Monday, December 27, 2010

Yet Another Way for Evaluating Profile Performance

The idea is to capture the image instead of printing it out and carrying out the physical measurement. With this 'soft' approach, neither ink nor paper is needed, and any profile can be evaluated without the presence of physical device. The RGB values for the patches will be extracted from the captured image and compared with the reference data.

Option for sRGB conversion

Errors (dE2000 @95th % max error)
dE1= 0.42 (error introduced by extraction of RGB values)
dE2= 0  (possible error due to raster capture utility)
dE3= 5.07 for PM5
dE3= 4.34 for MP

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