Visual Displays
Visual Displays
The evaluation, calibration, and choice of visual displays are critical to the success of the psychophysics enterprise. In this chapter, we show how to evaluate and calibrate visual displays and summarize the qualities of some current display technologies, including CRT, LCD, LED, and OLED monitors, LCD, DLP, and 3-Chip DLP projectors, and LCD googles. A number of simple sample programs for calibration and evaluation of displays are provided, including tests for timing, display distortion, synchronization and luminance and color calibration. We describe methods to display high resolution luminance. Obviously, the specifics of particular devices at any given time will be subject to change as technologies emerge in the marketplace. However, the goals and principles of evaluation and calibration will be applicable to any new device.
Keywords: Display evaluation, Display calibration, Display technologies, Display distortions, Pixel independence, Temporal response, Synchronization, Luminance calibration, Color calibration, High resolution luminance
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