{"title":"课堂录音中手势检测的经验方法","authors":"Xiaojie Zha, M. Bourguet","doi":"10.1145/2983310.2989193","DOIUrl":null,"url":null,"abstract":"Pointing gestures performed by lecturers are important because they seem to indicate pedagogical significance. In this extended abstract, we describe a simple empirical method for detecting pointing gestures in recorded lectures captured using a depth sensor (Kinect). We first analyse component gestures; second, we assign them weights; finally, we set a threshold on the aggregated weight in order to decide if a pointing gesture has been performed.","PeriodicalId":185819,"journal":{"name":"Proceedings of the 2016 Symposium on Spatial User Interaction","volume":"123 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2016-10-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Empirical Method for Detecting Pointing Gestures in Recorded Lectures\",\"authors\":\"Xiaojie Zha, M. Bourguet\",\"doi\":\"10.1145/2983310.2989193\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Pointing gestures performed by lecturers are important because they seem to indicate pedagogical significance. In this extended abstract, we describe a simple empirical method for detecting pointing gestures in recorded lectures captured using a depth sensor (Kinect). We first analyse component gestures; second, we assign them weights; finally, we set a threshold on the aggregated weight in order to decide if a pointing gesture has been performed.\",\"PeriodicalId\":185819,\"journal\":{\"name\":\"Proceedings of the 2016 Symposium on Spatial User Interaction\",\"volume\":\"123 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2016-10-15\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Proceedings of the 2016 Symposium on Spatial User Interaction\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1145/2983310.2989193\",\"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 2016 Symposium on Spatial User Interaction","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1145/2983310.2989193","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Empirical Method for Detecting Pointing Gestures in Recorded Lectures
Pointing gestures performed by lecturers are important because they seem to indicate pedagogical significance. In this extended abstract, we describe a simple empirical method for detecting pointing gestures in recorded lectures captured using a depth sensor (Kinect). We first analyse component gestures; second, we assign them weights; finally, we set a threshold on the aggregated weight in order to decide if a pointing gesture has been performed.
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