Surfel is an abbreviation of "surface element". In 3D computer graphics, the use of surfels is an alternative to polygonal modeling.

Surfel
Operations on Surfel-Bounded Solids
Interactive boolean operations on surfel-bounded solids
Multi-resolution surfel maps for efficient dense 3D modeling and tracking
Multi-resolution surfel maps for efficient dense 3D modeling and tracking
A Smoothing Operator for Boolean Operations on Surfel-Bounded Solids
Multi-View Scene Capture by Surfel Sampling: From Video Streams to Non-Rigid 3D Motion, Shape and Reflectance
Multi-view scene capture by surfel sampling: from video streams to non-rigid 3D motion, shape and reflectance
Multi-View Scene Capture by Surfel Sampling: From Video Streams to Non-Rigid 3D Motion, Shape and Reflectance
Corrigendum to “Multi-resolution surfel maps for efficient dense 3D modeling and tracking” [J. Vis. Commun. Image Represent. 25 (1...