Andrey, Thanks for your reply. Follow up questions below.
On Thu, Oct 11, 2012 at 9:51 AM, support-list < [email protected]> wrote: > ** > Hello Vencat, > > It is possible to read sesnor data, but the data rate will be much lower > than with compressed, so I would only recommend using it for test purposes. > For the real acquisition I would recommend JP4 mode with 99% or even 100% > "quality" - in the last case there will be no quantizing in the compressor > at all. Even as the compressed JP4 data is 8 bit, the conversion from the > sensor 12 bit output matches the sesnor (mostly shot) noise, so the > difference is under the noise floor. > > Toi get teh raw data you may use the PHP script in the camera described on > the wiki (I just updated that page): > http://wiki.elphel.com/index.php?title=RawImage > 1) On that webpage the link to the PHP script is not working. 2) What is the format of the raw image? 3) On the webpage there is a warning about continuos acquistion? How can I set the camera to take one picture and stop taking any more pictures till I ask it to do so again. > > > You can specify "BITS=8" (default) or "BITS=16" among other parameter > > Andrey > > ---- On Wed, 10 Oct 2012 23:58:30 -0700 *Venkat Subbiah < > [email protected]>* wrote ---- > > Hello, > > I would like read a raw file off the camera, and I would like to read it > before any processing. i.e I want the raw pixels in the Bayer pattern as I > don't want to apply any filters while doing demosacing etc. > > http://wiki.elphel.com/index.php?title=JP4#bayer2rgb2:_debayer > > I see this link and this goes into converting into jpeg etc, but what I > am interested in just getting the raw pixel values. > > Also Is there a mode I can put the camera into to save the file without > any compression, so that it is easy to read the file out. i.e put it > something like a BMP mode, where no kind of compression is used. When no > compression is used it would also be very easy to read the file. > > Thanks, > Venkat > > _______________________________________________ > Support-list mailing list > [email protected] > http://support.elphel.com/mailman/listinfo/support-list_support.elphel.com > > >
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