{"title":"Maintenance of connected components in quadtree-based image representation","authors":"V. Khanna, Phalguni Gupta, C. Hwang","doi":"10.1109/ITCC.2001.918870","DOIUrl":null,"url":null,"abstract":"In this paper, we have considered the problem of maintaining connected components in quadtree representation of binary images when a small portion of the image undergoes change. The batch approach to re-compute the connected components information is very expensive. Our algorithms update the quadtree as well as the connected components' labeling when a homogeneous region in the quadtree is changing. The updating algorithms visit less nodes compared to the batch approach.","PeriodicalId":318295,"journal":{"name":"Proceedings International Conference on Information Technology: Coding and Computing","volume":"12 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2001-04-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"2","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Proceedings International Conference on Information Technology: Coding and Computing","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ITCC.2001.918870","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 2
Abstract
In this paper, we have considered the problem of maintaining connected components in quadtree representation of binary images when a small portion of the image undergoes change. The batch approach to re-compute the connected components information is very expensive. Our algorithms update the quadtree as well as the connected components' labeling when a homogeneous region in the quadtree is changing. The updating algorithms visit less nodes compared to the batch approach.
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