Calculate and plot the principal axis - image processing

Version 1.0.0 (10.1 KB) by DUY Nguyen
Calculate and plot the principal axis of a white object in a dark background image
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Updated 5 Mar 2023

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PLOT_PRINCIPAL_AXIS - reads an image with white object and dark background, then calculates its principal axis passing through the centroid by this equation: tan(2θ) = 2mxy / (mx^2 - my^2)

Cite As

DUY Nguyen (2026). Calculate and plot the principal axis - image processing (https://in.mathworks.com/matlabcentral/fileexchange/125680-calculate-and-plot-the-principal-axis-image-processing), MATLAB Central File Exchange. Retrieved .

MATLAB Release Compatibility
Created with R2022b
Compatible with any release
Platform Compatibility
Windows macOS Linux
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Version Published Release Notes
1.0.0