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Proceedings. International Conference on Recent Advances in 3-D Digital Imaging and Modeling (Cat. No.97TB100134)最新文献

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A portable three-dimensional digitizer 一种便携式三维数字化仪
Proceedings. International Conference on Recent Advances in 3-D Digital Imaging and Modeling (Cat. No.97TB100134) Pub Date : 1997-05-12 DOI: 10.1109/IM.1997.603866
Y. Matsumoto, H. Terasaki, K. Sugimoto, T. Arakawa
{"title":"A portable three-dimensional digitizer","authors":"Y. Matsumoto, H. Terasaki, K. Sugimoto, T. Arakawa","doi":"10.1109/IM.1997.603866","DOIUrl":"https://doi.org/10.1109/IM.1997.603866","url":null,"abstract":"A portable three-dimensional digitizer using a monocular camera is presented in this paper. The digitizer automatically acquires the shape of a target object as well as its texture. The digitizer has the following advantages: 1) compact and inexpensive, 2) skill-free 3D image acquisition, and 3) handles a wide range of objects of various materials. The digitizing algorithm is based on the \"Shape-from-Silhouette\" framework, where several novel techniques are embedded as follows. In the silhouette extraction, not only pixel-level subtraction between images but also region-level subtraction are embedded so as to achieve precise extraction. The texture acquisition is treated as a labeling problem in an energy minimization framework, which enables us to get realistic textures with a simple operation. Our experiments showed that the digitizing speed of the digitizer was practical.","PeriodicalId":337843,"journal":{"name":"Proceedings. International Conference on Recent Advances in 3-D Digital Imaging and Modeling (Cat. No.97TB100134)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1997-05-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129132385","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 47
Automatic reconstruction of 3D objects using a mobile monoscopic camera 使用移动单镜相机自动重建3D物体
Proceedings. International Conference on Recent Advances in 3-D Digital Imaging and Modeling (Cat. No.97TB100134) Pub Date : 1997-05-12 DOI: 10.1109/IM.1997.603863
W. Niem, J. Wingbermühle
{"title":"Automatic reconstruction of 3D objects using a mobile monoscopic camera","authors":"W. Niem, J. Wingbermühle","doi":"10.1109/IM.1997.603863","DOIUrl":"https://doi.org/10.1109/IM.1997.603863","url":null,"abstract":"A method for the automatic reconstruction of 3D objects from multiple camera views for 3D multimedia applications is presented. Conventional 3D reconstruction techniques use equipment that restrict the flexibility of the user. In order to increase this flexibility, the presented method is characterized by a simple measurement environment, that consists of a new calibration pattern placed below the object allowing object and pattern acquisition simultaneously. This ensures, that each view can be calibrated individually. From these obtained calibrated camera views, a textured 3D wireframe model is estimated using a shape-from-silhouette approach and texture mapping of the original camera views. Experiments with this system have confirmed a significant gain of flexibility for the user and a drastic reduction of costs for technical equipment while ensuring comparable model quality as conventional reconstruction techniques at the same time.","PeriodicalId":337843,"journal":{"name":"Proceedings. International Conference on Recent Advances in 3-D Digital Imaging and Modeling (Cat. No.97TB100134)","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1997-05-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132207643","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 80
Nefertiti: a query by content software for three-dimensional models databases management Nefertiti:一个查询由内容软件进行的三维模型数据库管理
Proceedings. International Conference on Recent Advances in 3-D Digital Imaging and Modeling (Cat. No.97TB100134) Pub Date : 1997-05-12 DOI: 10.1109/IM.1997.603886
E. Paquet, M. Rioux
{"title":"Nefertiti: a query by content software for three-dimensional models databases management","authors":"E. Paquet, M. Rioux","doi":"10.1109/IM.1997.603886","DOIUrl":"https://doi.org/10.1109/IM.1997.603886","url":null,"abstract":"This paper presents a new approach for the classification and retrieval of three-dimensional images and models from databases. A set of retrieval algorithms is introduced. These algorithms are content-based, meaning that the input is not made out of keywords but of three-dimensional models. Tensor of inertia, distribution of normals, distribution of cords and multiresolution analysis are used to describe each model. The database can be searched by scale, shape or color or any combination of these parameters. A user friendly interface makes the retrieval operation simple and intuitive and allows to edit reference models according to the specifications of the user. Experimental results using a database of more than 400 range images and 1000 VRML models are presented.","PeriodicalId":337843,"journal":{"name":"Proceedings. International Conference on Recent Advances in 3-D Digital Imaging and Modeling (Cat. No.97TB100134)","volume":"58 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1997-05-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121572705","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 101
Shape measurement of discontinuous objects using projected fringes and temporal phase unwrapping 使用投影条纹和时间相位展开的不连续物体的形状测量
Proceedings. International Conference on Recent Advances in 3-D Digital Imaging and Modeling (Cat. No.97TB100134) Pub Date : 1997-05-12 DOI: 10.1109/IM.1997.603847
H. Saldner, J. M. Huntley
{"title":"Shape measurement of discontinuous objects using projected fringes and temporal phase unwrapping","authors":"H. Saldner, J. M. Huntley","doi":"10.1109/IM.1997.603847","DOIUrl":"https://doi.org/10.1109/IM.1997.603847","url":null,"abstract":"Temporal phase unwrapping is a method of analyzing fringe patterns in which the fringe phase, /spl Phi/, at each pixel is measured and unwrapped as a function of time, t. We propose a method for improving the signal-to-noise ratio of the total phase change by incorporating data from the intermediate phase values. The performance of the method is compared theoretical and experimentally, using data from a fringe projector based on a spatial tight modulator. The best way to use the method is with /spl Phi/ decreasing exponentially with time from its maximum value to zero; this provides significant improvements in reliability, accuracy and computation time compared with the original temporal unwrapping algorithm.","PeriodicalId":337843,"journal":{"name":"Proceedings. International Conference on Recent Advances in 3-D Digital Imaging and Modeling (Cat. No.97TB100134)","volume":"105 ","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1997-05-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"113990116","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
Geometric matching of 3D objects: assessing the range of successful initial configurations 三维物体的几何匹配:评估成功初始配置的范围
Proceedings. International Conference on Recent Advances in 3-D Digital Imaging and Modeling (Cat. No.97TB100134) Pub Date : 1900-01-01 DOI: 10.1109/IM.1997.603854
Heinz Hugli, C. Schutz
{"title":"Geometric matching of 3D objects: assessing the range of successful initial configurations","authors":"Heinz Hugli, C. Schutz","doi":"10.1109/IM.1997.603854","DOIUrl":"https://doi.org/10.1109/IM.1997.603854","url":null,"abstract":"This paper considers the matching of 3D objects by a geometric approach based on the iterative closest point algorithm (ICP), which, starting from an initial configuration of two rigid objects, iteratively finds their best correspondence. The algorithm does not converge always to the best solution. It can be trapped in a local minimum and miss the optimum matching. While the convergence of this algorithm towards the global minimum is known to depend largely on the initial configuration of test and model objects, this paper investigates the quantitative nature of this dependence. Considering the space C of relative configurations of the two objects to be compared, we call range of successful initial configurations, or SIC-range, the subspace of C which configurations bring the algorithm to converge to the global minimum. In this paper, we present a frame for analyzing the SIC-range of 3D objects and present a number of original experimental results assessing the SIC-range of a number of real 3D objects.","PeriodicalId":337843,"journal":{"name":"Proceedings. International Conference on Recent Advances in 3-D Digital Imaging and Modeling (Cat. No.97TB100134)","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116234708","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 23
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