vol_fft_highpass — 3D frequency op

• Data kinds: voxel → voxel

• Call: import volfreq; volfreq.vol_fft_highpass(vol, cutoff, spacing=None) (or ops3d.get("vol_fft_highpass"))

Usage

Gaussian high-pass — the exact complement `1 - lowpass` (the two sum

References (sample data, literature)

• Sample-data catalog (download URLs / licences) — 2-D uses skimage.data (BSD/public domain) plus synthetic images; 3-D lists download URLs for real data sources (Stanford, PDS, …).

• Operator provenance and references — the sources of the research/methods this op family came from.

Runnable examples (verified samples that actually call this op)

• deconv_fft_restore — py -3.11 examples_3d/deconv_fft_restore.py

Ops the type connects to (they accept voxel as input)

voxel_to_mips · voxel_to_mesh · signed_distance_field · to_points · sobel3d · hessian3d · curvature_maps · edt_jfa

Same category (frequency)

vol_fft_lowpass · vol_fft_bandpass

*Provenance: volfreq.py — 3D operator registry. This per-op note is generated by tools/opdocs.py md (do not hand-edit).*

© 2026 Kazufumi Furuse — Fullseye operator documentation. Licensed under Apache-2.0.