OT - Why does Photoshop do this?
OT - Why does Photoshop do this?
- Subject: OT - Why does Photoshop do this?
- From: Martin Orpen <email@hidden>
- Date: Wed, 17 Nov 2004 13:58:02 +0000
I was messing about with 16 to 8 bit conversions in Photoshop yesterday and
noticed that I was getting errors in neutral pixels.
So I made an AppleScript to transform a 24x24 pixel RGB image 100 times to
see what the result would be like:
<http://prometheus.idea-digital.com/phpbb2/viewtopic.php?t=300>
The results didn't look random enough to me to have been caused by rounding
errors, so I adapted the script to generate images with different RGB
neutral values and got this:
<http://prometheus.idea-digital.com/phpbb2/viewtopic.php?t=301>
Which makes me think that Photoshop is purposely generating noise - even
though I've made a point of turning every dithering option off.
Is this a feature or a bug?
--
Martin Orpen
Idea Digital Imaging Ltd -- The Image Specialists
http://www.idea-digital.com
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