J. Travere, C. Balorin, G. Caulier, C. Desgranges, G. Dunand, M. Jouve, P. Moreau, N. Ravenel
{"title":"Image Analysis of Infrared Quantitative Data Applied to Tokamak Survey and Safety: present and future","authors":"J. Travere, C. Balorin, G. Caulier, C. Desgranges, G. Dunand, M. Jouve, P. Moreau, N. Ravenel","doi":"10.1109/WISP.2007.4447641","DOIUrl":null,"url":null,"abstract":"During operation of present fusion devices, the plasma facing components (PFCs) are submitted to large heat fluxes within a range of 10-20 MW/m2. Understanding and preventing overheating of these components during long pulse discharges is a crucial issue. The surface temperature of the PFCs in the inner chamber of a tokamak is measured by infrared (IR) cameras interfaced with complex optical systems. Due to the complexity of the observed IR scenes and the large amount of data produced, a computer-aided analysis of infrared images will be a key point for ITER, the next fusion device for both real-time applications and deferred-time analysis. This paper describes the current state of IR image analysis based on region of interest (ROI) approach at Tore Supra with an extrapolation to the future ITER tokamak.","PeriodicalId":164902,"journal":{"name":"2007 IEEE International Symposium on Intelligent Signal Processing","volume":"222 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2007-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"4","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2007 IEEE International Symposium on Intelligent Signal Processing","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/WISP.2007.4447641","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 4
Abstract
During operation of present fusion devices, the plasma facing components (PFCs) are submitted to large heat fluxes within a range of 10-20 MW/m2. Understanding and preventing overheating of these components during long pulse discharges is a crucial issue. The surface temperature of the PFCs in the inner chamber of a tokamak is measured by infrared (IR) cameras interfaced with complex optical systems. Due to the complexity of the observed IR scenes and the large amount of data produced, a computer-aided analysis of infrared images will be a key point for ITER, the next fusion device for both real-time applications and deferred-time analysis. This paper describes the current state of IR image analysis based on region of interest (ROI) approach at Tore Supra with an extrapolation to the future ITER tokamak.
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