バージョン 1.0.0 (2.28 KB) 作成者:
Computes an anti-aliased mask from a polygon, like poly2mask but then accurate anti aliased
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representing the polygon defined by the vertices in vectors X and Y.
The output GrayMask is a double array of size M x N:
- Pixels on the edge of the polygon are set to a value representing
the area of overlap between the polygon and the pixel's square area.
- Pixels inside the polygon (defined by X and Y) are set to 1.
- Pixels outside the polygon (defined by X and Y) are set to 0.
Example:
% Create a 100x120 grayscale image
M = 100; N = 120;
% Create an ellipse
theta = linspace(0, 2*pi, 100); % 100 points for the circle contour
x_ellipse = 60 + 55 * cos(theta); % x coordinates of the circle contour
y_ellipse = 50 + 40 * sin(theta); % y coordinates of the circle contour
% Compute the anti-aliased mask for the ellipse

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1.0.0