Zobrazeno 1 - 8 of 8 pro vyhledávání: '"Shohei Okubo"'
5
Statistical estimation of the directional dependency of subject in visibility-contrast imaging with the x-ray Talbot-Lau interferometer
Autor: Takayuki Shibata, Yoshie Kodera, Shohei Okubo
Publikováno v: SPIE Proceedings.
Conventional x-ray image is formed by absorption contrast due to attenuation of x-ray intensity. In recent years, the phase-contrast method has highlighted, in which image contrast is decided according to phase shift of x-rays transmitted through an
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b88bff5348de7375d5c8f27df839f486
https://doi.org/10.1117/12.2081769
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6
The quantitative evaluation of the correlation between the magnification and the visibility-contrast value
Autor: Yoshie Kodera, Takayuki Shibata, Shohei Okubo
Publikováno v: SPIE Proceedings.
Talbot-Lau interferometer, which consists of a conventional x-ray tube, an x-ray detector, and three gratings arranged between them, is a new x-ray imaging system using phase-contrast method for excellent visualization of soft tissue. So, it is expec
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1bcbb456b90280f4548814bcdfe9973e
https://doi.org/10.1117/12.2082453
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7
Investigation of Dependence on the Object Orientation in Visibility-Contrast Imaging with the X-Ray Talbot-Lau Interferometer
Autor: Junko Kiyohara, Sumiya Nagatsuka, Takayuki Shibata, Daiki Iwai, Shohei Okubo, Yoshie Kodera
Publikováno v: Breast Imaging ISBN: 9783319078861
Digital Mammography / IWDM
Visibility-contrast image obtained by the X-ray grating interferometer reflects reduction of coherence due to the object’s structures. In the case of the one-dimensional grating, visibility-contrast image is affected by relative angle between the s
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9b321d1a5c4bd4a3aa4a256ca82af023
https://doi.org/10.1007/978-3-319-07887-8_67
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