The VideoToolbox software for visual psychophysics: Transforming numbers into movies

Research output: Contribution to journalArticle

Abstract

The VideoToolbox is a free collection of two hundred C subroutines for Macintosh computers that calibrates and controls the computer-display interface to create accurately specified visual stimuli. High-level platform-independent languages like MATLAB are best for creating the numbers that describe the desired images. Low-level, computer-specific VideoToolbox routines control the hardware that transforms those numbers into a movie. Transcending the particular computer and language, we discuss the nature of the computer-display interface, and how to calibrate and control it.

Original languageEnglish (US)
Pages (from-to)437-442
Number of pages6
JournalSpatial Vision
Volume10
Issue number4
DOIs
StatePublished - 1997

ASJC Scopus subject areas

  • Experimental and Cognitive Psychology
  • Computer Vision and Pattern Recognition

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