# Object, world and scene representations

A part of the CVonline computer vision resource summarizing the different object, world and scene representations commonly encountered in computer vision and image processing.

Full object representations

CAD representations

Cross section functions

Edgelet, Contourlet

Radius vector functions

Wavelet descriptors

Geometric representation of model features/Points

Local scale descriptions

Surflet

Region representations

Planar patches/faces, Edges, Vertices, Boundary representations

Spherical spin images

Multi-scale representation approaches

Non-rigid model representations

Non-symbolic representations

Procedural representations

Short-term activity representations

Motion history/Energy models

Volume motion templates

Long-term activity representations

Global representations

Target trajectory models