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Background-Adjusted Weber-Fechner Fraction Considering Crispening Effect

Dong-Ha LEE, Chan-Ho HAN, Kyu-Ik SOHNG

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Summary :

The recognition limit of luminance difference in the human visual system (HVS) has not been studied systematically. In this paper, surround adapted Weber-Fechner fraction is calculated based on the crispening effect. It is found that surround adapted fractions have reduced to 1/3 of the traditional Weber-Fechner fractions. As compared with Breitmeyer's experiments, the presented result is a reasonable one. It can be used as some guide to design the digital display system when a designer needs to decide bit count of digital signal in considering of the limit of brightness level, and as the inspection tool of display manufacturing of brightness smear, defect, and so on.

Publication
IEICE TRANSACTIONS on Fundamentals Vol.E88-A No.6 pp.1529-1532
Publication Date
2005/06/01
Publicized
Online ISSN
DOI
10.1093/ietfec/e88-a.6.1529
Type of Manuscript
Special Section LETTER (Special Section on Papers Selected from 2004 International Technical Conference on Circuits/Systems, Computers and Communications (ITC-CSCC 2004))
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