{"title":"电阻抗成像中不同电流模式的误差比较","authors":"K. Cheng, D. Isaacson, J. Newell, D. Gisser","doi":"10.1109/IEMBS.1988.94516","DOIUrl":null,"url":null,"abstract":"Different current patterns used in electric-current computed tomography (ECCT) were compared for their sensitivity to noise. This comparison was made by examining the error produced in reconstructing one voltage pattern from measurements made using another. It was found that the adjacent-pair current pattern is more sensitive to noise than spatial trigonometric current patterns. The measured spatial trigonometric voltage patterns were not degraded when a simulated electrode contact impedance was introduced.<<ETX>>","PeriodicalId":227170,"journal":{"name":"Proceedings of the Annual International Conference of the IEEE Engineering in Medicine and Biology Society","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"1988-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"2","resultStr":"{\"title\":\"Error comparison for different current patterns in electrical impedance imaging\",\"authors\":\"K. Cheng, D. Isaacson, J. Newell, D. Gisser\",\"doi\":\"10.1109/IEMBS.1988.94516\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Different current patterns used in electric-current computed tomography (ECCT) were compared for their sensitivity to noise. This comparison was made by examining the error produced in reconstructing one voltage pattern from measurements made using another. It was found that the adjacent-pair current pattern is more sensitive to noise than spatial trigonometric current patterns. The measured spatial trigonometric voltage patterns were not degraded when a simulated electrode contact impedance was introduced.<<ETX>>\",\"PeriodicalId\":227170,\"journal\":{\"name\":\"Proceedings of the Annual International Conference of the IEEE Engineering in Medicine and Biology Society\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1988-11-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"2\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Proceedings of the Annual International Conference of the IEEE Engineering in Medicine and Biology Society\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/IEMBS.1988.94516\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Proceedings of the Annual International Conference of the IEEE Engineering in Medicine and Biology Society","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/IEMBS.1988.94516","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Error comparison for different current patterns in electrical impedance imaging
Different current patterns used in electric-current computed tomography (ECCT) were compared for their sensitivity to noise. This comparison was made by examining the error produced in reconstructing one voltage pattern from measurements made using another. It was found that the adjacent-pair current pattern is more sensitive to noise than spatial trigonometric current patterns. The measured spatial trigonometric voltage patterns were not degraded when a simulated electrode contact impedance was introduced.<>
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