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A PRACTICAL MODEL FOR MESOPIC PHOTOMETRY

Teresa Goodman, Alistair Forbes, Helen Walkey
  • Abstract:
    This article reports the results of a multinational research project investigating visual performance in halflight (mesopic) conditions. From the experimental investigations using reaction time, detection threshold and recognition contrast threshold techniques, the results were used to develop a system for practical mesopic photometry, which provides an acceptably good fit to the experimental data and is also suitable for practical implementation by the lighting industry. A major feature of the model is that it can be implemented in terms of photopic and scotopic luminance measurements, measurements that can easily be made in practice.
  • Keywords:
    mesopic photometry, visual performance
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  • DOI:
    _unreg_wc-2006.TC18-002

Event details:

  • IMEKO TC:
  • Event name:
    XVIII IMEKO World Congress
  • Title:

    Metrology for a Sustainable Development

  • Place:
    Rio de Janeiro, BRAZIL
  • Time:
    17 September 2006 - 22 September 2006