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帮忙查下文献被哪个数据库检索，谢谢 文章名字：Three-dimensional shape measurement using binary spatio-temporal encoded illumination 发表在OSA的会议文章。 请帮忙查下有没有被SCI、EI、SSCI、ISTP、A＆HCI等收录，有的话请告知，谢谢！ |
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yangbiao
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wang_rui
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Three-dimensional shape measurement using binary spatio-temporal encoded illumination Yong Li, Hongzhen Jin and Hui Wang Institute of Information Optics, Zhejiang Normal University, Jinhua 321004, People's Republic of China E-mail: liyong@zjnu.cn Abstract. A new approach for three-dimensional shape measurement is proposed. The corresponding point pairs between the projector and camera are identified by projecting a special pseudorandom sequence onto the surface of measured objects. The important properties of this sequence are expressed as follows: (1) any subsequence with a length of four symbols is unique; (2) there are no repeated symbols in any subsequence. The pseudorandom sequence is constructed with an alphabet of six symbols. These symbols are encoded with local spatial and temporal information by pixels in vertical strips of the projector plane. During measurement, the patterns for encoding are projected in turn and are captured with a camera. The projected pseudorandom sequence is retrieved by analysing the captured images. Then, the corresponding point pairs are worked out. Finally, the shapes of objects are reconstructed with triangulation. The experimental results reveal that a dense depth image with high resolution can be obtained. However, texture can be acquired simultaneously. The proposed method is robust. Keywords: range sensor, optical measurement, three-dimensional imaging, structured light Print publication: Issue 7 (July 2009) Received 19 October 2008, accepted for publication 25 March 2009 Published 20 April 2009 |
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btingting
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Three-dimensional shape measurement using binary spatio-temporal encoded illumination Yong Li et al 2009 J. Opt. A: Pure Appl. Opt. 11 075502 (7pp) doi: 10.1088/1464-4258/11/7/075502 Yong Li, Hongzhen Jin and Hui Wang Institute of Information Optics, Zhejiang Normal University, Jinhua 321004, People's Republic of China E-mail: liyong@zjnu.cn Abstract. A new approach for three-dimensional shape measurement is proposed. The corresponding point pairs between the projector and camera are identified by projecting a special pseudorandom sequence onto the surface of measured objects. The important properties of this sequence are expressed as follows: (1) any subsequence with a length of four symbols is unique; (2) there are no repeated symbols in any subsequence. The pseudorandom sequence is constructed with an alphabet of six symbols. These symbols are encoded with local spatial and temporal information by pixels in vertical strips of the projector plane. During measurement, the patterns for encoding are projected in turn and are captured with a camera. The projected pseudorandom sequence is retrieved by analysing the captured images. Then, the corresponding point pairs are worked out. Finally, the shapes of objects are reconstructed with triangulation. The experimental results reveal that a dense depth image with high resolution can be obtained. However, texture can be acquired simultaneously. The proposed method is robust. Keywords: range sensor, optical measurement, three-dimensional imaging, structured light Print publication: Issue 7 (July 2009) Received 19 October 2008, accepted for publication 25 March 2009 Published 20 April 2009 |
5楼2009-12-30 18:01:20
btingting
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