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OwlAlpha-0.5.png

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[OwlAlpha-0.5.png]

Title:
    Horned Owl
Author:
    Pieter S. van der Meulen
Description:
    The original image was taken in July '90 with a Canon A-1
    and FD35-70 on Ektachrome, 100 ASA, on July 1990 in Alaska.
    The photographer (me :-) is reflected in the eyes (@left),
    and is being completely ignored by this magnificent bird.
    Digitization was done via PhotoCD. From 4Base resolution,
    the alpha channel was created by edge detection and floodfill.
    Low-pass filtering (norm. cut-off 0.2) was applied to create
    a soft alpha mask. The final result was shrunk by half.
URL:
    http://www.geocities.com/Yosemite/7147/nationalparks.html for the
    original PhotoCD image;
    http://www.libpng.org/pub/png/ for the PNG home site.
Copyright:
    Copyright 1999 Pieter S. van der Meulen.  This image, including
    the alpha channel, may be used, edited and reproduced freely.
Software:
    pnmtopng 2.37.2
        

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