3D-FPFH-Int: A Hybrid Geometric–Radiometric Descriptor for Anomaly Detection in Tropical Heritage Structures

This repository contains the full implementation of the 3D-FPFH-Int descriptor, ablation experiments (geometric-only, radiometric-only, hybrid), multi-detector evaluation scripts (PatchCore, Isolation Forest, kNN), robustness testing utilities, and synthetic dataset (500 annotated point clouds). It supports reproducibility of the study “A Multi-Detector, Ablation-Controlled, and Statistically Validated Evaluation of a Hybrid 3D Geometric–Radiometric Descriptor for Structural Anomaly Detection