Pub Date : 2023-06-23DOI: 10.1007/s12650-023-00932-4
Bo Sun, P. N. Darma, Kaname Ikeda, Tomoyuki Shirai, Kosei Narita, M. Takei
{"title":"Relationship between fat thickness and current density magnitude in calf muscles compartments under electrical muscle stimulation (EMS) by coupling of electromagnetic simulation and electrical impedance tomography (ES-EIT)","authors":"Bo Sun, P. N. Darma, Kaname Ikeda, Tomoyuki Shirai, Kosei Narita, M. Takei","doi":"10.1007/s12650-023-00932-4","DOIUrl":"https://doi.org/10.1007/s12650-023-00932-4","url":null,"abstract":"","PeriodicalId":54756,"journal":{"name":"Journal of Visualization","volume":"170 1","pages":"1375 - 1388"},"PeriodicalIF":1.7,"publicationDate":"2023-06-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73805640","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-06-22DOI: 10.1007/s12650-023-00929-z
Yu-Feng Li, Zhenbao Fan, Yixuan Zhu, Christine Yan, Kang Zhang
{"title":"Comparing color usage in abstract, oil, and Chinese ink paintings","authors":"Yu-Feng Li, Zhenbao Fan, Yixuan Zhu, Christine Yan, Kang Zhang","doi":"10.1007/s12650-023-00929-z","DOIUrl":"https://doi.org/10.1007/s12650-023-00929-z","url":null,"abstract":"","PeriodicalId":54756,"journal":{"name":"Journal of Visualization","volume":"10 1","pages":"1389 - 1404"},"PeriodicalIF":1.7,"publicationDate":"2023-06-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80092960","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-06-01DOI: 10.1007/s12650-023-00930-6
Baldwin Nsonga, J. Ventosa-Molina, D. Koschichow, J. Fröhlich, S. Gumhold, G. Scheuermann
{"title":"Visual analysis of the impact of periodic wakes on the pressure side of a turbine blade","authors":"Baldwin Nsonga, J. Ventosa-Molina, D. Koschichow, J. Fröhlich, S. Gumhold, G. Scheuermann","doi":"10.1007/s12650-023-00930-6","DOIUrl":"https://doi.org/10.1007/s12650-023-00930-6","url":null,"abstract":"","PeriodicalId":54756,"journal":{"name":"Journal of Visualization","volume":"118 1","pages":"1115 - 1137"},"PeriodicalIF":1.7,"publicationDate":"2023-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88011955","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-05-31DOI: 10.1007/s12650-023-00922-6
Azamatjon Kakhramon Ugli Malikov, Manuel Fernando Flores Cuenca, Beomjin Kim, Younho Cho, Young H Kim
Abstract: The containment liner plate (CLP) is a thin layer of carbon steel material applied as a base for concrete structures protecting nuclear material. The structural health monitoring of the CLP is critical to ensure the safety of nuclear power plants. Hidden defects in the CLP can be identified utilizing ultrasonic tomographic imaging techniques such as the reconstruction algorithm for the probabilistic inspection of damage (RAPID) methodology. However, Lamb waves have a multimodal dispersion feature, which makes the selection of a single mode more difficult. Thus, sensitivity analysis was utilized since it allows for the determination of each mode's level of sensitivity as a function of frequency; the S0 mode was chosen after examining the sensitivity. Even though proper Lamb wave mode was selected, the tomographic image had blurred zones. Blurring reduces the precision of an ultrasonic image and makes it more difficult to distinguish the dimensions of the flaw. To enhance the tomographic image of the CLP, deep learning architecture such as U-Net was utilized for the segmentation of the experimental ultrasonic tomographic image, which includes an encoder and decoder part for better visualization of the tomographic image. Nevertheless, collecting enough ultrasonic images to train the U-Net model was not economically feasible, and only a small number of the CLP specimens can be tested. Thus, it was necessary to utilize transfer learning and get the values of the parameters from a pre-trained model with a much larger dataset as a starting point for a new task, rather than training a new model from scratch. Through these deep learning approaches, we were able to eliminate the blurred section of the ultrasonic tomography, leading to images with clear edges of defects and no blurred zones.
{"title":"Ultrasonic tomography imaging enhancement approach based on deep convolutional neural networks.","authors":"Azamatjon Kakhramon Ugli Malikov, Manuel Fernando Flores Cuenca, Beomjin Kim, Younho Cho, Young H Kim","doi":"10.1007/s12650-023-00922-6","DOIUrl":"10.1007/s12650-023-00922-6","url":null,"abstract":"<p><strong>Abstract: </strong>The containment liner plate (CLP) is a thin layer of carbon steel material applied as a base for concrete structures protecting nuclear material. The structural health monitoring of the CLP is critical to ensure the safety of nuclear power plants. Hidden defects in the CLP can be identified utilizing ultrasonic tomographic imaging techniques such as the reconstruction algorithm for the probabilistic inspection of damage (RAPID) methodology. However, Lamb waves have a multimodal dispersion feature, which makes the selection of a single mode more difficult. Thus, sensitivity analysis was utilized since it allows for the determination of each mode's level of sensitivity as a function of frequency; the S0 mode was chosen after examining the sensitivity. Even though proper Lamb wave mode was selected, the tomographic image had blurred zones. Blurring reduces the precision of an ultrasonic image and makes it more difficult to distinguish the dimensions of the flaw. To enhance the tomographic image of the CLP, deep learning architecture such as U-Net was utilized for the segmentation of the experimental ultrasonic tomographic image, which includes an encoder and decoder part for better visualization of the tomographic image. Nevertheless, collecting enough ultrasonic images to train the U-Net model was not economically feasible, and only a small number of the CLP specimens can be tested. Thus, it was necessary to utilize transfer learning and get the values of the parameters from a pre-trained model with a much larger dataset as a starting point for a new task, rather than training a new model from scratch. Through these deep learning approaches, we were able to eliminate the blurred section of the ultrasonic tomography, leading to images with clear edges of defects and no blurred zones.</p><p><strong>Graphical abstract: </strong></p>","PeriodicalId":54756,"journal":{"name":"Journal of Visualization","volume":" ","pages":"1-17"},"PeriodicalIF":1.7,"publicationDate":"2023-05-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10230144/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10091887","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-05-13DOI: 10.1007/s12650-023-00928-0
Xiaoying Shi, Jiaming Zhang, Z. Liang, D. Seng
{"title":"MADDPGViz: a visual analytics approach to understand multi-agent deep reinforcement learning","authors":"Xiaoying Shi, Jiaming Zhang, Z. Liang, D. Seng","doi":"10.1007/s12650-023-00928-0","DOIUrl":"https://doi.org/10.1007/s12650-023-00928-0","url":null,"abstract":"","PeriodicalId":54756,"journal":{"name":"Journal of Visualization","volume":"102 1","pages":"1189 - 1205"},"PeriodicalIF":1.7,"publicationDate":"2023-05-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84907386","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-05-13DOI: 10.1007/s12650-023-00927-1
Yuanliang Xie, W. Yin, Xinxian Zhang, Yi Zhou
{"title":"Visualization of the rotational and irrotational motions in a temporally evolving turbulent plane jet","authors":"Yuanliang Xie, W. Yin, Xinxian Zhang, Yi Zhou","doi":"10.1007/s12650-023-00927-1","DOIUrl":"https://doi.org/10.1007/s12650-023-00927-1","url":null,"abstract":"","PeriodicalId":54756,"journal":{"name":"Journal of Visualization","volume":"94 1","pages":"1025 - 1036"},"PeriodicalIF":1.7,"publicationDate":"2023-05-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74923129","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-05-08DOI: 10.1007/s12650-023-00916-4
Tomomi Terada, D. Noto, Y. Tasaka, T. Miyagoshi, T. Yanagisawa
{"title":"Structural variety of developing and equilibrium horizontal convection confined in a rectangular vessel resulting from different heating plate arrangements","authors":"Tomomi Terada, D. Noto, Y. Tasaka, T. Miyagoshi, T. Yanagisawa","doi":"10.1007/s12650-023-00916-4","DOIUrl":"https://doi.org/10.1007/s12650-023-00916-4","url":null,"abstract":"","PeriodicalId":54756,"journal":{"name":"Journal of Visualization","volume":"477 1","pages":"1055 - 1066"},"PeriodicalIF":1.7,"publicationDate":"2023-05-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77249707","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-05-06DOI: 10.1007/s12650-023-00919-1
Haiyang Yu, Donglai Gao, Wen-li Chen, Z. Deng
{"title":"Effects of a pair of adjacent rods on circular cylinder flow","authors":"Haiyang Yu, Donglai Gao, Wen-li Chen, Z. Deng","doi":"10.1007/s12650-023-00919-1","DOIUrl":"https://doi.org/10.1007/s12650-023-00919-1","url":null,"abstract":"","PeriodicalId":54756,"journal":{"name":"Journal of Visualization","volume":"29 1","pages":"1037 - 1053"},"PeriodicalIF":1.7,"publicationDate":"2023-05-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77585929","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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