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7 June 2004 Display characterization by eye: contrast ratio and discrimination throughout the grayscale
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Proceedings Volume 5292, Human Vision and Electronic Imaging IX; (2004)
Event: Electronic Imaging 2004, 2004, San Jose, California, United States
We have measured the ability of observers to estimate the contrast ratio (maximum white luminance / minimum black or gray) of various displays and to assess luminous discrimination over the tonescale of the display. This was done using only the computer itself and easily-distributed devices such as neutral density filters. The ultimate goal of this work is to see how much of the characterization of a display can be performed by the ordinary user in situ, in a manner that takes advantage of the unique abilities of the human visual system and measures visually important aspects of the display. We discuss the relationship among contrast ratio, tone scale, display transfer function and room lighting. These results may contribute to the development of applications that allow optimization of displays for the situated viewer / display system without instrumentation and without indirect inferences from laboratory to workplace.
© (2004) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Jennifer Gille, Larry Arend, and James O. Larimer "Display characterization by eye: contrast ratio and discrimination throughout the grayscale", Proc. SPIE 5292, Human Vision and Electronic Imaging IX, (7 June 2004);


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