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-   -   High Definition with Elphel model 333 camera (https://www.dvinfo.net/forum/apertus-open-source-cinema-project/63677-high-definition-elphel-model-333-camera.html)

Andrey Filippov April 23rd, 2007 09:27 AM

Quote:

Originally Posted by Matteo Pozzi (Post 665661)
of course! but there is something like a tent that block the window view!

Camera was just accidentally turned and looked to the wall instead of the street - fixed :-)

Matteo Pozzi April 25th, 2007 03:55 AM

done! it is in the wiki

This problem reguard also the red digital camera (look at the Peter Jackson footage promo http://www.reduser.net/forum/showthread.php?t=1883) ....it use a rolling shutter sensor as the elphel 3 and 5 mpx Micron sensor :-)
the solution is ....slow pan and slow tilt ...that is how a movie have to be done

Matteo Pozzi April 26th, 2007 08:41 AM

look what I've found! maybe it will be interesting for the future :-)
http://larc.ee.nthu.edu.tw/~syhuang/...r.TCE.2005.pdf

Andrey Filippov April 26th, 2007 10:30 AM

Logarithmic CMOS sensors are not new, but so far their sensitivity was rather poor

Wayne Morellini April 26th, 2007 09:27 PM

I did post one that had starlight filming ability, and their was that other security camera sensor that reached down to low levels, though I don't think logarithmic, any possibilities we will see these?

I read the article, didn't a couple of us from the digital cinema threads talk with you about using the camera in 03 or 04?

I am glad to hear that you are giving the camera computer autonomy potential, I am wondering how you are going to do the external display/viewing (hardware port, or low res downsized compressed image extracted from the main video stream)?

Matteo Pozzi April 27th, 2007 12:29 PM

looking at the micron cmos specification I've seen that
3mpx MT9T001P12STC sensor have 48 MHz Master Clock
http://www.micron.com/products/partd...=MT9T001P12STC

5mpx MT9P001I12STC sensor have 96 MHz Master Clock
http://www.micron.com/products/partd...=MT9P001I12STC

does it mean that for the 5mpx the rolling shutter distorsion is more ore less 1/2 than the 3mpx sensor???

Andrey Filippov April 27th, 2007 02:48 PM

For the same number of pixels - yes, but less than twice as the relatively more extra time is needed for each line

Wayne Morellini May 4th, 2007 07:05 AM

How long art we?
 
Well, with talk of Red Mini, HV20, JVC single chip professional, XDCAM EX pocket cams, how long till the Elphel 353, and the other compression codecs and video cam projects, Andrey?

Thanks.

Andrey Filippov May 4th, 2007 05:04 PM

First 353 camera went to South Africa today :-)

Matteo Pozzi May 5th, 2007 05:44 AM

cool how much does it cost 353 5mpx version? + ide board?

Solomon Chase May 5th, 2007 09:59 AM

I'm interested in buying a 353 too.

Andrey Filippov May 5th, 2007 10:58 AM

Quote:

Originally Posted by Matteo Pozzi (Post 673189)
cool how much does it cost 353 5mpx version? + ide board?

Matteo, IDE board is not tested yet, I'm working now on 363 version with large sensors, will get to IDE after the LinuxTag (sometime in June). Currently we have only 10353+10338 with the software just basically ported from the 333 (some bug fixed during that process too)

Odd Nydren May 6th, 2007 06:21 AM

Standalone rules...
 
Hi all!

Andrey, when you get to do the IDE in June...will you also make a housing that fits the IDE drive? I do know you have a lot on your mind, just curious to know if you think it might happen June/July or something?

I definitely want to buy a 353 once a drive can be fitted within the camera and you can capture video with just the 353 in stand-alone mode!

If it takes awhile before that happens - no problem - I have patience :)

//O.

EDIT:
Oh and congratulations on your first 353 shipped!!! :)

Wayne Morellini May 6th, 2007 11:02 PM

So, what can the 353 do at the moment, can it do anything more than the 333, in Cinema camera terms?

When can we expect various cinema camera projects to come through?


Thanks

Wayne.

Andrey Filippov May 7th, 2007 01:10 AM

Quote:

Originally Posted by Wayne Morellini (Post 673876)
So, what can the 353 do at the moment, can it do anything more than the 333, in Cinema camera terms?

When can we expect various cinema camera projects to come through?


Thanks

Wayne.


Wayne, I hoped I described it in the LinuxDevices article (http://dvinfo.net/conf/showpost.php?...&postcount=610) :-)

Right now it can do basically the same as 333 (JPEG/MJPEG branch) - our first goal was to switch to the new hardware. I will work on porting (and updating) Ogg Theora in late summer - now I'm busy with high res/slower CCD variant (363). There are several benefits for cinema projects - camera is faster, we have USB port connected (audio) as well as IDE for hard drives. We do not have either of them already running but I'm sure we will.

Other thing - software. I'm starting this migration with CCD (363) version, but it will be come to the video (353) camera too - PHP control of the camera (i2c communication with the senor is already possible from the PHP code). Why is that important - see http://linuxdevices.com/articles/AT4415936647.html


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