61 citations
- Kyoto UniversityJP6 papers
- The University of OsakaJP3 papers
- Tohoku UniversityJP3 papers
- Japan Society for the Promotion of ScienceJP2 papers
- Musashino Art UniversityJP2 papers
- National Institute of Polar ResearchJP2 papers
- The Graduate University for Advanced Studies, SOKENDAIJP2 papers
- The University of TokyoJP2 papers
- Chiba Keizai UniversityJP1 paper
- Institute for Global Environmental StrategiesJP1 paper
- Kyorin UniversityJP1 paper
- Nanyang Technological UniversitySG1 paper
9 papers
BEVANet: Bilateral Efficient Visual Attention Network for Real-Time Semantic Segmentation
Ping-Mao Huang, I-Tien Chao, Ping-Chia Huang +2
Real-time semantic segmentation presents the dual challenge of designing efficient architectures that capture large receptive fields for semantic understanding while also refining…
Aligning Few-Step Diffusion Models with Dense Reward Difference Learning
Ziyi Zhang, Li Shen, Sen Zhang +6
Few-step diffusion models enable efficient high-resolution image synthesis but struggle to align with specific downstream objectives due to limitations of existing reinforcement le…
Iwahashi Zenbei's Sunspot Drawings in 1793 in Japan
Hisashi Hayakawa, Kiyomi Iwahashi, Harufumi Tamazawa +2
Three Japanese sunspot drawings associated with Iwahashi Zenbei (1756-1811) are shown here from contemporary manuscripts and woodprint documents with the relevant texts. We reveale…
Long-Lasting Extreme Magnetic Storm Activities in 1770 Found in Historical Documents
Hisashi Hayakawa, Kiyomi Iwahashi, Yusuke Ebihara +8
Dim red aurora at low magnetic latitudes is a visual and recognized manifestation of geomagnetic storms. The great low-latitude auroral displays seen throughout East Asia on 16-18…
Records of Auroral Candidates and Sunspots in Rikkokushi, Chronicles of Ancient Japan from Early 7th Century to 887
Hisashi Hayakawa, Kiyomi Iwahashi, Harufumi Tamazawa +5
In this article, we present the results of the surveys on sunspots and auroral candidates in Rikkokushi, Japanese Official Histories from the early 7th century to 887 to review the…
Historical Auroras in the 990s: Evidence for Great Magnetic Storms
Hisashi Hayakawa, Harufumi Tamazawa, Yurina Uchiyama +5
Recently, a significant carbon-14 enhancement in the year 994 in tree rings has been found, suggesting an extremely large cosmic ray flux event during a short period. The origin of…