Designing a storage software stack for accelerators

S Awamoto, E Focht, M Honda - 12th USENIX Workshop on Hot Topics …, 2020 - usenix.org
Although modern accelerator devices, such as vector engines and SmartNICs, are equipped
with general purpose CPUs, access to the storage needs the mediation of the host kernel …

[HTML][HTML] Characteristics of smoothing filters to achieve the guideline recommended positron emission tomography image without harmonization

Y Tsutsui, S Awamoto, K Himuro, Y Umezu… - Asia oceania journal …, 2018 - ncbi.nlm.nih.gov
Objective (s): The aim of this study is to examine the effect of different smoothing filters on
the image quality and SUV max to achieve the guideline recommended positron emission …

[HTML][HTML] Edge artifacts in point spread function-based PET reconstruction in relation to object size and reconstruction parameters

Y Tsutsui, S Awamoto, K Himuro, Y Umezu… - Asia Oceania Journal …, 2017 - ncbi.nlm.nih.gov
Objective (s): We evaluated edge artifacts in relation to phantom diameter and reconstruction
parameters in point spread function (PSF)-based positron emission tomography (PET) …

Evaluating and comparing the image quality and quantification accuracy of SiPM-PET/CT and PMT-PET/CT

Y Tsutsui, S Awamoto, K Himuro, T Kato, S Baba… - Annals of nuclear …, 2020 - Springer
Objective The aim of this study was to evaluate the image quality and the quantification
accuracy of Biograph Vision PET/CT scanner as a SiPM-PET in comparison to the conventional …

Scalable and memory-efficient spin locks for embedded tile-based many-core architectures

S Awamoto, H Chishiro, S Kato - 2018 IEEE 21st International …, 2018 - ieeexplore.ieee.org
Embedded many-core System-on-Chip (SoC) architectures require scalability and memory
constraints. However, communication between many cores, especially locking mechanisms …

Reduction of the unnecessary dose from the over-range area with a spiral dynamic z-collimator: comparison of beam pitch and detector coverage with 128-detector …

T Shirasaka, Y Funama, M Hayashi, S Awamoto… - … physics and technology, 2012 - Springer
Our purpose in this study was to assess the radiation dose reduction and the actual exposed
scan length of over-range areas using a spiral dynamic z-collimator at different beam …

[PDF][PDF] Effect of luminance non-uniformity caused by aged deterioration of a medical liquid-crystal display for low-contrast detectability

…, K TAKAHASHI, H AKAMINE, S AWAMOTO… - Journal of JART-English …, 2023 - jart.jp
Aged-deterioration of LCDs can lead to a decrease in the maximum luminance (Lmax),
change in chromaticity, and luminance nonuniformity. 2) Takahashi et al. examined the …

Detectability of category 3 or higher microcalcifications on digital mammograms: a comparative study between 5-MP color and monochrome liquid crystal display …

E Awamoto, S Awamoto, N Mizoguchi… - Radiological Physics and …, 2022 - Springer
This study explored the detectability of category 3 or higher microcalcifications using 5-MP
color and monochrome monitors. Contrast detail mammography phantom with polymethyl …

Continuous Bed Motion in a Silicon Photomultiplier–Based Scanner Provides Equivalent Spatial Resolution and Image Quality in Whole-Body PET Images at Similar …

…, H Sato, Y Tsutsui, S Awamoto… - Journal of Nuclear …, 2022 - Soc Nuclear Med
This study investigated the spatial resolution and image quality of the continuous-bed-motion
(CBM) method in a sensitive silicon photomultiplier–based PET/CT system compared with …

Effective luminance deterioration of medical liquid crystal displays in clinical use

K Takahashi, S Awamoto, S Takarabe, K Ogawa… - … physics and technology, 2017 - Springer
The objective of this work was to evaluate the maximum luminance (L max ) level of medical
liquid crystal displays (LCDs) as a function of backlight hours (BLH) annually. The L max …