New project: camera color profile calculation - page 30 - RAW Shooting and Processing - CHDK Forum

New project: camera color profile calculation

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Re: New project: camera color profile calculation
« Reply #290 on: 05 / August / 2008, 14:09:15 »
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perhaps you should have searched the forum/thread for this specific request.

Ist easy to search, but difficult to find  :D

"marked" and "selected" didn't show any result  ;)

OK - so this will be a comming feature.

thanks
chiptune

Re: New project: camera color profile calculation
« Reply #291 on: 13 / August / 2008, 16:06:47 »
Pictures for ixus40 :ixus40_shot.tar.gz

Those values were more or less guessed...
Code: (cpp) [Select]
{ // Canon Digital IXUS 40
                        L"Canon DIGITAL IXUS 40", // name checked
                        2400,1720, 12,24,6,12, 2272,1704, 31, 1023, MOSAIC_TYPE1, // ??
                        lsDaylight, {0.652674f,-0.172074f,-0.107575f, -0.139063f,0.594517f,0.060252f, -0.009088f,0.082013f,0.23808f}, //??
                        {1.0f, 1.0f, 1.0f},
                        -1, {}, {},
                        L"{11111111-11110000-08a420c3-32f9001F}"
                }

For dcraw this opens ixus 40 raws:
Code: (diff) [Select]
diff dcraw.orig dcraw.c
6484a6485
>     {  5298000, "Canon",    "Ixus 40", 0},
6735c6736,6744
<   } else if (!strcmp(model,"PowerShot A460")) {
---
>   } else if (!strcmp(model,"Ixus 40")) {
>     height = 1720;
>     width  = 2312;
>     raw_height = 1728;
>     raw_width  = 2400;
>     top_margin  = 6;
>     left_margin = 12;
>     load_raw = &CLASS canon_a5_load_raw;
>    } else if (!strcmp(model,"PowerShot A460")) {

Re: New project: camera color profile calculation
« Reply #292 on: 19 / August / 2008, 12:10:51 »
Thanks for your work on this, ArtDen!

Here's an image for the SD 450 / IXUS 55:  http://www.zshare.net/download/17290644c8fe67e6/

Thanks!

Re: New project: camera color profile calculation
« Reply #293 on: 01 / September / 2008, 16:49:27 »
Files with test images for color profile calculation for PowerShot SD 950IS / IXUS 960IS:

Raw: crw_0333.cr2 - 14.91MB
Jpeg: img_0333.jpg - 3.25MB

Reply if you want me to take other shots to make a color profile for this camera model.

Thanks  :)
« Last Edit: 02 / September / 2008, 04:33:06 by Stig »


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Offline will

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  • IXUS 80IS fw 1.01a
Re: New project: camera color profile calculation
« Reply #294 on: 15 / September / 2008, 19:22:48 »
Alrighty, hopefully this works (CHDK is currently being ported to this cam). It's from the IXUS 80IS/SD1100IS:

zSHARE - 80is_sampleraw.zip

Archive contains JPG/CR2 file.

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Offline ArtDen

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    • dng4ps2
Re: New project: camera color profile calculation
« Reply #295 on: 17 / September / 2008, 04:41:44 »
I'm little busy right now and will process your files later.

Re: New project: camera color profile calculation
« Reply #296 on: 18 / September / 2008, 13:33:10 »
Here is another IXUS 80IS/SD1100IS JPG and CRW:

http://rapidshare.com/files/146370425/sd1100is.zip.html
Canon SD1100 IS (1.01a firmware)

IXUS 80IS/SD1100IS Calibration
« Reply #297 on: 19 / September / 2008, 18:48:57 »
Ok, so after messing around for a couple hours, I finally got a good calculation of my IXUS 80IS/SD1100IS

The matrix is:
0.959050 -0.288102 -0.157138 -0.126103 0.801766 0.014220 -0.019093 0.101675 0.258339


Here is a picture that I took, and tweaked some settings, but left the white balance settings to "As Shot". I also shrank it and made it a jpg. It is the light rail in Charlotte, NC. Incase anybody wondered.

When I did the conversions before, by using the S5 camera setting or something, I could really have to mess with the white balance setting in order to get close to this, because the Darker grays would be purplish or something.


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Offline ArtDen

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    • dng4ps2
Re: New project: camera color profile calculation
« Reply #298 on: 30 / September / 2008, 02:03:40 »
raw and jpeg for PS A560..

Your jpeg is too small

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Offline ArtDen

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  • 175
    • dng4ps2
Re: New project: camera color profile calculation
« Reply #299 on: 30 / September / 2008, 03:47:05 »

 

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