High Definition with Elphel model 333 camera

Wayne Morellini · February 11th, 2007, 08:42 PM

Quote:

Originally Posted by Hurcan Emre

sorry for interrupting but i couldn't understand the reason why you are not using a hd webcam sensor that is ready to connect by usb2 and a laptop to capture directly?

sorry about that if you mentioned the answer before but my english is not very good and i might have missed it...

Because the camera is an networked security camera, designed to be shared over an network, primarily. USB2 is not capable of the multiplexed extension Ethernet is, so you would be limited. Secondly, the chips incorporated don't support it. USB2 is also an notorious processor Hog, as it is designed to be looked after by the processor (more brilliance that slows PC's). At the rates USB2 can work at, it can seriously tax a portable PC device (dropped frames etc).

Hurcan Emre · February 12th, 2007, 01:45 AM

thanks for the detailed expenation :)

Matteo Pozzi · February 12th, 2007, 02:39 AM

Quote:

Originally Posted by Andrey Filippov

Finally - got first images from the 353

wow! when you can, post a link
many thanks
Matteo

Odd Nydren · February 12th, 2007, 04:10 AM

..I second that! :)

Thanks!!

//O.

Andrey Filippov · February 12th, 2007, 08:53 AM

Images are really ugly (so I do not want to post camera IP here :-) ) - the only sensor 5MPix board left I had has a malfunctioning sensor (probably not all he sensor chip pins were hand-soldered nicely) and I did not yet finish porting of all the software (some parts are still missing - like setting the gamma tables).
My goal was to test hardware before going to larger batch, especially interface to the new CPU - PIO, interrupts, DMA. I even had to solve some problems with the new Spartan 3E (vs. Spartan 3) FPGAs to make them work as needed.
So this part works and being built as they are tested so far 10353 can do at least what 333 could. There are some features not tested yet (IDE, USB, fast system bus acquisition) - but that will be done later - in parallel with the camera manufacturing.

Andrey Filippov · February 12th, 2007, 11:17 PM

I hope it can make development of the camera interface easier - PHP now works in the 353

Matteo Pozzi · February 13th, 2007, 01:57 AM

cool I tink is possible to use it to make a database to save the setting
and to load preset ....did you suggest some more spec that can be used with this new capability (php rocks)?

Andrey Filippov · February 13th, 2007, 09:49 AM

Quote:

Originally Posted by Matteo Pozzi

cool I tink is possible to use it to make a database to save the setting
and to load preset ....did you suggest some more spec that can be used with this new capability (php rocks)?

Matteo, there is no database (yet) - just php itself to simplify server(camera)-side interface software. I'm thinking of a number of smaller binaries (instead iof the ccam.cgi) for low-level hardware-related functions with the interface level implemented in PHP.

Odd Nydren · February 13th, 2007, 01:22 PM

Andrey,

PHP in-camera - very cool...

..would it be possible to start a in-camera timer that executes a PHP script say every 5minutes or something...taking a photo or doing something else?

Just curious

//O.

John Wyatt · February 15th, 2007, 05:18 AM

I believe there are some light Linux distros which can be installed and run from a USB memory stick. Compared to running the OS from a live CD, this would be a way to save camera settings. I imagine though there are a number of reasons why this is not suitable for the job in hand...

Andrey Filippov · February 15th, 2007, 10:21 AM

Yes, we have one on a 4GB USB stick. The problem is - not all the computers yet boot from the USB stick.

Oscar Spierenburg · February 15th, 2007, 02:34 PM

Andrey, how did you install the knoppix to the USB stick?

Matteo Pozzi · February 15th, 2007, 02:43 PM

Hi Andrey have you seen that in april will be released the new version of ubuntu (Feisty Fawn project) and also in the same period april will be relesed ubuntu studio http://ubuntustudio.org/
" Ubuntu Studio. A multimedia creation derivative of Ubuntu.

Ubuntu Studio is aimed at the linux audio, video and graphic enthusiast as well as professional."

maybe we can start make a new version of the live cd starting from this distro ....it is more motion picure oriented!

Andrey Filippov · February 15th, 2007, 09:34 PM

Quote:

Originally Posted by Oscar Spier

Andrey, how did you install the knoppix to the USB stick?

Spectr (spectr) and Dmitry (d.belimov) - both at our company did that - you may email them directly. I'll ask them to post to wiki.

Andrey Filippov · February 15th, 2007, 09:36 PM

Quote:

Originally Posted by Matteo Pozzi

Hi Andrey have you seen that in april will be released the new version of ubuntu (Feisty Fawn project) and also in the same period april will be relesed ubuntu studio http://ubuntustudio.org/
" Ubuntu Studio. A multimedia creation derivative of Ubuntu.

Ubuntu Studio is aimed at the linux audio, video and graphic enthusiast as well as professional."

maybe we can start make a new version of the live cd starting from this distro ....it is more motion picure oriented!

Yes, we are considering using Ubuntu and actually our partners in Switzerland already tried that. We are eager to donate some hardware and sponsor such development by Ubuntu community.

February 12th, 2007, 04:10 AM	#454
Odd Nydren Regular Crew Join Date: Jan 2007 Location: London, UK Posts: 88	Yes! ..I second that! :) Thanks!! //O.

February 12th, 2007, 11:17 PM	#456
Andrey Filippov Major Player Join Date: Apr 2006 Location: Magna, Utah Posts: 215	PHP in 353 I hope it can make development of the camera interface easier - PHP now works in the 353 Attached Thumbnails

February 13th, 2007, 01:22 PM	#459
Odd Nydren Regular Crew Join Date: Jan 2007 Location: London, UK Posts: 88	Php... Andrey, PHP in-camera - very cool... ..would it be possible to start a in-camera timer that executes a PHP script say every 5minutes or something...taking a photo or doing something else? Just curious //O.

February 12th, 2007, 01:45 AM	#452
Hurcan Emre Regular Crew Join Date: Dec 2005 Posts: 32	thanks for the detailed expenation :)

February 12th, 2007, 08:53 AM	#455
Andrey Filippov Major Player Join Date: Apr 2006 Location: Magna, Utah Posts: 215	Images are really ugly (so I do not want to post camera IP here :-) ) - the only sensor 5MPix board left I had has a malfunctioning sensor (probably not all he sensor chip pins were hand-soldered nicely) and I did not yet finish porting of all the software (some parts are still missing - like setting the gamma tables). My goal was to test hardware before going to larger batch, especially interface to the new CPU - PIO, interrupts, DMA. I even had to solve some problems with the new Spartan 3E (vs. Spartan 3) FPGAs to make them work as needed. So this part works and being built as they are tested so far 10353 can do at least what 333 could. There are some features not tested yet (IDE, USB, fast system bus acquisition) - but that will be done later - in parallel with the camera manufacturing.

February 13th, 2007, 01:57 AM	#457
Matteo Pozzi Regular Crew Join Date: Jul 2005 Location: Milan, Italy Posts: 169	cool I tink is possible to use it to make a database to save the setting and to load preset ....did you suggest some more spec that can be used with this new capability (php rocks)?

February 15th, 2007, 05:18 AM	#460
John Wyatt Regular Crew Join Date: Jan 2006 Location: West Country, UK Posts: 141	I believe there are some light Linux distros which can be installed and run from a USB memory stick. Compared to running the OS from a live CD, this would be a way to save camera settings. I imagine though there are a number of reasons why this is not suitable for the job in hand...

February 15th, 2007, 10:21 AM	#461
Andrey Filippov Major Player Join Date: Apr 2006 Location: Magna, Utah Posts: 215	Yes, we have one on a 4GB USB stick. The problem is - not all the computers yet boot from the USB stick.

February 15th, 2007, 02:34 PM	#462
Oscar Spierenburg Major Player Join Date: Jan 2005 Location: (The Netherlands - Belgium) Posts: 735	Andrey, how did you install the knoppix to the USB stick?

February 15th, 2007, 02:43 PM	#463
Matteo Pozzi Regular Crew Join Date: Jul 2005 Location: Milan, Italy Posts: 169	Hi Andrey have you seen that in april will be released the new version of ubuntu (Feisty Fawn project) and also in the same period april will be relesed ubuntu studio http://ubuntustudio.org/ " Ubuntu Studio. A multimedia creation derivative of Ubuntu. Ubuntu Studio is aimed at the linux audio, video and graphic enthusiast as well as professional." maybe we can start make a new version of the live cd starting from this distro ....it is more motion picure oriented!