On water marks. I wanted to ghost my logo onto the image, as if lightly frosted on glass. The Decorate doesn't allow you to do this,.<br><br>On protection:<br>One form of protection when it comes to court would be the existence of other pictures from the same shooting session, uncropped originals from the same session.<br>
<br>I figured that one way to protect an image would be to overlay a 1 least significant bit fractal design over it. <br><br>The design needs to have broad elements, so that a casual smoothing or resizing doesn't destroy it. It also needs to have fine scale elements so that it's<br>
still recognizable when severly cropped. In ascii art this is a 2 level example for Sherwood's Forests Tree Farms<br><br><font size="2"> <br><span style="font-family: courier new,monospace;"></span><span style="font-family: courier new,monospace;"></span></font><br>
<font size="2"><span style="font-family: courier new,monospace;">SFTFS FTFSF SFTF</span></font><font size="2"><span style="font-family: courier new,monospace;">SF </span></font><font size="2"><span style="font-family: courier new,monospace;">FTFS</span></font>F<br>
<font size="2"><span style="font-family: courier new,monospace;">S F T </span></font><font size="2"><span style="font-family: courier new,monospace;"> </span></font><font size="2"><span style="font-family: courier new,monospace;">F </span></font><br>
<font size="2"><span style="font-family: courier new,monospace;">S F T </span></font><font size="2"><span style="font-family: courier new,monospace;"> </span></font><font size="2"><span style="font-family: courier new,monospace;">F </span></font><br>
<font size="2"><span style="font-family: courier new,monospace;">SFTFS FTFS </span></font><font size="2"><span style="font-family: courier new,monospace;">T </span></font><font size="2"><span style="font-family: courier new,monospace;">FTFS</span></font><br>
<font size="2"><span style="font-family: courier new,monospace;"> S F T</span></font><font size="2"><span style="font-family: courier new,monospace;"> </span></font><font size="2"><span style="font-family: courier new,monospace;">F</span></font><br>
<font size="2"><span style="font-family: courier new,monospace;"> S F T </span></font><font size="2"><span style="font-family: courier new,monospace;"> </span></font><font size="2"><span style="font-family: courier new,monospace;">F</span></font><br>
<font size="2"><span style="font-family: courier new,monospace;">SFTFS F T </span></font><font size="2"><span style="font-family: courier new,monospace;"> </span></font><font size="2"><span style="font-family: courier new,monospace;">F</span></font><br>
<font size="2"><span style="font-family: courier new,monospace;"></span></font><br><br>Probably some work could be done to match the method to the style of file (E.g seems that a lot of jpeg stuff happens in multiples of 8? So parhaps putting<br>
it on an 8 boundary will make it more persistent.<br><br>Working at multiple levels of detail makes it a lot more difficult to edit out.<br><br><br>On Sun, May 3, 2009 at 9:49 AM, gerlos <<a href="mailto:gerlosgm@gmail.com">gerlosgm@gmail.com</a>> wrote:<br>
><br>> On domenica 03 maggio 2009 17:05:44, Gilles Caulier wrote:<br>> : > 2009/5/3 libu <<a href="mailto:lb.mailinglists@gmail.com">lb.mailinglists@gmail.com</a>>:<br>> > > Yup, that it is :) ! Thanks m. !<br>
> > ><br>> > > Do you know whether we can do this in a batch instead of 1 photo at a<br>> > > time.<br>> ><br>> > Implemented in digiKam 0.11.0, where a new Batch Queue Manager have<br>
> > been added. A Batch tool can add visible Watermark...<br>><br>> Another nice thing to have is "invisible" watermarking, maybe including a<br>> "signature" through steganography, so a photographer can protect himself from<br>
> abuse of his work: if you can see the watermark, you could also remove it<br>> (most times just cropping the image!).<br>><br>> Unfortunately, it seems that's there are really few tools to do these things<br>
> released under GNU GPL...<br>><br>> <a href="http://en.wikipedia.org/wiki/Digital_watermarking">http://en.wikipedia.org/wiki/Digital_watermarking</a><br>> <a href="http://en.wikipedia.org/wiki/Steganography">http://en.wikipedia.org/wiki/Steganography</a><br>
> <a href="http://steghide.sourceforge.net/">http://steghide.sourceforge.net/</a><br>> <a href="http://stegui.sourceforge.net/">http://stegui.sourceforge.net/</a><br>><br>> best regards<br>> gerlos<br>> _______________________________________________<br>
> Digikam-users mailing list<br>> <a href="mailto:Digikam-users@kde.org">Digikam-users@kde.org</a><br>> <a href="https://mail.kde.org/mailman/listinfo/digikam-users">https://mail.kde.org/mailman/listinfo/digikam-users</a><br>
<br><br><br>--<br>Sherwood Botsford<br>Sherwood's Forests<br>Warburg, Alberta T0C 2T0<br><a href="http://www.sherwoods-forests.com">http://www.sherwoods-forests.com</a><br>780-848-2548<br>