This repository contains a collection of Digital Geometry Processing libraries to be used in achieving multiple shape correspondence. Libraries and their brief descriptions are placed below:

TACore: Contains core classes to be used by other libraries.
TAShape: Contains classes to represent a 3-dimensional shape using different formats. Currently, PCL and Open Inventor libraries are used to represent the shape digitally.
TAFeatureExtraction: Contains an inheritance hierarchy to extract global or local features from 3-dimensional shape. Following feature types are implemented:

• Heat Kernel Signature (see http://www.lix.polytechnique.fr/~maks/papers/hks.pdf )
• Average Geodesic Distance
• Intrinsic Wave Descriptor (see http://www.staff.uni-mainz.de/wandm/papers/eg11_plansac.pdf )

TAFeatureExtraction.h includes the basic classes which are on top of the hierarchy.
PatchBasedPerVertexFeatureExtraction.h includes an interface for multi-scale 3-dimensional per vertex features.

TAFeature: Contains feature types extracted by TAFeatureExtraction.
TAPaper: Contains Matlab, C++ codes from different academic sources.