Journal
OPTICS LETTERS
Volume 37, Issue 22, Pages 4573-4575Publisher
OPTICAL SOC AMER
DOI: 10.1364/OL.37.004573
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Funding
- National Natural Science Foundation of China [61205203]
- Guangdong Innovation Research Team Fund for Low-Cost Healthcare Technologies (GIRTF-LCHT)
- Shenzhen Development and Reform Commission [[2012] 1065]
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Optical-resolution photoacoustic microscopy is becoming a powerful research tool for studying microcirculation in vivo. Moreover, ultrasonic-array-based optical-resolution photoacoustic computed tomography (OR-PACT), providing comparable resolution at an improved speed, has opened up new opportunities for studying microvascular dynamics. In this Letter, we have developed a compressed sensing with partially known support (CS-PKS) photoacoustic reconstruction strategy for OR-PACT. Compared with conventional backprojection reconstruction, the CS-PKS strategy was shown to produce high-quality in vivo OR-PACT images with threefold less measurement data, which can be leveraged to improve the data acquisition speed and costs of OR-PACT systems. (C) 2012 Optical Society of America
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