Grayscale Canny Edge Detection

Version 1.0.0.0 (22 KB) by Jered Wells
Performs Canny edge detection with grayscale magnitude and direction outputs
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Updated 10 Sep 2015

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[MAG,THETA,DX,DY] = canny(IM) computes the magnitude and angle of local
intensity gradients in 2-D image IM. DX and DY are the independent X-
and Y-component gradients.

[MAG,THETA,DX,DY] = canny(IM,SIGMA) changes the standard deviation of
the Gaussian smoothing kernel. By default, SIGMA = SQRT(2).

Cite As

Jered Wells (2026). Grayscale Canny Edge Detection (https://www.mathworks.com/matlabcentral/fileexchange/52956-grayscale-canny-edge-detection), MATLAB Central File Exchange. Retrieved .

MATLAB Release Compatibility
Created with R2015a
Compatible with any release
Platform Compatibility
Windows macOS Linux
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Version Published Release Notes
1.0.0.0