{"title":"新的定义和快速识别数字直线段和弧","authors":"V. Kovalevsky","doi":"10.1109/ICPR.1990.119324","DOIUrl":null,"url":null,"abstract":"The definition and recognition algorithm for a digital straight segment (DSS) is presented. The points of a DSS must have a limited distance from that edge. A recognition algorithm is given which uses only integer arithmetic and needs an average of about 10 such operations per point. The definition of a digital circular arc (DCA) which uses the notion of centers of the pixels (a pixel is considered as an elementary rectangular area) on both sides of a given curve is given. The centers comprise two sets: the left and the right. The curve is a DCA if a Euclidean circle separating the sets from each other exists. An efficient algorithm for finding all such circles is presented.<<ETX>>","PeriodicalId":135937,"journal":{"name":"[1990] Proceedings. 10th International Conference on Pattern Recognition","volume":"32 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1990-06-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"96","resultStr":"{\"title\":\"New definition and fast recognition of digital straight segments and arcs\",\"authors\":\"V. Kovalevsky\",\"doi\":\"10.1109/ICPR.1990.119324\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"The definition and recognition algorithm for a digital straight segment (DSS) is presented. The points of a DSS must have a limited distance from that edge. A recognition algorithm is given which uses only integer arithmetic and needs an average of about 10 such operations per point. The definition of a digital circular arc (DCA) which uses the notion of centers of the pixels (a pixel is considered as an elementary rectangular area) on both sides of a given curve is given. The centers comprise two sets: the left and the right. The curve is a DCA if a Euclidean circle separating the sets from each other exists. An efficient algorithm for finding all such circles is presented.<<ETX>>\",\"PeriodicalId\":135937,\"journal\":{\"name\":\"[1990] Proceedings. 10th International Conference on Pattern Recognition\",\"volume\":\"32 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1990-06-16\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"96\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"[1990] Proceedings. 10th International Conference on Pattern Recognition\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/ICPR.1990.119324\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"[1990] Proceedings. 10th International Conference on Pattern Recognition","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ICPR.1990.119324","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
New definition and fast recognition of digital straight segments and arcs
The definition and recognition algorithm for a digital straight segment (DSS) is presented. The points of a DSS must have a limited distance from that edge. A recognition algorithm is given which uses only integer arithmetic and needs an average of about 10 such operations per point. The definition of a digital circular arc (DCA) which uses the notion of centers of the pixels (a pixel is considered as an elementary rectangular area) on both sides of a given curve is given. The centers comprise two sets: the left and the right. The curve is a DCA if a Euclidean circle separating the sets from each other exists. An efficient algorithm for finding all such circles is presented.<>
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