Camera board

Re: Camera board

Postby rainer fritz » Tue Jun 24, 2014 2:30 pm

Hi Pedro !

They have already a sensor board made which is connected with a Zedboard:
https://www.apertus.org/sites/default/files/alpha-prototype-2d.jpg
https://www.apertus.org/alpha_prototype
The current version handles the sensor frontend, debayer, scaling, color space conversion, FPN correction, HDMI Output, etc...
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Re: Camera board

Postby pedro_nf » Tue Jun 24, 2014 2:58 pm

isn't it just for film making? are they also planning on image processing and intelligent cameras that can take actions in real time?
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Re: Camera board

Postby rainer fritz » Tue Jun 24, 2014 7:13 pm

It is first an open source project, and it depends which application you want to make of it.
First of all you will need a working camera at all, what you then doing with the image data is your choice...
So, the base to run an image sensor and gathering the frames is the same, without making a working "camera"
you will not be able to for example detect a face on it or whatever you want ;)
In my case I want to compress each frame and store it on a SD card for example....

You know what I mean ?
:)
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Re: Camera board

Postby pedro_nf » Tue Jun 24, 2014 10:49 pm

yeah, you're a film maker! :-)

in fact I was thinking more about the cost of a high quality camera sensor, I guess that's what film makers are concerned about, right? and optics, optics can be very expensive too. but as you say they are probably thinking of having a good common base and then a few declinations depending on the application. I'm looking for a low cost intelligent camera.
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Re: Camera board

Postby aolofsson » Thu Jun 26, 2014 4:39 am

rainer fritz wrote:Hi !

My first post here. To hook up a sensor and compress/store the signal on board would be an awesome application to build an open camera.
The guys from Apertus are currently developing an open source camera, and I heard that they are also very interested in the parallella board.
https://www.apertus.org/
It's possible that Herbert or Sebastian, one of the heads of the project will chime in.
They are currently using a Cmosis Sensor. Most sensors of them offer extended dynamic range as a global shutter.
http://www.cmosis.com/products/standard_products/
I think the sensor of viimagic could fit also, the 9226 sensor has also extended dynamic range, global shutter and 2k resolution.
http://www.viimagic.com/cmos-image-sensors/cmos-hd-tv-image-sensor-ceramic.html
The viimagic sensor for example provides up to 16 LVDS channels for picture data... how much LVDS channels can be used as input on the parallella board, and
does they have all a deserializer?

best,
rainer


Rainer,
Thanks for the tip. Apertus is a very exciting project and it's fantastic to hear that they might be interested in using the Parallella as a part of it. If you know Sebastian and Herbert can you ask them how I could help make this happen?
Cheers,
Andreas
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Re: Camera board

Postby pedro_nf » Thu Jun 26, 2014 8:47 am

they have some info here:
https://www.apertus.org/axiom-beta

and they are preparing a crowd-funding campaign...
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Re: Camera board

Postby Gravis » Fri Jun 27, 2014 3:51 pm

pedro_nf wrote:in fact I was thinking more about the cost of a high quality camera sensor, I guess that's what film makers are concerned about, right? and optics, optics can be very expensive too. but as you say they are probably thinking of having a good common base and then a few declinations depending on the application. I'm looking for a low cost intelligent camera.

the sensor itself (Cmosis CMV12000) is really cheap, just $1800. to sweeten the deal, it takes 3 watts of power. ;D
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Re: Camera board

Postby pedro_nf » Fri Jun 27, 2014 4:19 pm

Gravis wrote:the sensor itself (Cmosis CMV12000) is really cheap, just $1800. to sweeten the deal, it takes 3 watts of power. ;D

ho my stars! I guess it is not expensive for its quality... but I was looking for a general purpose inexpensive intelligent camera... so I was thinking on the power of Parallella connected to some inexpensive sensor. maybe even more then one sensor to increase image quality using algorithms rather then high end sensors...
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Re: Camera board

Postby Bertl » Wed Jul 02, 2014 11:46 am

aolofsson wrote:
rainer fritz wrote:Hi !

My first post here. To hook up a sensor and compress/store the signal on board would be an awesome application to build an open camera.

The guys from Apertus are currently developing an open source camera, and I heard that they are also very interested in the parallella board.
https://www.apertus.org/

It's possible that Herbert or Sebastian, one of the heads of the project will chime in.

Yes, quite possible :)
aolofsson wrote:
rainer fritz wrote:They are currently using a Cmosis Sensor. Most sensors of them offer extended dynamic range as a global shutter.
http://www.cmosis.com/products/standard_products/

I think the sensor of viimagic could fit also, the 9226 sensor has also extended dynamic range, global shutter and 2k resolution.
http://www.viimagic.com/cmos-image-sensors/cmos-hd-tv-image-sensor-ceramic.html

The viimagic sensor for example provides up to 16 LVDS channels for picture data... how much LVDS channels can be used as input on the parallella board, and does they have all a deserializer?

One important quality of a sensor to be acceptable for AXIOM is that the documentation, including a detailed register description and electrical interface specification, is freely and openly available. So the first step you might want to take is to ask the folks at viimagic nicely for the documentation and see if you get it without signing an NDA.

I think I can also answer the question regarding the LVDS channels on the Parallella: If I'm not mistaken, the GPIO expansion connector features 24 LVDS pairs directly connected to the Zynq of which 6 can be used as clock inputs.
aolofsson wrote:
rainer fritz wrote:
best,
rainer


Rainer,
Thanks for the tip. Apertus is a very exciting project and it's fantastic to hear that they might be interested in using the Parallella as a part of it. If you know Sebastian and Herbert can you ask them how I could help make this happen?
Cheers,
Andreas

Thanks to the nice folks at http://antmicro.com/, we got our hands on one of the kickstarter boards. And while the initial AXIOM Beta will connect to the MicroZed, having a version which plugs into the Parallella board would be a nice option for folks interested in video and image processing on the Epiphany architecture.

To answer the question (how to help): I think we would definitely benefit from a few parallella development boards (including the mating connectors) to test regarding power supply and interfaces, and we definitely would appreciate a good contact on the technical level as well.

In any case, keep up the good work and congrats to the Parallella success story!

Best,
Herbert
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Re: Camera board

Postby aolofsson » Wed Jul 02, 2014 4:44 pm

Herbert,

Great to see your post here on the forum. Send me an email at "andreas" at adapteva.com and we'll get it going. At a minimum, we can get you some Parallella 7020s and breakout boards. We have donated extensive amounts of hardware to folks working on interesting projects who promise to boot up the boards and do something interesting with them.

I love the AXIOM project and want to make the Parallella part of it if at all possible. Of course I am extremely biased, but I believe the Parallella is a better fit for you than the Microzed in every criteria.:-)

Thanks,
Andreas
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