CVFX Lecture 24: Structured light scanning
ECSE-6969 Computer Vision for Visual Effects
Rich Radke, Rensselaer Polytechnic Institute
Lecture 24: Structured light scanning (4/24/14)
0:00:00 Structured light scanning
0:02:08 Structured light geometry and calibration
0:07:48 Commercial structured light systems
0:09:52 Structured light for VFX (body scanning)
0:11:56 Structured light for sculpture scanning
0:15:45 Example structured light actor/prop scans
0:19:10 Projector + two camera systems
0:21:13 Spacetime analysis
0:23:45 Challenges of stripe scanning
0:25:04 Structured light stripe patterns
0:27:13 Gray codes
0:28:14 On/off coding
0:32:25 Stripe boundary codes
0:34:20 Color stripe patterns
0:35:25 de Bruijn sequences
0:37:47 Dynamic programming for matching
0:41:16 Fringe patterns
0:43:24 The Kinect v1 dot pattern
0:45:40 Commercial handheld scanners
0:48:05 Live structured light scanning demo
0:54:43 A visit to Gentle Giant Studios (3D VFX company)
Follows Section 8.2 of the textbook. http://cvfxbook.com
Key references:
C. Chen and A. Kak. Modeling and calibration of a structured light scanner for 3-D robot vision. In IEEE International Conference on Robotics and Automation, 1987.
http://dx.doi.org/10.1109/ROBOT.1987.1087958
D. Huynh. Calibration of a structured light system: a projective approach. In IEEE Computer Society Conference on Computer Vision and Pattern Recognition (CVPR), 1997.
http://dx.doi.org/10.1109/CVPR.1997.609324
B. Curless and M. Levoy. Better optical triangulation through spacetime analysis. In IEEE International Conference on Computer Vision (ICCV), 1995.
http://dx.doi.org/10.1109/ICCV.1995.466772
D. Scharstein and R. Szeliski. High-accuracy stereo depth maps using structured light. In IEEE Computer Society Conference on Computer Vision and Pattern Recognition (CVPR), 2003.
http://dx.doi.org/10.1109/CVPR.2003.1211354
O. Hall-Holt and S. Rusinkiewicz. Stripe boundary codes for real-time structured-light range scanning of moving objects. In IEEE International Conference on Computer Vision (ICCV), 2001.
http://dx.doi.org/10.1109/ICCV.2001.937648
L. Zhang, B. Curless, and S. Seitz. Rapid shape acquisition using color structured light and multi-pass dynamic programming. In International Symposium on 3D Data Processing Visualization and Transmission (3DPVT), 2002.
http://dx.doi.org/10.1109/TDPVT.2002.1024035
P. S. Huang, C. Zhang, and F.-P. Chiang. High-speed 3-D shape measurement based on digital fringe projection. Optical Engineering, 42(1):163--8, Jan. 2003.
http://dx.doi.org/10.1117/1.1525272
Видео CVFX Lecture 24: Structured light scanning канала Rich Radke
Rich Radke, Rensselaer Polytechnic Institute
Lecture 24: Structured light scanning (4/24/14)
0:00:00 Structured light scanning
0:02:08 Structured light geometry and calibration
0:07:48 Commercial structured light systems
0:09:52 Structured light for VFX (body scanning)
0:11:56 Structured light for sculpture scanning
0:15:45 Example structured light actor/prop scans
0:19:10 Projector + two camera systems
0:21:13 Spacetime analysis
0:23:45 Challenges of stripe scanning
0:25:04 Structured light stripe patterns
0:27:13 Gray codes
0:28:14 On/off coding
0:32:25 Stripe boundary codes
0:34:20 Color stripe patterns
0:35:25 de Bruijn sequences
0:37:47 Dynamic programming for matching
0:41:16 Fringe patterns
0:43:24 The Kinect v1 dot pattern
0:45:40 Commercial handheld scanners
0:48:05 Live structured light scanning demo
0:54:43 A visit to Gentle Giant Studios (3D VFX company)
Follows Section 8.2 of the textbook. http://cvfxbook.com
Key references:
C. Chen and A. Kak. Modeling and calibration of a structured light scanner for 3-D robot vision. In IEEE International Conference on Robotics and Automation, 1987.
http://dx.doi.org/10.1109/ROBOT.1987.1087958
D. Huynh. Calibration of a structured light system: a projective approach. In IEEE Computer Society Conference on Computer Vision and Pattern Recognition (CVPR), 1997.
http://dx.doi.org/10.1109/CVPR.1997.609324
B. Curless and M. Levoy. Better optical triangulation through spacetime analysis. In IEEE International Conference on Computer Vision (ICCV), 1995.
http://dx.doi.org/10.1109/ICCV.1995.466772
D. Scharstein and R. Szeliski. High-accuracy stereo depth maps using structured light. In IEEE Computer Society Conference on Computer Vision and Pattern Recognition (CVPR), 2003.
http://dx.doi.org/10.1109/CVPR.2003.1211354
O. Hall-Holt and S. Rusinkiewicz. Stripe boundary codes for real-time structured-light range scanning of moving objects. In IEEE International Conference on Computer Vision (ICCV), 2001.
http://dx.doi.org/10.1109/ICCV.2001.937648
L. Zhang, B. Curless, and S. Seitz. Rapid shape acquisition using color structured light and multi-pass dynamic programming. In International Symposium on 3D Data Processing Visualization and Transmission (3DPVT), 2002.
http://dx.doi.org/10.1109/TDPVT.2002.1024035
P. S. Huang, C. Zhang, and F.-P. Chiang. High-speed 3-D shape measurement based on digital fringe projection. Optical Engineering, 42(1):163--8, Jan. 2003.
http://dx.doi.org/10.1117/1.1525272
Видео CVFX Lecture 24: Structured light scanning канала Rich Radke
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