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Inoue, S.,Hayashi, K.,Magara, T.,Choe, G. S.,Park, Y. D. IOP Publishing 2014 The Astrophysical journal Vol.788 No.2
<P>We performed a magnetohydrodynamic (MHD) simulation using a nonlinear force-free field (NLFFF) in solar active region 11158 to clarify the dynamics of an X2.2-class solar flare. We found that the NLFFF never shows the dramatic dynamics seen in observations, i.e., it is in a stable state against the perturbations. On the other hand, the MHD simulation shows that when the strongly twisted lines are formed at close to the neutral line, which are produced via tether-cutting reconnection in the twisted lines of the NLFFF, they consequently erupt away from the solar surface via the complicated reconnection. This result supports the argument that the strongly twisted lines formed in NLFFF via tether-cutting reconnection are responsible for breaking the force balance condition of the magnetic fields in the lower solar corona. In addition to this, the dynamical evolution of these field lines reveals that at the initial stage the spatial pattern of the footpoints caused by the reconnection of the twisted lines appropriately maps the distribution of the observed two-ribbon flares. Interestingly, after the flare, the reconnected field lines convert into a structure like the post-flare loops, which is analogous to the extreme ultraviolet image taken by the Solar Dynamics Observatory. Eventually, we found that the twisted lines exceed a critical height at which the flux tube becomes unstable to the torus instability. These results illustrate the reliability of our simulation and also provide an important relationship between flare and coronal mass ejection dynamics.</P>
Inoue, Kotaro,Cho, Myungjin Elsevier 2018 Optics and lasers in engineering Vol.111 No.-
<P><B>Abstract</B></P> <P>In this paper, we propose a new visual quality enhancement of a three-dimensional (3D) computational reconstruction algorithm in integral imaging. Integral imaging can record 3D images easily using a lenslet array. However, the elemental images may have low resolution, because each image cannot use full resolution of an image sensor. To solve this problem, a computational reconstruction technique can be used to reconstruct visual-quality-enhanced 3D images from low-resolution elemental images. Our method is based on the pixel of elemental images rearrangement technique (PERT), which can provide enhanced visual quality of the reconstructed 3D image compared with that of conventional computational reconstruction algorithms. However, it has a problem in which the size of 3D scenes is different from the optical reconstruction results. Therefore, in this paper, we propose a solution considering empty spaces between back-projected pixels on the reconstruction planes and enhance the extensibility using the convolution operator. Our experimental results show the enhancement of the visual quality and resolution of the reconstructed 3D images using the point-spread function filter.</P> <P><B>Highlights</B></P> <P> <UL> <LI> Captured multi-view images by integral imaging are low-resolution images since image sensors are divided and used by lenslet arrays. </LI> <LI> Conventional 3D reconstruction techniques cannot provide high-resolution 3D images from low-resolution multi-view images. </LI> <LI> Pixel-to-pixel mapping technique can provide accurate pixel positions on reconstruction planes. </LI> <LI> Our proposed method (CPERTS) reconstructs visual quality enhanced 3D images by considering the diffraction pattern of the virtual pinhole using convolution operator. </LI> </UL> </P>
Inoue, Hiroshi Korean Society of Applied Entomology 1992 INSECTA KOREANA Vol.9 No.-
A new Species, Scopula vojnitsi, is described from North Korea. 헝가리자연사박물관팀의 북한 탐사에서 채집된 자나방科 표본중 Scopula屬 1種이 新種으로 밝혀서 Scopula vojnitsi sp. nov.로 기재 발표한다.
Inoue Daisuke,Shigematsu Hideki,Nakagawa Yoshiyuki,Takeshima Toshichika,Tanaka Yasuhito 대한척추외과학회 2021 Asian Spine Journal Vol.15 No.3
Study Design: Prospective clinical study. Purpose: To determine the optimal posture for instability evaluation using flexion–extension X-ray imaging in patients with lumbar spondylolisthesis. Overview of Literature: Currently, flexion–extension X-ray imaging is the most practical approach for the evaluation of lumbar instability. In flexion–extension X-ray imaging, achievement of the greatest segmental motion with flexion–extension movement is necessary. However, to our knowledge, currently, there is no standardized posture for determining lumbar instability. Methods: Twenty-three individuals with lumbar spondylosis related to the fourth vertebra underwent flexion–extension X-ray imaging in different postures (standing, sitting, and lateral decubitus positions), lumbar magnetic resonance imaging (MRI), and low back pain Visual Analog Scale (VAS) evaluation on the same day. Intervertebral angle, percent slippage, and intervertebral disc area ratio for different postures during flexion and extension were compared using Tukey’s method. The effect of low back pain and the association between MRI facet effusion and these measurements were investigated according to posture. Results: The percent slippage during extension (p=0.036), change in the percent slippage between flexion and extension (p=0.004), and change in the intervertebral angle (p=0.042) were significantly different between the sitting and lateral decubitus positions. There were also significant differences between the standing and lateral decubitus positions in the change in intervertebral angle (p=0.010). In patients with VAS score <40, there were significant differences in the intervertebral angle (p=0.011) between the standing and lateral decubitus positions, percent slippage (p=0.048), and intervertebral disk ratio (p=0.008) between the sitting and lateral decubitus positions. We found no relationship between MRI facet effusion and posture in terms of instability. Conclusions: In this study, intervertebral instability was best evaluated in the lateral decubitus position when using flexion–extension X-ray imaging for patients with fourth lumbar vertebral spondylolisthesis.
A New Subspecies of Ambulyx japonica Rothschild (Lepidoptera, Sphingidae) from Korea
Inoue, Hiroshi Korean Society of Applied Entomology 1993 INSECTA KOREANA Vol.10 No.-
남, 북한 각 지역으로 부터 채집된 재료를 대상으로 비교검토한 결과 박각시과의 1신아종 Ambulyx japonica koreana subsp. nov.을 기재발표한다. A new subspecies: Ambulyx japonica koreana is described from noth and South Korea.
Inoue, Y.,Kuramoto, Y.,Hattori, M.,Adachi, M.,Kimura, M.,Akahane, T. The Korean Infomation Display Society 2011 Journal of information display Vol.12 No.3
Alignment failure sometimes occurs during the rubbing process because the rubbing cloth comes in direct contacts with the surface of the alignment film. A number of researches observed and evaluated the surface of the alignment film after the rubbing process had been reported. The real-time rubbing process has not been observed directly yet, though. In this study, the movement of the piles of the rubbing cloth during the rubbing process was observed with a high-speed camera. Furthermore, the relationship between the rubbing scratch on the alignment films and the movement of the pile was investigated. It was found that the movement of the pile affected the rubbing scratches.
Inoue, Mariko,Oishi, Yasuhiko,Fujii, Tomoyuki,Kobayashi, Hiroyuki Institute of Forest Science 2008 Journal of Forest Science Vol.24 No.3
Forestry education in vocational high schools is one of the fundamental keys for achieving sustainable forest management. However, support systems for forestry education have not been well developed in Japan. Forest research institutes, which have accumulated relevant information, should have sufficient ability to develop new educational programs in this field. This study examined the possibility of support systems for forestry technical education by a research institute. Educational programs for vocational high schools were developed, and the programs were examined for their practical applications through a workshop for these teachers. We set the following five requirements for the programs: They should 1) incorporate new contents related to sustainable forest management, 2) be based on forestry education textbooks, 3) meet recent demands of the schools and society, 4) allow participants to learn through actual practice and experience, and 5) utilize readily available teaching materials. With these criteria, we developed the following two educational programs: (a) Forest management program to teach advanced techniques, (b) A timber-program to teach about biomass resources. The workshop was held on July $28^{th}$, 2007 with ten teachers attending. The programs were very interesting, who gave them high average evaluation of 4.6 on a scale of 1 to 5. Only a few issues need to be resolved before classroom instruction can begin, such as making wood structure easier to understanding for some teachers, and obtaining base maps of school forests. In conclusion, forest research institutes can effectively support forestry education by providing and implementing programs based on scientific information.