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by viilaaja
Tue Jun 18, 2013 1:41 pm
Forum: Camera board
Topic: Sun flare produces maze pattern
Replies: 6
Views: 2637

Re: Sun flare produces maze pattern

This also happens with sunset images; mobile phone cameras should tolerate sun light quite well since there is no shutter. This artefact was actually quite simple to fix with a work-a-round, simple 2D filtering before converting from bayer to RGB did the trick and did not very much affect other area...
by viilaaja
Mon Jun 17, 2013 3:55 pm
Forum: Camera board
Topic: Sun flare produces maze pattern
Replies: 6
Views: 2637

Sun flare produces maze pattern

Sun flare produces weird maze pattern to VC4 processed image taken with Raspberry Pi CSI camera. http://viilaamo.com/raspicamerapages/raspiVC4_green_inbalance_cropped1_800.png It appears that in the flare area, every second row of green pixels are brighter than in the adjacent rows; VC4 processing t...
by viilaaja
Thu Jun 13, 2013 4:32 pm
Forum: Camera board
Topic: Capture raw image to memory buffer (C/C++)
Replies: 25
Views: 13831

Re: Capture raw image to memory buffer (C/C++)

Take a look at
http://viilaamo.com/raspicamerapages/raspicamindex.html
there is code that captures the raw data into a buffer and also instructions how to process that using OpenCV (demosaic the raw image).

Hope this helps!

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