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Spat Vis. 1997;10(4):437-42.

The VideoToolbox software for visual psychophysics: transforming numbers into movies.

Author information

  • 1Department of Psychology, New York University, NY 10003, USA. denis@psych.nyu.edu

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.

PMID:
9176953
[PubMed - indexed for MEDLINE]
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