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From: Andreas Freise <adf@mpq.mpg.de>
Newsgroups: alt.ascii-art
Subject: Re: Physical ASCII mosaic
Date: Sun, 27 Jan 2002 22:54:17 +0100
Organization: Universitaet Hannover
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On Sat, 26 Jan 2002, Markus Gebhard wrote:
[...]
> The results are somewhat funny:
>                        _________
>       _________      _/         \_
>     _/         \_/__/           __\
>    /________                   /  \
>   /         |                 |
>          __/      _            \
>         /        / \       _    \
>       _/    _   /   |     | \_  |
>      /   __/ | |    \     |   \_/
>      |__/   /  /     \__  |
>      \      | |         \_/
>            /  |
>            |  /
>           /  |
>          /   /
>          |  |
>          |  |
>          |  |
>          |  |
>          |  |
>          |  |
>         /   |
>         |   |_
>        /______\
[...]
> 
> But this is no good point for starting a _real_ edge detection
> algorithm. Anyway, may investigations on that topic show that chances
> are very low for edge detection being the key to better image2ascii
> algorithms.

Mh - but but but - I feel that the edge detect with a proper line algorithm
would be quite nice for someone working in the `watermark' mode. I only tried
once to use a greyscale-converted picture as a basis for a line picture and the
work as well as the result were not promising (to say the least). A nice
edge detect would make the copying from a bitmap image somewhat easier.

And, apart from that, I don't think the examples you posted are `bad'
images. They are good starting points I think.

[...]
> PS: The edge tracing algorithm will be part of the next release of JavE.

Surprise! ;) 
No, really, I like that!

:)
Andreas

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