help with montage function

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Jim O'Doherty
Jim O'Doherty 2011-11-1
All,
I have a stack of images which is 63x64x16 and is a uint16 class. Any idea how I would make a montage using the montage function? I keep getting an errorwith the color map:
??? Error using ==> imageDisplayValidateParams>validateCData at 114
Unsupported dimension
Error in ==> imageDisplayValidateParams at 31
common_args.CData = validateCData(common_args.CData,image_type);
Error in ==> imageDisplayParseInputs at 79
common_args = imageDisplayValidateParams(common_args);
Error in ==> imshow at 199
[common_args,specific_args] = ...
Error in ==> montage at 139
hh = imshow(bigImage,cmap);
Thanks in advance!
Jim

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Amith Kamath
Amith Kamath 2011-11-2
From the help page for montage:
montage(X, map) displays all the frames of the indexed image array X, using the colormap map for all frames. X is an M-by-N-by-1-by-K array.
So I suppose you need to reshape your data into a 4D matrix, and then use montage on it with the appropriate colormap defined using map.
I ran montage on the 3D matrix and got the exact error, and hence I'm sure this will fix it!
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Walter Roberson
Walter Roberson 2011-11-2
I wonder how permute() compares in speed to reshape() for this purpose. Probably slower.

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