[argyllcms] Re: absolute new to calibration/profiling in total confusion. (long post)

ehm i know is something i suppose "old" but a little help?


On 6/13/08, Andrea Barbieri <andrea.barbieri01@xxxxxxxxx> wrote:
>
> Good morning to all,
> For first sorry for my English, is pretty awfull so have patience.
> i'm trying to calibrate two LCD an eizo 1931,(pretty new) and a Neovo
> f17 (old one)  but results, that's for sure better than previous done with
> eye 1 match..to my eyes seems to tend to be "warm"  on the eizo.
>
> As i think a calbration/profiling of a monitor as for every other thing
> have to be done following the work needs, i start from that.
> The profile i'm searching to do is for photo editing, that for now have not
> to be printed but viewed on web.
> so i want calibrate the f17 as much close as possible to srgb..
> And the Eizo,  the best calibration in absolute  possible, for the
> lcd characteristics and for photo editing.
>
> As an only video workflow, i suppose the best match as to be 6500°K gamma
> 2.2 as "standard"  the colorimeter is an i1 display lt (old one gretag..)
>
> What i've done so far and the question in order to correct eventual
> mistake, or suggestion how to obtain a better profile....
>
> deleted the previous I1match 3 profile. reset to default the eizo.
>
> Note always i notice this warning? what is this?  Warning - RegOpenKeyEx
> failed with 2, it seems not influence any operation.
>
> dispcal -v -d 2 -r -y l
>
> dispcal -v -d 2 -qh -y l -T6500 -e10 EIZO_tatgetA
>
>  question about.. -T -t options... white daylight  or white blackbody?
> excuse my ignorance but if ,i suppose, whyte daylight  first is the  same
> as 1one match do when i calibrate to 6500°  what is the white balck body ?
> which of the two options are better for my needs? and if someone could
> explain why in an easy way..
> then is better an L curve? or better leave the gamma on 2.2?
> and the brightness as i see affect the color response, and i've to fine
> tune r-g-b gains, which is the more usefull the 140cm^ as seen on web or is
> only a common pratice?
>
> Another question, as the 1931 as only brightness and a  gain for the r-g-b
> i suppose that i've only to calibrate using option  2 and 3 right?
>
>  1) Black level (CRT: Brightness)
>   2) White point (Color temperature, R,G,B, Gain)
>   3) White level (CRT: Contrast, LCD: Brightness)
>   4) Black point (R,G,B, Offset)
>   5) Check all
>   6) Continue on to calibration
>   7) Exit
>
>
>
> next step  targen -v3 -d3 -e20 -f2000 EIZO_displayA
>
> i choose f2000 as a good number of patches for the Eizo...
> the -e 20 (to test various whites ) is too much?
> others option usefull?  the others seems to me targeted on printers..
>
> nex step dispread -v -d2 -yl -k EIZO_tatgetA.cal EIZO_displayA
>
> next and final step  profile -v -D"EIZO_DISPLAY" -qh -y -al -dmt
> EIZO_displayA
> L profile everywhwere seems to be said are better...
> -y i suppose verify that the conversion to rgb values is correct...
> -dmt is how i work so i suppose is the right choice..
> i excuse me, don't understand the 90% of other option  there's others
> usefull?
>
> After that i wull try to do the work for the Neovo,the lcd that will help
> me out to better guess what the world outside will see my photo,
> Is  indeed a really strange lcd, with backlight regulation,
> brightness-contrast and gains for lcd.. so i suppose will be a little more
> complicate (and is old really old 2003 so the lamp have a "cold" tendences)
>
>
> thanks for any help
>
>

Other related posts: