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Transaction of The Visualization Society of Japan最新文献

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Visualization for Polymer in Solution on Vicinity of Wall Using Evanescent Wave Light Source 用倏逝波光源对聚合物在溶液中邻壁的可视化
Transaction of The Visualization Society of Japan Pub Date : 1900-01-01 DOI: 10.3154/TVSJ.25.78
K. Kanda, K. Yagi, Ming-wei Yang
{"title":"Visualization for Polymer in Solution on Vicinity of Wall Using Evanescent Wave Light Source","authors":"K. Kanda, K. Yagi, Ming-wei Yang","doi":"10.3154/TVSJ.25.78","DOIUrl":"https://doi.org/10.3154/TVSJ.25.78","url":null,"abstract":"近年注目されているマイクロ生化学分析チップにおいてはイムノアッセイ等の壁面を利用した物質検出が行われている．そのためには対象の分子が壁面近傍に存在することが必要である．本研究では壁面から数100nmを可視化できるエバネッセント顕微鏡システムを構築し，直接観察により壁面近傍の粒子濃度分布およびブラウン運動解析を行うことを目的とした．実験においては壁面特性の影響を評価するため親水性，疎水性に表面処理した壁面上において，生体分子の代わりに微小ポリスチレン粒子を用いた．ブラウン運動解析では壁面近傍で粒子の平均移動量が減少することを明らかにし，濃度分布測定では壁面近傍での濃度が低く，壁面から離れるに従い高くなること，粒子分布が親水性，疎水性では異なることを明らかにした．壁面近傍の粒子分布には粒子と壁面との流体的相互作用や種々の物理・化学的相互作用が大きな影響を及ぼすと考察した．","PeriodicalId":226842,"journal":{"name":"Transaction of The Visualization Society of Japan","volume":"116 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123960908","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Study on Oil Flows in Submerged Multi-Pad Journal Bearings 浸没式多垫滑动轴承油流研究
Transaction of The Visualization Society of Japan Pub Date : 1900-01-01 DOI: 10.3154/JVS.19.SUPPLEMENT2_65
M. Noma, A. Mori
{"title":"Study on Oil Flows in Submerged Multi-Pad Journal Bearings","authors":"M. Noma, A. Mori","doi":"10.3154/JVS.19.SUPPLEMENT2_65","DOIUrl":"https://doi.org/10.3154/JVS.19.SUPPLEMENT2_65","url":null,"abstract":"In this report, in order to evaluate influence of pad shape on the behaviour of Taylor vortices in submerged multi-pad journal bearings, fluid film flow in bearing clearance and fluid flow between pads were visualized experimentally. Critical Taylor number decreased with an increase of pad spacing irrespective of pad shape. Two-dimensional flow field between pads were measured by Particle Image Velocimetry. In the case of streamlined pads, fluid flow entered rear pad fluently.","PeriodicalId":226842,"journal":{"name":"Transaction of The Visualization Society of Japan","volume":"25 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121470974","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Observation of Dragonfly Flying in Air and Flow 蜻蜓在空气和气流中飞行的观察
Transaction of The Visualization Society of Japan Pub Date : 1900-01-01 DOI: 10.3154/TVSJ.23.115
H. Mochizuki, Hirofumi Komaki, M. Morita, Izumi Kusamichi
{"title":"Observation of Dragonfly Flying in Air and Flow","authors":"H. Mochizuki, Hirofumi Komaki, M. Morita, Izumi Kusamichi","doi":"10.3154/TVSJ.23.115","DOIUrl":"https://doi.org/10.3154/TVSJ.23.115","url":null,"abstract":"これまでの研究において明らかにされていない，トンボが実際に野外を自由に飛行する場合の羽ばたきと，風胴中で羽ばたく二つの場合の羽ばたきをハイスピ－ド・ビデオカメラで観察した．その結果，上下に大きく羽ばたきながら自由飛行する場合と，風胴内の羽ばたきの周波数はほぼ同じ値になることを確認した．またスモ－クワイヤ法を用いて風胴中で羽ばたくことによって生じる流れを観察した結果，羽の打ち上げや打ち下しに伴って複数の渦が現れ，そのサイズが大きくなりながら互いに合体して流れていく様子を明らかにした．またトンボが水平飛行，上昇飛行及び下降飛行する場合に生じると思われる流れ，すなわち風胴中の羽ばたきにおいて後流が水平方向，下方及び上方に流れる三つの場合の後流の状態を35ｍｍカメラで観察した．その結果，三つのそれぞれの場合に応じて上流からトンボに向って流入する流れの流線は異なる曲率を描くことを明らかにした．","PeriodicalId":226842,"journal":{"name":"Transaction of The Visualization Society of Japan","volume":"19 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124309738","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
A 3D Visualization of Isometric Deformation of Minimal Surfaces on a Volumetric Display 体积显示器上最小曲面等距变形的三维可视化
Transaction of The Visualization Society of Japan Pub Date : 1900-01-01 DOI: 10.3154/TVSJ.30.39
O. Yamamoto, M. Kokubu
{"title":"A 3D Visualization of Isometric Deformation of Minimal Surfaces on a Volumetric Display","authors":"O. Yamamoto, M. Kokubu","doi":"10.3154/TVSJ.30.39","DOIUrl":"https://doi.org/10.3154/TVSJ.30.39","url":null,"abstract":"ボリュームディスプレイは，立体を3次元空間に直接描画するディスプレイである．著者らは，市販部品から容易に構成可能なボリュームディスプレイを開発した，本ディスプレイは，往復運動する蛍光表示管（VFD）上に立体の断面を順に表示し，残像効果により立体表示を行う．本論文では，このボリュームディスプレイのアプリケーションとして，極小曲面の等長変形（IDMS）の可視化ツールを提案する．IDMSは数学的に興味深い対象であるが，その変形の過程は2Dディスプレイ上の表示画像では理解が難しい．我々のアプリケーションにより，ユーザはIDMSの過程を，体積を持つ3Dアニメーション画像として観察することができる．","PeriodicalId":226842,"journal":{"name":"Transaction of The Visualization Society of Japan","volume":"424 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132025158","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Facial Information Extraction by means of the Fourier-Wavelet transforms:RGB convolution 基于傅里叶-小波变换的人脸信息提取:RGB卷积
Transaction of The Visualization Society of Japan Pub Date : 1900-01-01 DOI: 10.3154/jvs.20.1supplement_299
Chieko Kato, Yoshifuru Saito, Susumu Hanta, Youichi Hayashi, K. Horii
{"title":"Facial Information Extraction by means of the Fourier-Wavelet transforms:RGB convolution","authors":"Chieko Kato, Yoshifuru Saito, Susumu Hanta, Youichi Hayashi, K. Horii","doi":"10.3154/jvs.20.1supplement_299","DOIUrl":"https://doi.org/10.3154/jvs.20.1supplement_299","url":null,"abstract":"The extraction of inexpressive facial information has been carried out by applying RGB convolution (i.e., the convolution of each color component, Red Green and Blue) to the Saito Fourier Wavelet transforms. Pictures of a child's two different facial expressions, normal and smiling, were transformed separately for each color component. The data from this transformation was analyzed to find differences between normal faces and smiling faces, which were commonly observed in the convolution of the three colors. RGB convolution could show slight differences in facial information that the monochrome data could not reveal This method has considerable potential for extracting slight facial information of autistic children.","PeriodicalId":226842,"journal":{"name":"Transaction of The Visualization Society of Japan","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131554836","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Segmentation of Laser-scanned Data based on Logical Operation and its Application to Transparent Visualization of Japanese Traditional Houses 基于逻辑运算的激光扫描数据分割及其在日本传统房屋透明可视化中的应用
Transaction of The Visualization Society of Japan Pub Date : 1900-01-01 DOI: 10.3154/TVSJ.36.16
Shengke Wang, Kyoko Hasehawa, R. Xu, A. Okamoto, Satoshi Tanaka
{"title":"Segmentation of Laser-scanned Data based on Logical Operation and its Application to Transparent Visualization of Japanese Traditional Houses","authors":"Shengke Wang, Kyoko Hasehawa, R. Xu, A. Okamoto, Satoshi Tanaka","doi":"10.3154/TVSJ.36.16","DOIUrl":"https://doi.org/10.3154/TVSJ.36.16","url":null,"abstract":"Segmentation of Laser-scanned Data based on Logical Operation and its Application to Transparent Visualization of Japanese Traditional Houses Sheng WANG, Kyoko HASEHAWA, Rui XU, Atsushi OKAMOTO and Satoshi TANAKA ABSTRACT Recently, the terrestrial laser scanner (TLS) is actively used to acquire point cloud data of historical sites. Then, visualization of the acquired data is becoming an important research target. In our previous work, we reported the stochastic point-based rendering (SPBR), which realizes quick and high-quality visualization of laser-scanned point cloud data. It is a novel rendering solution with transparent rendering effect and quick rendering speed. As an extension of this previous research of ours, this paper proposes a novel method for segmentation of laser-scanned data to realize visualization of multi-level transparency. The proposed data segmentation method utilizes the general features of human-made structures, and is based on logical operations of point cloud sets.","PeriodicalId":226842,"journal":{"name":"Transaction of The Visualization Society of Japan","volume":"122 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132613280","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Study on thermal transport mechanism of phase change thermal storage exchange system: -Visualization of solidification and melting processes-@@@－ 融解・凝固プロセスの可視化 － 相变蓄热交换体系的热传递机理研究:-凝固和熔化过程的可视化-@@@-
Transaction of The Visualization Society of Japan Pub Date : 1900-01-01 DOI: 10.3154/TVSJ.37.64
T. Inagaki, Y. Iijima, M. Horibe, Yanrong Li
{"title":"Study on thermal transport mechanism of phase change thermal storage exchange system: -Visualization of solidification and melting processes-@@@－ 融解・凝固プロセスの可視化 －","authors":"T. Inagaki, Y. Iijima, M. Horibe, Yanrong Li","doi":"10.3154/TVSJ.37.64","DOIUrl":"https://doi.org/10.3154/TVSJ.37.64","url":null,"abstract":"A single stage phase change latent thermal storage exchange system which is useful for an ambient temperature range was experimentally investigated to develop a more complex multi phase system, and verify the validity as an energy saving system. We focused on lauric acid which is one of fatty acids as a thermal storage medium. The lauric acid is one of phase change latent heat storage materials which are harmless to the human body. The heat transport mechanisms which accompany a melting process and a solidification process were analyzed using an appropriate visualization.","PeriodicalId":226842,"journal":{"name":"Transaction of The Visualization Society of Japan","volume":"88 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133147396","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Spatio-temporal measurement of sedimenting thrombus in static blood using process tomography 利用过程断层扫描技术测量静态血液中沉淀血栓的时空
Transaction of The Visualization Society of Japan Pub Date : 1900-01-01 DOI: 10.3154/TVSJ.33.17
Y. Asakura, A. Sapkota, O. Maruyama, R. Kosaka, T. Yamane, M. Takei
{"title":"Spatio-temporal measurement of sedimenting thrombus in static blood using process tomography","authors":"Y. Asakura, A. Sapkota, O. Maruyama, R. Kosaka, T. Yamane, M. Takei","doi":"10.3154/TVSJ.33.17","DOIUrl":"https://doi.org/10.3154/TVSJ.33.17","url":null,"abstract":"The emergence of implantable artificial hearts have brought a better quality of life to heart patients, and has allowed them to leave the hospitals and return to their homes. However, detection of thrombosis in these prosthetic devices is a major challenge. In the present work, a tomographic visualization system has been tested for the possibility of real-time detection of thrombus by exploiting the electrical properties of the blood. The in-vitro experiments were conducted using bovine blood under static condition. The spatio-temporal change in conductivity was measured before, during and after the sedimentation of thrombus. When a thrombus passed through the sensor plane, rise in relative voltage was sensed in each electrode pair of the sensor. In the same time, space-averaged relative conductivity was low in the cross-section. The average conductivity of cross-section was reduced with the increase in size of the thrombus. The experiments showed the possibility of the use of electrical tomographic sensor to detect the thrombosis in real-time.","PeriodicalId":226842,"journal":{"name":"Transaction of The Visualization Society of Japan","volume":"51 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114490947","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Instantaneous Surface Temperature Measurement Applicable in a Severe Condition with Light Emission 适用于光发射恶劣条件下的瞬时表面温度测量
Transaction of The Visualization Society of Japan Pub Date : 1900-01-01 DOI: 10.3154/TVSJ.32.29
S. Someya, K. Tominaga, H. Furutani, K. Okamoto
{"title":"Instantaneous Surface Temperature Measurement Applicable in a Severe Condition with Light Emission","authors":"S. Someya, K. Tominaga, H. Furutani, K. Okamoto","doi":"10.3154/TVSJ.32.29","DOIUrl":"https://doi.org/10.3154/TVSJ.32.29","url":null,"abstract":"A luminescent properties of a phosphor material, Y2O2S:EuSm, was investigated. A temperature sensitivity of the spectral shape was only 0.008%/°C. That of the luminescent lifetime was 0.78%/°C in a range of 50~210°C. A lifetime based phosphor thermometry was performed using simple experimental setup composed of a non-intensified high speed CMOS camera, a single-pulsed UV laser and a phosphor coated with a thin metal film. The proposed system makes it possible to measure an instantaneous wall temperature even in a combustion chamber. It was demonstrated that the effect of the excitation power on the phosphor lifetime was small and that the coated metal film never affected to the phosphor lifetime. The temperature uncertainty was ±4.4°C which was evaluated from the measurements of temperature uniform fields. Then, the instantaneous wall temperature measurement was demonstrated in a severe condition with a combustion flame in the RCEM. The measured temperatures were qualitatively correct.","PeriodicalId":226842,"journal":{"name":"Transaction of The Visualization Society of Japan","volume":"11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114621615","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Flow Visualization and Occlusion Phenomenon in Cerebral Aneurysm Model at Side Wall by Stent 脑动脉瘤侧壁支架模型血流显示及闭塞现象
Transaction of The Visualization Society of Japan Pub Date : 1900-01-01 DOI: 10.3154/TVSJ.33.1
M. Kaneko, Taiki Koizumi, H. Ujiié, R. Yamaguchi
{"title":"Flow Visualization and Occlusion Phenomenon in Cerebral Aneurysm Model at Side Wall by Stent","authors":"M. Kaneko, Taiki Koizumi, H. Ujiié, R. Yamaguchi","doi":"10.3154/TVSJ.33.1","DOIUrl":"https://doi.org/10.3154/TVSJ.33.1","url":null,"abstract":"Makoto KANEKO, Taiki KOIZUMI, Hiroshi UJIIE and Ryuhei YAMAGUCHI ABSTRACT Recently, the stent has been employed for the treatment of vascular disease. In the present paper, the effect of the metal stent on the flow structure in the globate aneurysm has been visualized by PIV in vitro. The flow model is simplified by the globate cerebral aneurysm model at the side wall. The Reynolds number and the non-dimensional frequency correspond to the range of human cerebral artery flow parameter. As a major assessment variable for stent characteristics, the wall shear stress is examined for both stented and nonstented models. Consequently, the flow velocity and the wall shear stress inside the aneurysm with stent are much smaller than those without stent. Therefore, the flow characteristics quantitatively indicate to suppress the magnitude of wall shear stress with stent compared with that without stent. This would suggest that the stent possesses the possibility of occlusion of aneurysm due to the appearance and the development of thrombosis.","PeriodicalId":226842,"journal":{"name":"Transaction of The Visualization Society of Japan","volume":"65 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123210998","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
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