HARD, NDT: A post-processing pipeline mapping relative hollowness by fusing audio transients with computer vision. It analyzes spectral resonance decay against a solid baseline to detect density shifts. Uses OpenCV for spatial tracking and renders 3D topographic heatmaps via PyVista.
python opencv computer-vision signal-processing dsp ndt pyvista non-destructive-testing acoustic-tomography
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Updated
May 12, 2026 - Python