Looping over function string arguments
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The problem is:
%%%%%%%%%%%%%%%%%%%%%%%%%%%This works fine %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%interpolation='bicubic';
interpolation='bilinear';
for scale=1:4
for image_idx={'01', '02', '03'}
img_name = strjoin(cellstr(['E:\', image_idx, '.tiff']));
Iin = imread(img_name);
...
Iout = imresize(Iin, scale, interpolation);
...
end
end
%%%%%%%%%%%%%%%%%%%%%%%%%%%%This does not %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
for interpolation={'bilinear', 'bicubic'}
for scale=1:4
for image_idx={'01', '02', '03'}
...
Iout = imresize(Iin, scale, interpolation);
...
end
end
end
Second case throws an exception:
Index exceeds matrix dimensions.
Error in imresize>parseMethodArg (line 432)
kernel_width = method{2};
Error in imresize>parseInputs (line 252)
[params.kernel, params.kernel_width, params.antialiasing] = ...
Error in imresize (line 141)
params = parseInputs(varargin{:});
Error in test_algorithm (line 25)
Ic = imresize(Ic, scale, interpolation);
0 件のコメント
採用された回答
David Sanchez
2014 年 6 月 17 日
In the second method you are passing a cell array as input argument.
Try this:
interpolation={'bilinear', 'bicubic'};
for k=1:numel(interpolation)
for scale=1:4
for image_idx={'01', '02', '03'}
...
Iout = imresize(Iin, scale, interpolation{k});
...
end
end
end
3 件のコメント
David Sanchez
2014 年 6 月 17 日
They are different command/functions.
strjoin works fine with cell arrays as input arguments.
For any other function, the input arguments has to be a string.
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