Image to tactile graphic converter

[高生旺]

On Thu, 25 Jun 2009, Mario Lang wrote:

> 高生旺 <coscell at mail.batol.net> writes:
> 
> > Are there free software to convert image file to tactile graphic for 
> > embossing?
> 
> You can use ImageMagick (the convert utility) to convert all image
> formats support by ImageMagick to Braille (either Unicode braille
> or brf).

How to do that?