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by picame_vr
Thu Dec 29, 2016 1:04 am
Forum: Camera board
Topic: STICKY: Volunteers to assist with project: Honey Bee Counter
Replies: 56
Views: 42130

Re: Volunteers to assist with this project: Honey Bee Counte

Hives of the type our project uses have a landing board in front of the entrance and indeed ours is painted white. Actually any single colour except yellow is probably as good. I expect we'll do colour blob detection on yellow using OpenCV. It may be that a matte black makes exposure control easier...
by picame_vr
Tue Dec 27, 2016 10:02 pm
Forum: Camera board
Topic: STICKY: Volunteers to assist with project: Honey Bee Counter
Replies: 56
Views: 42130

Re: Volunteers to assist with this project: Honey Bee Counte

Just a quick idea. I've skimmed the thread and the first thought that came to mind was: why not put some kind of white board in front of the hive (if looks are not that important) where the camera is pointing. From what I see the area this board would have to cover is not that great so it would not ...
by picame_vr
Sat Jul 19, 2014 11:25 pm
Forum: Troubleshooting
Topic: Failed attempt at odd screen resolution over composite
Replies: 3
Views: 664

Re: Failed attempt at odd screen resolution over composite

Thanks @redhawk! Good to know that the composite always uses the same resolution (each for PAL and NTSC).
I'll try to use the overscan options and will let you know how it goes!
by picame_vr
Thu Jul 17, 2014 8:32 am
Forum: Troubleshooting
Topic: Failed attempt at odd screen resolution over composite
Replies: 3
Views: 664

Failed attempt at odd screen resolution over composite

Hi, I tried to output 640x360 (for a small portable pico projector) via composite. So far I changed the resolution and viewport size in config.txt but no luck. The pi insists on outputting a larger resolution (some lines are lost, text is legible, but with difficulty). When connecting the pi cam and...

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