Publications by authors named "Takuya Kusaka"

Article Synopsis
  • In veterinary radiotherapy, accurate immobilization is crucial for effective irradiation, leading to the development of a new reusable head-immobilization method using cylinders for dogs.
  • The study compared three immobilization techniques—bite-block only, bite-block with torso immobilization, and cylinder-based immobilization—using CT scans on beagles to measure accuracy.
  • Results showed that the cylinder method provided the most reproducible and smallest errors in immobilization, although further research is needed to validate its clinical application due to some limitations in the study.
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A ring oscillator is a well-known circuit used for generating random numbers, and interested readers can find many research results concerning the evaluation of the randomness with a packaged test suit. However, the authors think there is room for evaluating the unpredictability of a sequence from another viewpoint. In this paper, the authors focus on Wold’s RO-based generator and propose a statistical test to numerically evaluate the randomness of the RO-based generator.

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A cloud service to offer entropy has been paid much attention to. As one of the entropy sources, a physical random number generator is used as a true random number generator, relying on its irreproducibility. This paper focuses on a physical random number generator using a field-programmable gate array as an entropy source by employing ring oscillator circuits as a representative true random number generator.

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