Patents

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

  1. 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.
  2. 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
  3. 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
  4. 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
  5. 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
  6. 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
  7. 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
  8. 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
  9. 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
  10. 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
  11. 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
  12. 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.
  13. 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.
  14. 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.
  15. 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.
  16. 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.