Tom, many times i said i am grateful for your help and ps action i did with your cooperation works. here is an example:
[ATTACH]55709[/ATTACH]
but after i put my hands on the SpectroShade tool for profesionall color analysis in dentistry i can:
1)compare results from both methods
2)see that the resolution of my analysis is better and more detail in pixels (not big squares like SpectroShade does)
3)see that many times tooth color doesn't match any of the VITA shades i use for analysis but it is based on color range tolerance. that's why i'm working on more detailed and mathematical analysis by using excel to check delta E.
in a few days i'm going to resample my shades with maximum quality.
here is a correct jpg and xlsx.
[ATTACH]55707[/ATTACH]
[ATTACH]55708[/ATTACH]
http://dentopolis.org/temp/3part.xlsx
i don't know if i'm doing it right in excel with L,a,b and a,b ...i can see a little difference between Lab and ab in the middle and bite section of the tooth. but i think that even right now excel confirms the right way i made photoshop analysis. any ideas how to make it better?
what's not good is that in ps colors overlay each other when the tolerance is too high in color range selection.
do you think that some proportion in excel could mix color to say that for example i should take 70% B2 and 30& C2 to achieve minimum delta E?
