Aw: Re: Acquiring Dental RVG on Linux
>  confirms the pixel size to be 19 micro. pypng does have a way to
> supply it. Now it's reporting sensible distances, but have to check and
> see if there are calibration issues.
> BTW any idea, what "True (measured) resolution = 16lp/mm" means in ? It
> seems it's called line pairs per mm. Not sure how to correlate it with 19
> micro pixel size.
I saw that PDF before but by the time I found it Aaron had already hinted
at the 12-bit-grayscale nature of the data (the small table in that PDF would
eventually have told us so, too).