USB microscope - uvcvideo greys out certain textures...

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dattaway
 
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Joined: Wed Sep 28, 2011 10:28 pm

USB microscope - uvcvideo greys out certain textures...

Post by dattaway »

Trying out my new USB microscope. VERY easy to use and impressive image quality. This shows a whole new world. This is the real deal.

But when trying to view certain textured surfaces, such as a flat cast surface or the SOC on the Raspberry Pi, the image is progressively greyed out. It gets worse under perfect focus. It had the behavior of a copy protection scheme, so I started looking at currency and official certificates, which had no problems. Here is what I'm seeing on the Raspberry Pi SOC:

Image

What in the world? This only happens on a perfectly focused textured surface of a chip or metal surface. Do I have a bad debian binary of uvcvideo? Anyone else have this problem?

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dattaway
 
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Joined: Wed Sep 28, 2011 10:28 pm

Re: USB microscope - uvcvideo greys out certain textures...

Post by dattaway »

SOLVED. One of debian's libraries used to scale the video stream has a bug. This doesn't happen at other resolutions.

bzorg
 
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Joined: Fri Jun 29, 2012 6:13 pm

Re: USB microscope - uvcvideo greys out certain textures...

Post by bzorg »

So it's working under linux ? :D

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