Spring 2011 Computer Vision Notes
Single Camera Studies
HP3 robot translating or rotating a checkerboard target
A camera mounted on tripod
was used to capture images of a fixed checkboard target from different
The camera was translated and rotated (yaw) as if it were
mounted on a mobile robot.
photos.m Use TFORM to overlay two images.
- vid1.m USB camera example
- vid2.m object size vs.
distance from camera
- vid3.m reading
.avi video capture file
- pat1.m edge location
- video preview video
preview and custom callback routines
- vid4.m captures
sequences of snapshots at equally spaced times, with a audible beep
before each snapshot.
- vid4a.m reviews the
sequences. Those presented here (taken 26 Jan 2011) show image
translation (different magnitudes), image rotation (axis toward
camera), and image rotation with the axis vertical.