Image Understanding Results
Shot Segmentation (31 fps)
- Histogram analysis 92% accurate
Camera Motion Analysis (1.6 fps)
- Track ~100 features using Lucas-Kanade optical flow
- Large features used for MPEG encoded data
Face Detection (0.1 fps)
- Neural network arbitration
- Detection highly dependent on lighting and orientation
Text Detection (1.2 fps)
- Multi-pass differential filtering
- Detection rate currently under evaluation