Search found 4 matches

by unicycle1234
Tue Aug 22, 2006 9:11 am
Forum: General Discussion
Topic: Scanning mechanism
Replies: 11
Views: 3006

To obtain an accurate point cloud from the scanned images obtained, I'll need very accurate location of the camera where the scanned image is sampled. I think the stepper motor will be handy for that purpose. My question is now the following: - since the motor speed will change (at least accelerate/...
by unicycle1234
Mon Aug 21, 2006 5:21 pm
Forum: General Discussion
Topic: Scanning mechanism
Replies: 11
Views: 3006

Thanks Hacklesup, I like the suggestion of video signal, in fact it may make sense to transmit them back to host PC via wi-fi (or proprietary USB fob such as those used by baby monitor or security camera). This will make the scanner easier to build I suppose. Do you have any suggestion/pointer for w...
by unicycle1234
Mon Aug 21, 2006 9:52 am
Forum: General Discussion
Topic: Scanning mechanism
Replies: 11
Views: 3006

Thanks Chris and Hacklesup, Regarding PC control, my goal is to not tie the device with a PC and software that needs to be installed etc. In fact, I would like to design a simple LCD with a start and a save button. I want to store the scanned image in a USB key, so the device is completely self-cont...
by unicycle1234
Thu Aug 17, 2006 11:07 pm
Forum: General Discussion
Topic: Scanning mechanism
Replies: 11
Views: 3006

Scanning mechanism

Hi, I'm working on a project that requires a scanning mechanism much like what you see in a photo copier. I intend to mount three CCD cameras (cover the cross section) on a moving frame that will sample the cross section as it moves across the object. The object will be put on a glass platform so th...