insert circle values in 512x512 matrix

10 vues (au cours des 30 derniers jours)
Douglas Janovik Maliszewski
I need create a 512x512 matrix, with the border parts geting the 0 value and the central part of matrix geting 1 value. The goal is create a mask of an image. How I solve this problem?

Réponses (1)

Walter Roberson
Walter Roberson le 24 Nov 2019
Modifié(e) : Walter Roberson le 24 Nov 2019
M = ones(512,512);
M([1 end], :) = 0;
M(:, [1 end]) = 0;

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