1. video-rate dense depth mapping implemented by 2 webcams

2.  Kinect  Implemented it by simple devices

3.  A Stereo Machine for Video-rate Dense Depth Mapping and Its New Applications - Takeo Kanade, Atsushi Yoshida, Kazuo Oda, Hiroshi Kano and Masaya Tanaka

4.  Calculating dense depth map in video-rate  Using the DDM to generate a stereo image  Implemented by simple devices (webcam)

5.  openGL (GLUT)  openCV 2.0

6.  2 webcams (NT$ 369 per camera)

7.  SAD (Sum of Absolute Difference)

8. Left Image Right Image

11.  Calculation time  Webcam quality

13.  Computer vision  3D model construction  3D interaction