Search Results - "Onabe, Hideaki"

Energy Measurement of X-rays in Computed Tomography for Detecting Contrast Media by KANNO, Ikuo, UESAKA, Akio, NOMIYA, Seiichiro, ONABE, Hideaki

“…The advantages of energy measurement of x-rays over current measurement in transmission radiography and computed tomography (CT) for detecting iodine contrast…”
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Computed tomography reconstruction from two transmission measurements for iodine-marked cancer detection by Kanno, Ikuo, Shima, Kazunari, Shimazaki, Hironobu, Yamashita, Yoshiki, Watanabe, Kenichi, Ohtaka, Masahiko, Hashimoto, Makoto, Ara, Kuniaki, Onabe, Hideaki

“…The authors invented the transXend detector, which measures X-rays as electric currents, and then gives the energy distribution of the X-rays after an…”
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Energy-resolved computed tomography measurements of iron solution and adipose as a simulation for estimating the iron concentration in the human liver by Yamashita, Yoshiki, Shimazaki, Hironobu, Shima, Kazunari, Kanno, Ikuo, Ohtaka, Masahiko, Hashimoto, Makoto, Ara, Kuniaki, Onabe, Hideaki

“…To measure the iron concentration in the human liver, which comprises soft tissue and adipose as well as iron, energy-resolved computed tomography (CT) is…”
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A low-noise current-sensitive preamplifier for X-ray computed tomography with applying a charge-sensitive preamplifier by Kanno, Ikuo, Onabe, Hideaki

“…A low-noise current-sensitive preamplifier was developed for aiming low-dose X-ray computed tomography with applying a charge-sensitive preamplifier. We…”
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A low-noise current-sensitive preamplifier VIEC based on a charge-sensitive preamplifier by Kanno, Ikuo, Nishikawa, Junichiro, Onabe, Hideaki

“…A low-noise current-sensitive preamplifier VIEC has been developed based on the circuitry of a charge-sensitive preamplifier. In this paper, the dynamic ranges…”
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Energy Measurement of X-rays in Computed Tomography for Detecting Contrast Media by KANNO, Ikuo, UESAKA, Akio, NOMIYA, Seiichiro, ONABE, Hideaki

“…The advantages of energy measurement of x-rays over current measurement in transmission radiography and computed tomography (CT) for detecting iodine contrast…”
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A Current-Mode Detector for Unfolding X-ray Energy Distribution by KANNO, Ikuo, IMAMURA, Ryo, MIKAMI, Kenta, UESAKA, Akio, HASHIMOTO, Makoto, OHTAKA, Masahiko, ARA, Kuniaki, NOMIYA, Seiichiro, ONABE, Hideaki

“…To turn the advantage of energy measurement in x-ray transmission diagnosis into practice, we propose a novel detector for the estimation of x-ray energy…”
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Simulation Study on Unfolding Methods for Diagnostic X-rays and Mixed Gamma Rays by HASHIMOTO, Makoto, OHTAKA, Masahiko, ARA, Kuniaki, KANNO, Ikuo, IMAMURA, Ryo, MIKAMI, Kenta, NOMIYA, Seiichiro, ONABE, Hideaki

“…A photon detector operating in current mode that can sense X-ray energy distribution has been reported. This detector consists of a row of several segment…”
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Resistivity Measurements of Directly Bonded Si Wafers by Kanno, Ikuo, Nakayama, Atsushi, Nomiya, Seiichiro, Onabe, Hideaki

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Interface Resistivity of Directly Bonded Si Wafers by Kanno, Ikuo, Yamashita, Makoto, Nomiya, Seiichiro, Onabe, Hideaki

“…To study the interface resistivity of bonded Si wafers, every combination of three kinds of Si wafers (1.86×10 -2 , 1.91×10 -1 , and 2.44 Ω cm in resistivity)…”
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Simulation Study on Unfolding Methods for Diagnostic X-rays and Mixed Gamma Rays by HASHIMOTO, Makoto, OHTAKA, Masahiko, ARA, Kuniaki, KANNO, Ikuo, IMAMURA, Ryo, MIKAMI, Kenta, NOMIYA, Seiichiro, ONABE, Hideaki

“…A photon detector operating in current mode that can sense X-ray energy distribution has been reported. This detector consists of a row of several segment…”
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Using energy-resolved X-ray computed tomography with a current mode detector to distinguish materials by Kanno, Ikuo, Imamura, Ryo, Yamashita, Yoshiki, Ohtaka, Masahiko, Hashimoto, Makoto, Ara, Kuniaki, Onabe, Hideaki

“…In conventional X-ray computed tomography (CT), X-rays are measured as electric current. Materials inside a subject are described by the linear attenuation…”
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Measurement of effective atomic numbers using energy-resolved computed tomography by Yamashita, Yoshiki, Kimura, Masashi, Kitahara, Masaru, Hamaguchi, Takumi, Kanno, Ikuo, Ohtaka, Masahiko, Hashimoto, Makoto, Ara, Kuniaki, Onabe, Hideaki

“…For ion radiation therapy, the measurement of effective atomic numbers, Z eff , is necessary to know the material distribution in a human body; the range of…”
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Third-generation computed tomography with energy information of X-rays using a CdTe flat panel detector by Kanno, Ikuo, Imamura, Ryo, Minami, Yuko, Ohtaka, Masahiko, Hashimoto, Makoto, Ara, Kuniaki, Onabe, Hideaki

“…The present authors developed the transXend detector, which measures incident X-rays as current and also gives their energy distribution after an unfolding…”
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Low-dose exposure energy-resolved X-ray computed tomography using a contrast agent with a high-energy K-edge by Yamashita, Yoshiki, Shima, Kazunari, Kanno, Ikuo, Ohtaka, Masahiko, Hashimoto, Makoto, Ara, Kuniaki, Onabe, Hideaki

“…X-ray computed tomography (CT) with iodine contrast agent is widely employed to locate cancers. However, this method has shortcomings such as high-radiation…”
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A Current-Mode Detector for Unfolding X-ray Energy Distribution by KANNO, Ikuo, IMAMURA, Ryo, MIKAMI, Kenta, UESAKA, Akio, HASHIMOTO, Makoto, OHTAKA, Masahiko, ARA, Kuniaki, NOMIYA, Seiichiro, ONABE, Hideaki

“…To turn the advantage of energy measurement in x-ray transmission diagnosis into practice, we propose a novel detector for the estimation of x-ray energy…”
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Using X-ray Energy Information in CT Measurement of a Phantom with an Al Region by MINAMI, Yuko, IMAMURA, Ryo, KANNO, Ikuo, OHTAKA, Masahiko, HASHIMOTO, Makoto, ARA, Kuniaki, ONABE, Hideaki

“…X-ray computed tomography (CT) using X-ray energy information has been studied by the present authors on acrylic phantoms containing an iodine contrast medium…”
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Position-dependent instability of lithium-drifted silicon detector by MIYACHI, T, OHKAWA, S, MATSUZAWA, H, OTOGAWA, T, KOBAYASHI, N, ONABE, H

“…The variation in detector sensitivity was studied using 1150 nm light and scanning-electron microscope images. The charge-collection efficiency induced by…”
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Low dose exposure diagnosis with a transXend detector aiming for iodine-marked cancer detection by Kanno, Ikuo, Shimazaki, Hironobu, Imamura, Ryo, Yamashita, Yoshiki, Shima, Kazunari, Ohtaka, Masahiko, Hashimoto, Makoto, Ara, Kuniaki, Onabe, Hideaki

“…The energy resolved computed tomography (CT), which had advantage over conventional CT (twofold higher CT value for iodine contrast agent and being free from…”
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Long-term instability of lithium-drifted silicon detector by MIYACHI, T, MATSUZAWA, H, OTOGAWA, T, KOBAYASHI, N, ONABE, H

“…Using 1150 nm infrared light, the change in the detector sensitivity was studied. As a simple measure of the states of the detector sensitivity, the time…”
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