Re: Reading textile samples
Re: Reading textile samples
- Subject: Re: Reading textile samples
- From: Graeme Gill <email@hidden>
- Date: Thu, 10 Mar 2016 09:00:54 +1100
Garth Fletcher wrote:
> What differentiates textiles from most other media is their strong
> surface texture. The incident angle of the illumination can have a
> strong effect on the reading. For example, 45° illumination creates
> shadow areas behind each raised fiber which will be "seen" by a 0°
> sensor.
Which may be a good reason NOT to use the ColorMunki for the task.
Unlike the i1Pro which illuminates from all sides, it only illuminates
from one direction.
> Diffuse illumination may be useful to alleviate that problem.
i.e. a sphere geometry instrument. But I think that almost
all of them are spot measuring, so you would need an automated
table to measure lots of patches.
Maybe a Spectroscan with polarization filter fitted ?
Graeme Gill.
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