| 1999 | ||
|---|---|---|
| 2 | Changming Sun, Deyi Si: Fast Reflectional Symmetry Detection Using Orientation Histograms. Real-Time Imaging 5(1): 63-74 (1999) | |
| 1997 | ||
| 1 | Changming Sun, Deyi Si: Skew and Slant Correction for Document Images Using Gradient Direction. ICDAR 1997: 142-146 | |
| 1 | Changming Sun | [1] [2] |