Frequency-Domain & Texture Analysis

Step 6.2 — 2D FFT spectrum, PSD radial profile, bandpass/notch filters, and GLCM texture descriptors.

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FFT Magnitude Spectrum

Filtered Image

Analysis Mode

FFT / PSD Filter GLCM

Compute 2D FFT and radial Power Spectral Density profile.

Filter type Bandpass Notch Lowpass Highpass

r low (px)

r high (px)

Gray levels

Distances

Angles (°)

Compute