[argyllcms] Re: What exactly are the STDEV_R etc. columns in a ti3 file?
- From: Matthieu DUBAIL <matthieu.dubail@xxxxxxxxx>
- To: "argyllcms@xxxxxxxxxxxxx" <argyllcms@xxxxxxxxxxxxx>
- Date: Tue, 27 Sep 2011 22:48:56 +0200
I could only make a guess. I think the stdev might be a latitude from
the intended target (deviation?). Within the latitude near the target
color, the reading is considered as successful. It's useful for
Chartread.
Le 26 sept. 2011 à 09:38, tb <baruchel@xxxxxxx> a écrit :
> On Sun, 25 Sep 2011, tb wrote:
>> Could you show to me such a "basic", clean and simple TI3 file (or cgats
>> data txt file) for such a six-column-based set of data?
>
> OK, I finally could find some of them:
> http://www.freelabs.com/~whitis/reviews/230X_USB_Microscope/Camera.ti3
> http://lj.vladimirovich.net/lj11/spectral/4500.ti3
>
> But I have some more questions concerning the format:
> SAMPLE_ID XYZ_X XYZ_Y XYZ_Z RGB_R RGB_G RGB_B STDEV_R STDEV_G STDEV_B
>
> Could you confirm that columns XYZ_X, XYZ_Y, XYZ_Z are the "target" (the
> intended colors?)
>
> Could you confirm that columns RGB_R, RGB_G, RGB_B are the "seen" colors?
>
> I can't really figure out what are the three last columns:
> STDEV_R, STDEV_G, STDEV_B
> What do they mean?
>
> By the way, why can I find on several ti3 files on the web:
> KEYWORD STDEV_R KEYWORD STDEV_G without a line for STDEV_B ?
>
> Best regards, tb.
>
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