Presentation of calibrated images over the web

Jeffrey B. Mulligan

doi:10.1117/12.817746

10 February 2009 Presentation of calibrated images over the web

Jeffrey B. Mulligan

Proceedings Volume 7240, Human Vision and Electronic Imaging XIV; 724006 (2009) https://doi.org/10.1117/12.817746
Event: IS&T/SPIE Electronic Imaging, 2009, San Jose, California, United States

Abstract

This paper considers the problem of delivering calibrated images over the web with the precision appropriate for psychophysical experimentation. We are interested only in methods that might be employed by a remote participant possessing nothing other than a computer terminal. Therefore, we consider only purely psychophysical methods not requiring any measurement instruments or standards. Because of this limitation, there are certain things we can not determine, the most significant of which is the absolute luminance. We present solutions for three particular problems: linearization, also known as gamma correction; determination of the relative luminances of the display primaries; and colorimetry, i.e. determining the chromaticity of the primaries.

Citation Download Citation

Jeffrey B. Mulligan "Presentation of calibrated images over the web", Proc. SPIE 7240, Human Vision and Electronic Imaging XIV, 724006 (10 February 2009); https://doi.org/10.1117/12.817746

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