A flexible new method for 3D measurement based on multi-view image sequences

Haihua Cui; Zhimin Zhao; Xiaosheng Cheng; Changye Guo; Huayu Jia

doi:10.1117/12.2247699

24 November 2016 A flexible new method for 3D measurement based on multi-view image sequences

Haihua Cui, Zhimin Zhao, Xiaosheng Cheng, Changye Guo, Huayu Jia

Proceedings Volume 10023, Optical Metrology and Inspection for Industrial Applications IV; 1002320 (2016) https://doi.org/10.1117/12.2247699
Event: SPIE/COS Photonics Asia, 2016, Beijing, China

Abstract

Three-dimensional measurement is the base part for reverse engineering. The paper developed a new flexible and fast optical measurement method based on multi-view geometry theory. At first, feature points are detected and matched with improved SIFT algorithm. The Hellinger Kernel is used to estimate the histogram distance instead of traditional Euclidean distance, which is immunity to the weak texture image; then a new filter three-principle for filtering the calculation of essential matrix is designed, the essential matrix is calculated using the improved a Contrario Ransac filter method. One view point cloud is constructed accurately with two view images; after this, the overlapped features are used to eliminate the accumulated errors caused by added view images, which improved the camera’s position precision. At last, the method is verified with the application of dental restoration CAD/CAM, experiment results show that the proposed method is fast, accurate and flexible for tooth 3D measurement.

Citation Download Citation

Haihua Cui, Zhimin Zhao, Xiaosheng Cheng, Changye Guo, and Huayu Jia "A flexible new method for 3D measurement based on multi-view image sequences", Proc. SPIE 10023, Optical Metrology and Inspection for Industrial Applications IV, 1002320 (24 November 2016); https://doi.org/10.1117/12.2247699

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