The software for the X-Rite ColorChecker Passport seem to only work with DNG. Is it possible to use this with scanned film? I tried converting TIFF and JPEG scans to DNG but X-Rite's program just says it can't understand the DNG.
As a note I am scanning with an Epson V850.
Have you try the Adobe DNGProfile Editor?
For camera but not a scanner, this work flow is work:
1, Export it to .DNG files.
2, Import it into DNGProfile Editor.
3, Align the chart table as in 'chart' tag (fig.1):
4, Export it into a *.dcp profile.
5, Move this file into profile folder. For windows:
C:\Users\username\AppData\Roaming\Adobe\CameraRaw\CameraProfiles\*.dcp
After all, you can apply it in ACR.
If you are not satisfied with this approach, it is possible to manually adjust it in HSL panel just like the SpyderCheckr24 do (this kind of color checker exports the adjustment of HSL). Or in color tables in DNG Editor (recommended).
In fact, I suppose the reason of your failure is because of the negetive appearance and colour cast which may not compatible with programmes. Only manual operation will work if you can't generate a positive version of RAW files.
(Personally, I suggest the correction of scanner is more important with the positive apperance)
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