I used `padarray`, a built-in function in Image Processing Toolbox, very often.
It was a bit tedious and annoying to turn the padded array into its original size, particularly for ND array.
For example, you might write as follow:
`A = B(1+padsize(1):end-padsize(1), 1+padsize(2):end-padsize(2), 1+padsize(3):end-padsize(3), ......, 1+padsize(k):end-padsize(k));`, which looks messy.
Therefore, I created this handy function as the "inverse" of `padarray` to truncate an array in a concise and intuitive fasion.
The usage mimics `padarray`'s:
`B = truncatearray(A, truncatesize)`
`B = truncatearray(A, truncatesize, direction)`
Examples:
A = rand(randperm(randi([4, 10], 1)));
padsize = randperm(randi([0, ndims(A)], 1));
paddirection= 'pre';
B = padarray(A, padsize, paddirection);
C = truncatearray(B, padsize, paddirection);
if isequal(C, A), disp('Pass'), else, disp('Error');end
인용 양식
wfH (2024). Truncate an array along the dimensions specified (https://www.mathworks.com/matlabcentral/fileexchange/131558-truncate-an-array-along-the-dimensions-specified), MATLAB Central File Exchange. 검색됨 .
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