[argyllcms] Re: "Failed to meet target 0.4, got worst case 0.3" WTF?
- From: adam k <aak1946@xxxxxxxxx>
- To: "argyllcms@xxxxxxxxxxxxx" <argyllcms@xxxxxxxxxxxxx>
- Date: Thu, 11 Nov 2010 16:33:11 -0500
What's the problema?
Sent from iPhone
On Nov 11, 2010, at 4:15 PM, Niccolò Belli <darkbasic4@xxxxxxxxx> wrote:
> Argyll 1.3.2, Gentoo Linux amd64
>
> # dispcal -v -yl -t -g2.2 -F -H -V -Ibw -qh calibrazione
> Setting up the instrument
> Instrument Type: ColorMunki
> Serial Number: xxxxxxx
> Firmware version: 288
> Chip ID: xx-xxxxxxxxxxxxxx
> Version string: 'colormunki FW V1.32 Build Nr. 1303'
> Calibration Ver.: 6
> Production No.: xxxxx
> Set instrument sensor to calibration position,
> and then hit any key to continue,
> or hit Esc or Q to abort:
> Calibration complete
>
> Place instrument on test window.
> Hit Esc or Q to give up, any other key to continue:
> Display type is LCD
> Target white = native white point
> Target white brightness = native brightness
> Target black brightness = native brightness
> Target advertised gamma = 2.200000
>
> Display adjustment menu:
> Press 1 .. 7
> 1) Black level (CRT: Offset/Brightness)
> 2) White point (Color temperature, R,G,B, Gain/Contrast)
> 3) White level (CRT: Gain/Contrast, LCD: Brightness/Backlight)
> 4) Black point (R,G,B, Offset/Brightness)
> 5) Check all
> 6) Measure and set ambient for viewing condition adjustment
> 7) Continue on to calibration
> 8) Exit
> Commencing device calibration
> patch 6 of 6
>
> Black = XYZ 3.18 3.30 6.24
> Red = XYZ 126.02 72.37 23.69
> Green = XYZ 124.67 215.09 46.57
> Blue = XYZ 77.37 65.91 362.80
> White = XYZ 321.86 346.94 419.89
> patch 80 of 80
> Initial native brightness target = 346.935940 cd/m^2
> Target white value is XYZ 321.862361 346.935940 419.890332
> Adjusted target black XYZ 3.19 3.30 6.26, Lab 8.58 1.41 -6.83
> Target black after min adjust: XYZ 3.187 3.302 6.256, Lab 8.582 1.410 -6.829
> Gamma curve input offset = 0.000000, output offset = 0.009517, power =
> 2.250712
> Total Iteration 4, Final Samples = 96 Final Repeat threshold = 0.400000
> Creating initial calibration curves...
> Doing iteration 1 with 12 sample points and repeat threshold of 1.131371 DE
> patch 12 of 12
> Brightness error = 0.000000 cd/m^2 (is 346.727651, should be 346.727651)
> White point error = 0.000000 deltaE
> Maximum neutral error (@ 0.065376) = 1.059393 deltaE
> Average neutral error = 0.493535 deltaE
> Number of measurements taken = 21
> Computing update to calibration curves...
> Doing iteration 2 with 24 sample points and repeat threshold of 0.800000 DE
> patch 24 of 24
> Brightness error = 0.000000 cd/m^2 (is 346.698659, should be 346.698659)
> White point error = 0.000000 deltaE
> Maximum neutral error (@ 0.451898) = 0.793305 deltaE
> Average neutral error = 0.444618 deltaE
> Number of measurements taken = 32
> Computing update to calibration curves...
> Doing iteration 3 with 48 sample points and repeat threshold of 0.565685 DE
> patch 48 of 48
> Brightness error = 0.000000 cd/m^2 (is 346.671245, should be 346.671245)
> White point error = 0.000000 deltaE
> Maximum neutral error (@ 0.019406) = 0.561966 deltaE
> Average neutral error = 0.298051 deltaE
> Number of measurements taken = 81
> Computing update to calibration curves...
> Doing iteration 4 with 96 sample points and repeat threshold of 0.400000 DE
> patch 96 of 96
> Brightness error = 0.000000 cd/m^2 (is 346.606991, should be 346.606991)
> White point error = 0.000000 deltaE
> Maximum neutral error (@ 0.193201) = 0.703763 deltaE
> Average neutral error = 0.327364 deltaE
> Failed to meet target 0.400000 delta E, got worst case 0.362716
> Number of measurements taken = 411
> The instrument can be removed from the screen.
> Written calibration file 'calibrazione.cal'
>
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