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regarding masking the image

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Rd
Rd am 21 Jul. 2020
Verschoben: DGM am 5 Mai 2023
kindly expalin the following line
mask_h and mask_w are the scalar inputs
mask = zeros(mask_h,mask_w);
mask(1:mask_h/2,:) = -1;
mask(mask_h/2 + 1:end,:) = 1;

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waqas
waqas am 21 Jul. 2020
Verschoben: DGM am 5 Mai 2023
First line is defining a zero matrix With mask_h rows and mask_w columns.
In the second line, all the entries in first half of the rows are being assigned a value of -1.
For third line, rest of the rows, i.e., all the entries from half of the rows till the end are assigned a value of 1.
You are using Matlab indexing to assign values of 1 or -1 to the entries based on their location in the matrix.
  2 Kommentare
Rd
Rd am 21 Jul. 2020
Verschoben: DGM am 5 Mai 2023
Thanks a lot.
waqas
waqas am 21 Jul. 2020
Verschoben: DGM am 5 Mai 2023
My pleasure. If your query is resolved then I would suggest to accept the answer.

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