Brightness of flashing point sources

H. Ridder, de, L.J.C. Theelen

    Research output: Contribution to journalArticleAcademicpeer-review

    Abstract

    Recently, a model was proposed to describe the brightness of time-dependent stimuli (Roufs and Pellegrino van stuyvenherg, 1979). In order to test this model a brightness-matching and a brightness-scaling method have been used to investigate the influence of the flash duration on the relationship between brightness and luminance for flashing point sources. It was found that 1. the exponent of the power function describing the relationship between brightness and luminance, is independent of the flash duration and 2. the results of brightness-matching and scaling experiments are mutually consistent for one subject if it is assumed that the brightness impression is determined by the effective luminance, i.e. luminance above threshold. This has led to a revision of the model.
    Original languageEnglish
    Pages (from-to)47-53
    Number of pages7
    JournalIPO Annual Progress Report
    Volume18
    Publication statusPublished - 1983

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