{"title":"眼球追踪仪的精确性:一项新措施的案例","authors":"P. Blignaut, T. Beelders","doi":"10.1145/2168556.2168618","DOIUrl":null,"url":null,"abstract":"Several possible measures for the precision of an eye-tracker exist. The fact that the commonly used measures of standard deviation and RMS lack with respect to their ability to produce replicable results with varying frame rate, gaze distance and arrangement of samples within a fixation, makes it difficult to compare eye-trackers. It is proposed that an area-based measure, BCEA, is adapted to provide a one dimensional quantity that is intuitive, independent of frame rate and sensitive to small jerks in the reported fixation position.","PeriodicalId":142459,"journal":{"name":"Proceedings of the Symposium on Eye Tracking Research and Applications","volume":"18 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2012-03-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"34","resultStr":"{\"title\":\"The precision of eye-trackers: a case for a new measure\",\"authors\":\"P. Blignaut, T. Beelders\",\"doi\":\"10.1145/2168556.2168618\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Several possible measures for the precision of an eye-tracker exist. The fact that the commonly used measures of standard deviation and RMS lack with respect to their ability to produce replicable results with varying frame rate, gaze distance and arrangement of samples within a fixation, makes it difficult to compare eye-trackers. It is proposed that an area-based measure, BCEA, is adapted to provide a one dimensional quantity that is intuitive, independent of frame rate and sensitive to small jerks in the reported fixation position.\",\"PeriodicalId\":142459,\"journal\":{\"name\":\"Proceedings of the Symposium on Eye Tracking Research and Applications\",\"volume\":\"18 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2012-03-28\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"34\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Proceedings of the Symposium on Eye Tracking Research and Applications\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1145/2168556.2168618\",\"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 Symposium on Eye Tracking Research and Applications","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1145/2168556.2168618","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
The precision of eye-trackers: a case for a new measure
Several possible measures for the precision of an eye-tracker exist. The fact that the commonly used measures of standard deviation and RMS lack with respect to their ability to produce replicable results with varying frame rate, gaze distance and arrangement of samples within a fixation, makes it difficult to compare eye-trackers. It is proposed that an area-based measure, BCEA, is adapted to provide a one dimensional quantity that is intuitive, independent of frame rate and sensitive to small jerks in the reported fixation position.
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