 | | Re: Grayscale Mosaics —Maarten Steurbaut
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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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| | | | | Re: Grayscale Mosaics —Corey Sanders
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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 (...) (20 years ago, 8-Jan-05, to lugnet.build.mosaic, FTX)
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| | | | | | Re: Grayscale Mosaics —Maarten Steurbaut
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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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| | | | | | Re: Grayscale Mosaics —Corey Sanders
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| | | | (...) I guess we do need a good definition. :) In this image: (URL) The far left has NO dithering, the middle has the FS dithering (many programs do this), and the right is mine. (...) (snip) I use several different techniques but that is the heart (...) (20 years ago, 9-Jan-05, to lugnet.build.mosaic, FTX)
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