eFourieR
Input
Output
Theory
Exit
Data Input
Input Format
Image
Outline Coordinates
Reset
Image Adjustments
Crop
Reset Image
Background
Dark
Light
Binarize
Threshold Adjustment Factor
Extract Outline
Elliptical Fourier Analysis
Harmonics
EFA Reconstruction Landmarks
Run EFA
Inverse Elliptical Fourier Reconstruction
Elliptical Fourier Coefficients
Load Coordinate File
This plot will demonstrate how the Fourier ellipses interact with one another to approximate an object's outline.
Select a .csv file that contains columns for the x- and y-coordinates of an outline.
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Header
Landmarks
Harmonics
Animation Speed