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Subject: 
Re: Proof of a Hoax? (was: New 9V Digital Trains for Germany this Autumn)
Newsgroups: 
lugnet.trains
Date: 
Fri, 31 Mar 2000 18:21:20 GMT
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In lugnet.trains, Christopher Tracey writes:
Here's the mirror proof:
I took the images of the points from the 'leaked' catalog and cut them out
into separate files.  I mirrored one of them.  I then dropped the red and
green components from one and the green and blue from the other.  I then
put the opacity of one to 50% while leaving the other opaque.  The
transparent one was placed on top of the other.  Any pixel that is the same
will turn up
purplish, while a different one will be either red or blue.  My conclusion
was that the images were exactly the same and appeared in the 'catalog' as
mirror images of the same photo.  Here are the results:
http://www.brickshelf.com/cgi-bin/gallery.cgi?i=3188

very nice technique :)

Dan



Message has 1 Reply:
  Re: Proof of a Hoax? (was: New 9V Digital Trains for Germany this Autumn)
 
(...) standard image processing techique(sorta) for change detection. It's used a lot in ecological and archaeological studies with a time series of aerial photographs. You can tell what has changed from time point to time point just by looking at (...) (25 years ago, 31-Mar-00, to lugnet.trains)  

Message is in Reply To:
  Re: Proof of a Hoax? (was: New 9V Digital Trains for Germany this Autumn)
 
(...) Here's the mirror proof: I took the images of the points from the 'leaked' catalog and cut them out into separate files. I mirrored one of them. I then dropped the red and green components from one and the green and blue from the other. I then (...) (25 years ago, 31-Mar-00, to lugnet.trains) ! 

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