>Psychtoolbox>PsychBasic

PsychCV is a MEX file for computer-vision applications. PsychCV has
many functions; type “PsychCV” for a list:
PsychCV

Please note that PsychCV is only supported on recent platforms, e.g.,
Matlab versions 7.4 (R2007a) and later or Octave-3 on Windows, and only
on Intel based Macintosh computers under OS/X but not on PowerPC
machines.