[chbot] Vision processing side project.
Tue, 22 May 2007 23:55:58 +1200
I've been doing a lot of study on computer vision and one of the things
I've been reading up on is a bit of maths called "the hough transform".
Basically it can be used to detect the position and orientation of lines
in an image.
As an example, I'm working on some code for barcodes via a webcam.
The image here: http://tinyurl.com/32k75t shows the work in progress app
for doing this.
The top right shows the barcode position and angle detected from the
The bottom right picture is the "hough space". Bright points correspond
to the stronger sets of lines.
I'd be happy to demo this stuff at the next meeting if people are