New project: camera color profile calculation - page 31 - RAW Shooting and Processing - CHDK Forum

New project: camera color profile calculation

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Offline ArtDen

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Re: New project: camera color profile calculation
« Reply #300 on: 30 / September / 2008, 05:49:32 »
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dng4ps2 0.2.3-beta14 contains:
  * Some bugfixes
  * French translation
  * Camera name synonyms support
  * Support of IXUS 40/SD300, SD450/IXUS 55, 80 IS/SD1100 IS

Link to download: DNG4PS-2

Re: New project: camera color profile calculation
« Reply #301 on: 01 / October / 2008, 04:43:46 »
Excellent!

Would also love to see support of IXUS 960IS / SD 950IS.
Tell me if I can assist with more test images than the ones I provided in Reply #293 of this thread.

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Offline ArtDen

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Re: New project: camera color profile calculation
« Reply #302 on: 01 / October / 2008, 09:51:09 »
Tell me if I can assist with more test images than the ones I provided in Reply #293 of this thread.
Just inform me, is color profole for IXUS 960IS / SD 950IS bad or good :)

Re: New project: camera color profile calculation
« Reply #303 on: 01 / October / 2008, 16:53:05 »
Just inform me, is color profole for IXUS 960IS / SD 950IS bad or good :)
I don't think that I understand your question, so please bear with me.
The color of the jpg's straight from the camera looks right.
When using DNG4PS-2 0.2.2 the program does not recognise the camera mocel. Instead it perceives the files as from Canon A650IS. The colors of these files look wrong in e.g. Adobe ACR and Rawtherapy. I can of course adjust the colors in these programs, but it takes too much time for each and every raw file to be useful.
I guess your question concerns calculation of color profiles using DNG4PS-2, but I have not been successful in calculating the color profile in DNG4PS-2 beta version from August since the program crashed (that is why I asked for some kind of user guide in the discussion thread regarding raw files from this camera model).

Do I answer your question?


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Offline ArtDen

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Re: New project: camera color profile calculation
« Reply #304 on: 02 / October / 2008, 09:08:28 »
Stig, I meant: just try last beta of dng4ps2 and tell me are colors good or bad after delevoping DNG files
Dng4ps2 has to support IXUS 960IS / SD 950IS now
« Last Edit: 02 / October / 2008, 09:13:19 by ArtDen »

Re: New project: camera color profile calculation
« Reply #305 on: 02 / October / 2008, 13:50:02 »
Now I get it. Yes you are right, Dng4ps2 beta14 supports IXUS 960IS / SD 950IS.
But the color profile is bad. The colors seems identical to the output from Dng4ps2 beta version from August, which saw raws from IXUS960IS/SD950IS as being from A650IS.

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Offline ArtDen

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Re: New project: camera color profile calculation
« Reply #306 on: 02 / October / 2008, 14:08:41 »
Stig, please upload some samples from your IXUS 960IS / SD 950IS (RAW and Jpeg pair). I will try to fix

Re: New project: camera color profile calculation
« Reply #307 on: 02 / October / 2008, 15:16:32 »
ArtDen, here you are:

SAMPLE 1:
Raw from SD950IS: CRW_0349.CR2 - 14.91MB
Same image converted to DNG with Dng4ps2 beta14: CRW_0349.DNG - 12.35MB
Same image as jpg straight from camera (contrast -1; auto white balance): IMG_0349.JPG - 6.24MB

SAMPLE 2:
Raw from SD950IS: CRW_0238.CR2 - 14.91MB
Same image converted to DNG with Dng4ps2 beta14: CRW_0238.DNG - 11.56MB
Same image as jpg straight from camera (contrast -2; auto white balance): IMG_0238.JPG - 5.62MB

I guess that it's not optimal for you that the jpg's are with turned-down contrast and auto white balance, but that's all I have right now, except for the test photos in reply #293. Hope you can use them anyway.


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Offline ArtDen

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Re: New project: camera color profile calculation
« Reply #308 on: 02 / October / 2008, 22:17:49 »
Please upload jpegs from camera too
« Last Edit: 02 / October / 2008, 22:21:25 by ArtDen »

Re: New project: camera color profile calculation
« Reply #309 on: 03 / October / 2008, 01:46:18 »
Please upload jpegs from camera too
The jpg's in reply #307 are the ones that the camera makes when taking the shot.
Which other jpg's do you want?
« Last Edit: 03 / October / 2008, 01:52:10 by Stig »

 

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