{"title":"Solving the shape-from-shading problem on the CM-5","authors":"M. Brooks, W. Chojnacki, A. van den Hengel","doi":"10.1109/CAMP.1995.521040","DOIUrl":null,"url":null,"abstract":"We consider the problem of recovering surface shape from image shading for the situation in which a distant overhead \"sun\" illuminates a Lambertian surface. An iterative scheme is presented which requires no prerequisite shape information. This scheme forms the basis for a parallel algorithm implemented on a CM-5. Performance of the CM-5 implementation is compared with that of a sequential implementation running on a Sun Sparc 2. Also considered are the complexity and scalability of the parallel algorithm as a function of image size and number of processors, respectively.","PeriodicalId":277209,"journal":{"name":"Proceedings of Conference on Computer Architectures for Machine Perception","volume":"40 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1995-09-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"2","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Proceedings of Conference on Computer Architectures for Machine Perception","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/CAMP.1995.521040","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
We consider the problem of recovering surface shape from image shading for the situation in which a distant overhead "sun" illuminates a Lambertian surface. An iterative scheme is presented which requires no prerequisite shape information. This scheme forms the basis for a parallel algorithm implemented on a CM-5. Performance of the CM-5 implementation is compared with that of a sequential implementation running on a Sun Sparc 2. Also considered are the complexity and scalability of the parallel algorithm as a function of image size and number of processors, respectively.
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