光透視による三次元像再構成に関する基礎的検討

• Published in: Transactions of Japanese Society for Medical and Biological Engineering Vol. 53; no. Supplement; p. S217_03
• Main Authors: 清水, 孝一, 宮島, 文佳, 加藤, 祐次
• Format: Journal Article
• Language: Japanese
• Published: 公益社団法人 日本生体医工学会 2015; Japanese Society for Medical and Biological Engineering
• ISSN: 1347-443X; 1881-4379
• DOI: 10.11239/jsmbe.53.S217_03

In 3D optical imaging of a living body with near-infrared light, image deterioration caused by scattering effect is a fundamental and serious problem. To solve this problem, we have newly developed a technique to reconstruct a CT image from tranillumination images with scattering suppression. In an experiment, the effectiveness of the developed technique was verified. The cause of the reconstruction error was found to be not from the technique itself but from the artefact of the experiment. Figure 1 shows the cross sectional images of 10 mm∅ perfect absorber in a scattering medium (μ's =1.0 /mm). The size and the position of the absorber were restored correctly using the proposed technique.