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Diffstat (limited to 'matlab/tools/imscale.m')
| -rw-r--r-- | matlab/tools/imscale.m | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/matlab/tools/imscale.m b/matlab/tools/imscale.m new file mode 100644 index 0000000..957f11f --- /dev/null +++ b/matlab/tools/imscale.m @@ -0,0 +1,28 @@ +function out = imscale(in) + +%------------------------------------------------------------------------ +% out = imscale(in) +% +% Rescales the image values between zero and one. +% +% in: input image. +% out: scaled output image. +%------------------------------------------------------------------------ +%------------------------------------------------------------------------ +% This file is part of the +% All Scale Tomographic Reconstruction Antwerp Toolbox ("ASTRA-Toolbox") +% +% Copyright: iMinds-Vision Lab, University of Antwerp +% License: Open Source under GPLv3 +% Contact: mailto:astra@ua.ac.be +% Website: http://astra.ua.ac.be +%------------------------------------------------------------------------ +% $Id$ + +mi = min(in(:)); +ma = max(in(:)); +if (ma-mi) == 0 + out = zeros(size(in)); +else + out = (in - mi) / (ma - mi); +end |