COLMAP

Related terms

Agisoft Metashape

Commercial photogrammetry software (Agisoft LLC, Saint Petersburg) widely used in forensic anthropology for 3D model production from image sets. Accuracy of approximately...

DBSML

Detroit-Bone Sex/Maturity Logic: a logistic-regression-based classification system for sex estimation from cranial and postcranial linear measurements, developed at Wayne State University, providing...

Explainability (ML Forensic)

The capacity of a machine-learning model to articulate, in interpretable terms, the features driving its classification or estimation output. Required under Daubert,...

Geomorph (R Package)

An open-source R package (Adams and Otarola-Castillo 2013; actively maintained through 2024) implementing Procrustes superimposition, principal component analysis in shape space, multivariate...

LASSO Regression

Least Absolute Shrinkage and Selection Operator: a regularised regression method that shrinks non-predictive coefficients toward zero, performing simultaneous feature selection and regression....

Micro-CT

Computed tomography at voxel sizes of 10 to 100 micrometres, resolving individual trabeculae and bone microarchitecture invisible to clinical CT or surface...

Procrustes Superimposition

The statistical procedure in geometric morphometrics that removes non-shape variation (translation, rotation, scale) from a set of landmark coordinates, leaving only shape...

Structure-from-Motion (SfM)

A photogrammetric technique in which overlapping images from a drone or camera, processed by software, generate a three-dimensional point cloud and textured...

Thin-Plate Spline (TPS)

A mathematical warping function used in geometric morphometrics to visualise the shape difference between a reference specimen and a target, deforming a...

Explained in

• Emerging Methods: 3D Scanning and Geometric MorphometricsOpen-source SfM photogrammetry software maintained by ETH Zurich, providing zero-cost 3D reconstruction from image sets. Used in under-resourced forensic labor...