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11 Results Found

  • Article
  • Open Access
315 Views
15 Pages

Choice of Treatment Modality and Validity of Direct Surgery for Complex Posterior Inferior Cerebellar Artery-Related Aneurysms

  • Fumihiro Hamada,
  • Hitoshi Fukuda,
  • Naoki Fukui,
  • Yusuke Ueba,
  • Motonobu Nonaka,
  • Mitsuhiro Takemura,
  • Namito Kida and
  • Tetsuya Ueba

21 November 2025

Background/Objectives: Complex aneurysms of the posterior inferior cerebellar artery (PICA) remain challenging because of their deep location, variable morphology, and proximity to critical neurovascular structures. Although endovascular therapy is p...

  • Article
  • Open Access
842 Views
11 Pages

Non-Saccular Aneurysm Shape as a Poor Prognostic Factor in Younger Patients with Spontaneous Subarachnoid Hemorrhage

  • Fumihiro Hamada,
  • Hitoshi Fukuda,
  • Yuma Hosokawa,
  • Shota Nishimoto,
  • Yuichiro Kondo,
  • Masaki Yokodani,
  • Koji Bando,
  • Yu Hoashi,
  • Kenji Okada and
  • Akihito Moriki
  • + 9 authors

16 June 2025

Background/Objectives: Non-saccular aneurysms are a rare subtype of intracranial aneurysms with complex morphologies. Although treatment strategies for ruptured non-saccular and saccular aneurysms differ significantly, large-scale comparisons of the...

  • Article
  • Open Access
1,135 Views
12 Pages

Impact of Delayed Admission on Treatment Modality and Outcomes of Aneurysmal Subarachnoid Hemorrhage: A Prefecture-Wide, Multicenter Japanese Study

  • Yuma Hosokawa,
  • Hitoshi Fukuda,
  • Yuki Hyohdoh,
  • Takako Kawamura,
  • Ken Shinno,
  • Yongran Yanase,
  • Masaki Yokodani,
  • Yu Hoashi,
  • Akihito Moriki and
  • Koji Bando
  • + 8 authors

18 May 2025

Background/Objectives: Aneurysmal subarachnoid hemorrhage (SAH) requires prompt treatment, yet hospital admission is occasionally delayed, and the optimal treatment strategy for such patients remains to be established. We aimed to investigate treatme...

  • Article
  • Open Access
3,937 Views
29 Pages

Multi-Granularity User Anomalous Behavior Detection

  • Wenying Feng,
  • Yu Cao,
  • Yilu Chen,
  • Ye Wang,
  • Ning Hu,
  • Yan Jia and
  • Zhaoquan Gu

27 December 2024

Insider threats pose significant risks to organizational security, often going undetected due to their familiarity with the systems. Detection of insider threats faces challenges of imbalanced data distributions and difficulties in fine-grained detec...

  • Article
  • Open Access
1 Citations
3,814 Views
14 Pages

In recent years, the use of fixed-wing Unmanned Aerial Vehicles (UAVs) has expanded, and the use of fixed-wing UAVs is expected to expand due to their usefulness for long-range operations. Different from manned aircraft, no provision is required rega...

  • Article
  • Open Access
11 Citations
3,819 Views
10 Pages

Examination of the Impact of Strength and Velocity of the Knee and Ankle on Gait Speed in Community-Dwelling Older Adults

  • Atsuki Kanayama,
  • Mayuka Minami,
  • Saki Yamamoto,
  • Toshimitsu Ohmine,
  • Minami Fujiwara,
  • Takayuki Murakami,
  • Shuji Okuno,
  • Ryoga Ueba and
  • Akira Iwata

20 October 2022

The muscle strength of the knee extension and plantarflexion plays a crucial role in determining gait speed. Recent studies have shown that no-load angular velocity of the lower limb joints is essential for determining gait speed. However, no reports...

  • Article
  • Open Access
2 Citations
3,604 Views
18 Pages

Design and Evaluation on Onboard Antenna Pointing Control System for a Wireless Relay System Using Fixed-Wing UAV

  • Koki Hamajima,
  • Kei Yasukawa,
  • Masazumi Ueba,
  • Hisayoshi Kanou,
  • Munehiro Matsui,
  • Junichi Abe,
  • Kiyohiko Itokawa and
  • Fumihiro Yamashita

Among several usages of unmanned aerial vehicles (UAV), wireless relay systems for high altitudes using fixed-wing UAVs, or high-altitude platform stations (HAPS), are some of the most promising applications. To realize the systems by making the most...

  • Article
  • Open Access
5 Citations
2,637 Views
14 Pages

The Aerospace Plane Research Center at the Muroran Institute of Technology is currently conducting research to develop enabling technologies for high-speed aircraft traveling at high altitudes and constructing experimental, small-scale, unmanned supe...

  • Article
  • Open Access
1 Citations
1,196 Views
27 Pages

In recent years, the use of unmanned aerial vehicles (UAVs) has expanded in and across various fields, including agriculture, observation, and transportation. Generally, the landing distance of fixed-wing UAVs increases with speed. In particular, the...

  • Article
  • Open Access
913 Views
19 Pages

Among the several usages of unmanned aerial vehicles (UAVs), a wireless relay system is one of the most promising applications. Specifically, a small fixed-wing UAV is suitable to establish the system promptly. In the system, an antenna pointing cont...

  • Article
  • Open Access
82 Citations
17,091 Views
25 Pages

3 April 2021

This paper aims to explore the cyber-deception-based approach and to design a novel conceptual model of hybrid threats that includes deception methods. Security programs primarily focus on prevention-based strategies aimed at stopping attackers from...