotherapy & Imaging, London, England
Royal Marsden NHS Fdn Trust, London SM2 5PT, EnglandInst Canc Res, Joint Dept Phys, London, England
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Inst Canc Res, Joint Dept Phys, London, England
Inst Canc Res, Canc Res UK Canc Imaging Ctr, Div Radiotherapy & Imaging, London, England
Royal Marsden NHS Fdn Trust, London SM2 5PT, EnglandInst Canc Res, Joint Dept Phys, London, England
Bamber, Jeffrey
ter Haar, Gail
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Inst Canc Res, Joint Dept Phys, London, England
Inst Canc Res, Canc Res UK Canc Imaging Ctr, Div Radiotherapy & Imaging, London, England
Royal Marsden NHS Fdn Trust, London SM2 5PT, EnglandInst Canc Res, Joint Dept Phys, London, England
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Princess Margaret Hosp, Univ Hlth Network, Div Biophoton, Toronto, ON M5G 2C4, Canada
Univ Toronto, Dept Med Biophys, Toronto, ON, CanadaPrincess Margaret Hosp, Univ Hlth Network, Div Biophoton, Toronto, ON M5G 2C4, Canada
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Zhejiang Lab, Res Ctr Intelligent Sensing, Hangzhou 311121, Peoples R ChinaZhejiang Lab, Res Ctr Intelligent Sensing, Hangzhou 311121, Peoples R China
Ren, Danyang
Sun, Yizhe
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Univ Southern Calif, Dept Biomed Engn, Los Angeles, CA 90089 USAZhejiang Lab, Res Ctr Intelligent Sensing, Hangzhou 311121, Peoples R China
Sun, Yizhe
Shi, Junhui
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Zhejiang Lab, Res Ctr Intelligent Sensing, Hangzhou 311121, Peoples R ChinaZhejiang Lab, Res Ctr Intelligent Sensing, Hangzhou 311121, Peoples R China
Shi, Junhui
Chen, Ruimin
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Zhejiang Lab, Res Ctr Intelligent Sensing, Hangzhou 311121, Peoples R ChinaZhejiang Lab, Res Ctr Intelligent Sensing, Hangzhou 311121, Peoples R China