Výsledky vyhledávání - "Masahiro Numa"

Multi-Category Image Super-Resolution with Convolutional Neural Network and Multi-Task Learning

Autor: Tetsuya Hirose, Yu Kato, Shinya Ohtani, Kazuya Urazoe, Masahiro Numa, Nobutaka Kuroki

Publikováno v: IEICE Transactions on Information and Systems. (1):183-193

This paper presents an image super-resolution technique using a convolutional neural network (CNN) and multi-task learning for multiple image categories. The image categories include natural, manga, and text images. Their features differ from each ot

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7d967a5c1d7bb68a4dfe49fba55d17dc
http://www.lib.kobe-u.ac.jp/handle_kernel/90007755

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Improvement of Luminance Isotropy for Convolutional Neural Networks-Based Image Super-Resolution

Autor: Yu Kato, Shinya Ohtani, Kazuya Urazoe, Masahiro Numa, Nobutaka Kuroki, Tetsuya Hirose

Publikováno v: IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences. (7):955-958

Convolutional neural network (CNN)-based image super-resolutions are widely used as a high-quality image-enhancement technique. However, in general, they show little to no luminance isotropy. Thus, we propose two methods, “Luminance Inversion Train

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e5d57121b650a4729ab3491364ff00c2
http://www.lib.kobe-u.ac.jp/handle_kernel/90007381

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Switched-capacitor voltage buck converter with variable step-down and switching frequency controllers for low-power and high-efficiency IoT devices

Autor: Ryo Matsuzuka, Shuto Kanzaki, Kaori Matsumoto, Nobutaka Kuroki, Masahiro Numa, Daisuke Kanemoto, Tetsuya Hirose

Publikováno v: Japanese Journal of Applied Physics. 62:SC1082

This paper proposes a switched-capacitor voltage buck converter (SC-VBC) with variable step-down controller (VSC) and switching frequency controller (SFC). The VSC and SFC change the step-down ratio and switching frequency of the SC-VBC in accordance

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::56911332a4ce86c397c0f10d9743482d
https://doi.org/10.35848/1347-4065/acba22

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Fully-integrated switched-capacitor voltage boost converter with digital maximum power point tracking for low-voltage energy harvesting

Autor: Kaori Matsumoto, Ryuki Ikeda, Hikaru Sebe, Nobutaka Kuroki, Masahiro Numa, Daisuke Kanemoto, Tetsuya Hirose

Publikováno v: Japanese Journal of Applied Physics. 62:SC1071

This paper proposes a fully-integrated switched-capacitor voltage boost converter with a digital maximum power point tracking (MPPT) control circuit for low-voltage and low-power energy harvesting. The proposed digital MPPT control circuit converts t

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2bd33c6520cc85034932b1e4af268ee7
https://doi.org/10.35848/1347-4065/acb77e

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A 34-mV Startup Ring Oscillator Using Stacked Body Bias Inverters for Extremely Low-Voltage Thermoelectric Energy Harvesting

Autor: Daisuke Kanemoto, Masaya Nishi, Kaori Matsumoto, Masahiro Numa, Tetsuya Hirose, Hikaru Sebe, Osamu Maida, Ryo Matsuzuka, Nobutaka Kuroki

Publikováno v: NEWCAS

A ring oscillator (ROSC) for extremely low-voltage thermoelectric energy generators is presented. The ROSC is composed of dedicated low-voltage stacked body bias inverters (SBBIs) that are based on the conventional self-bias inverter (SBI) and stacke

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9c34347e4a691d18c624966874e1e8e3
https://doi.org/10.1109/newcas49341.2020.9159838

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