Subject:
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Re: Grayscale Mosaics
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Newsgroups:
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lugnet.build.mosaic
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Date:
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Sat, 8 Jan 2005 03:53:25 GMT
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Viewed:
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6094 times
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Maarten,
My mosaics are more than just a dithering of the 5 grayscale lego colors. In
MLCAD, using a dithering of the 5 colors, I create a palette of 9 colors that I
feel tricks the eye into seeing more shades, and therefore a clearer image.
Here’s a poor example:
On the left is the image with just the 5 color dithering. On the right is the
same image using my system. IMO it looks much smoother, especially in person.
Your image would look like this:
:)
Corey
http://www.brickshelf.com/cgi-bin/gallery.cgi?f=110213
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Message has 1 Reply:
 | | Re: Grayscale Mosaics
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| (...) Maybe -first of all- we need a good definition of "dithering": Your left image shows no dithering at all. I see a similar conversion method as the one I used on the mosaic of (URL) my children>. I simply divide the total image in X fields of (...) (20 years ago, 8-Jan-05, to lugnet.build.mosaic, FTX)
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Message is in Reply To:
| | Re: Grayscale Mosaics
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| To create my (URL) Level 42 mosaic> I used the Floyd-Steinberg dithering algorythm: This algorythm was originally written to convert images to black & white (NO grayscale) to reduce filesize. I used this very same algorythm in a 3-dimensional space: (...) (20 years ago, 5-Jan-05, to lugnet.build.mosaic, FTX)
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