Re: How to use i1Profiler to measure a P2P25 target
Re: How to use i1Profiler to measure a P2P25 target
- Subject: Re: How to use i1Profiler to measure a P2P25 target
- From: Steve Upton <email@hidden>
- Date: Tue, 10 Mar 2015 10:38:09 -0700
> On Mar 10, 2015, at 8:36 AM, William Whitfield <email@hidden> wrote:
>
> I also had challenges, so I built my own P2P tif and reference file, one for the iO and one for the iSis. They are formatted to look just like the”supplied" P2P targets with the same number of rows and columns.
Please note that the P2P distributed with Curve and shared from the IDEAlliance and Hutchcolor websites has a number of dithered patches.
The P2P target contains several patches with fractional values. These are rendered into a 16-bit target & then downsampled to 8-bit using dithering. (not an automated process).
So, if you create your own target image file, you should recreate the dithered patches in order to obtain the same results.
regards,
Steve
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