USA Patent:
W. Liu, Zhenyuan Jia, Xiao Li, Yi Pan, Xin Ma. “A monocular-vision-based contouring error detection method for a five-axis machine tool”. US Patent Pending; PCT/CN2017/109782. Number:EP3511122
Chinese Patents
- W. Liu, X. Ma, Z. Shang, Y. Zhang, X. Li and Z. Jia “A Fast Method for Extracting Marked and Marked Point Centers” China Patent: 2013105083909 First filed October 25th, 2013.
- W. Liu, Z. Jia, X. Ma, Z. Shang. Y. Zhang, X. Li and R. Fu “A Method of Measuring Moment of Inertia with Binocular Vision” China Patent: 2013104515750 First filed September 28th, 2013
- W. Liu, Z. Jia, B. Zhang, X. Ma, R. Fu and D. Song. “A Model of Flight Vehicles and Its Fabrication” China Patent: 2013101454100 First filed April 24th, 2013
- W. Liu, Z. Jia, W. Lu, X. Ma, X. Cui. Y. Zhang and Z. Shang. “A Pose Measurement Method for High Speed Rolling Body” China Patent: 2013101396567 First Filed April 19th, 2013
- W. Liu, Z. Jia, Z. Shang, X. Ma. Y. Zhang R. Fu and X. Li. “A Method and Apparatus for Rapid Measurement of Monocular Moment of Inertia” China Patent: 2013104515943 First Filed September 28th, 2013
- W. Liu, Z. Jia, Z. Shang, X. Ma, Y. Zhang and X. Li. “A Method of Pose Visualization Measurement Based on Structured Light for High Speed Moving Objects” China Patent:2013107123760, First Filed December 19th, 2013
- W. Liu, Z. Jia, Z. Shang, X. Ma, Y. Zhang and X. Li. “Visual Method Based on Point-Line Combination” China Patent: 2013106377045 First Filed November 29th, 2013
- W. Liu, X. Li, X. Ma, Z. Jia, Z. Shang, Y. Zhang and X. Li. “A Free Surface Vector Measurement Method Based on Binocular Vision” China Patent: 201410149149.6. First Filed April 2th, 2017
- W. Liu, X. Ma, Z. Jia, J. Lu and X. Li. “Three Dimensional Information Visual Measurement Method Based on Refraction Image Deviation” China Patent: 201610035785.5. First Filed May 24th, 2017
- W. Liu, X. Ma, Z. Jia. J. Lu and W. Liu. “Multi-line Fitting Feature Extraction Method Based on Marker Energy Distribution” China Patent: 201510894705.7. First Filed November 10th, 2017
- W. Liu, J. Lu, X. Ma, Z. Jia and J. Shang. “A Circular Marking Method and Its Extracting Method for Linear Energy Change” China Patent: 201510894743.2. First Filed November 10th, 2017
- W. Liu, X. Li, L. Chen, X. Ma and W. Liu. “Calibration of High Speed Camera with Close Field and Large View Using Flexible Target” China Patent: 201510290364. First Filed November 6th, 2017.
- W. Liu, X. Li, Z. Jia, L. Chen, X. Ma and W. Liu. “Flexible Calibration Device for Wind Tunnel Visualization Measurement System”. China Patent: 201610035785.5. First Filed May 24th, 2017.
- W. Liu, X. Ma, Z. Jia. L. Chen, and X. Li. “A Method of Pose Measurement for Moving Objects Based on Prior Knowledge Model Optimization”. China Patent: 201510179722.2. First Filed April 12th, 2017.
- W. Liu, L. Chen, Z. Jia, X. Li, X. Ma and Z. Shang. “A Method of Monocular Pose Measurement Based on Color Image”. China Patent: 201510113207.4. First Filed April 12th, 2017.
- W. Liu, Y. Zhang, Z. Jia, X. Ma, Z. Shang. X. Li and X. Li. “A Fast Target Calibration Method for Camera Parameters Setting”. China Patent: 20141011234.3. First Filed January 11th, 2017.