On: Real time lightsaber tracking and rendering on the...

[farnsworth]

Couldn't you do this with any webcam and CV? I don't see how the depth component makes it any easier.

[sandaru1 → farnsworth]

As far as I understand, depth values make the blob detection easier. Normally blob detection tries to use the brightness differences caused by 3D objects - depth values make it much accurate.

http://en.wikipedia.org/wiki/Blob_detection

The youtube video channel of the author has his previous demos : http://www.youtube.com/user/yankeyan