| A 3D acquisition system combination of structured-light scanning and shape from silhouette |
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| 作者姓名： | 孙长库 陶立 王鹏 何丽 |
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| 作者单位： | State Key Laboratory of Precision Measuring Technology and Instruments Tianjin University，Tianjin 300072，State Key Laboratory of Precision Measuring Technology and Instruments，Tianjin University，Tianjin 300072，State Key Laboratory of Precision Measuring Technology and Instruments，Tianjin University，Tianjin 300072，State Key Laboratory of Precision Measuring Technology and Instruments，Tianjin University，Tianjin 300072 |
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| 基金项目： | This work was supported by the Tianjin Key Technology Program under Grant No. 033105211. |
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| 摘 要： | A robust and accurate three dimensional (3D) acquisition system is presented, which is a combination of structured-light scanning and shape from silhouette. Using common world coordinate system, two groups of point data can be integrated into the final complete 3D model without any integration and registration algorithm. The mathematics model of structured-light scanning is described in detail, and the shape from silhouette algorithm is introduced as well. The complete 3D model of a cup with a handle is obtained successfully by the proposed technique. At last the measurement on a ball bearing is performed, with the measurement precision better than 0.15 mm.
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