Glossary: Letter U

User Datagram Protocol: a connectionless transport protocol that sends datagrams without establishing a connection or guaranteeing delivery. UDP is faster than TCP and is used for real-time applicatio...

Universal Scene Description: a Pixar framework for interchange of 3D scene data. It supports layered composition, variants, and non-destructive editing of complex 3D scenes.

A zero-compression zip archive of a USD scene by Apple and Pixar. The primary format for AR content on Apple platforms.

A modeling error that occurs when a machine learning model is too simple to capture the underlying patterns in the data. An underfit model performs poorly on both training and test data, indicating in...