Publication detail

Evaluation of illumination using digital photography

SUMEC, S. ŠKODA, J. KRBAL, M. BAXANT, P.

Original Title

Evaluation of illumination using digital photography

Type

conference paper

Language

English

Original Abstract

This paper presents measuring system LDA (Luminance Distribution Analyzer) which is dedicated for evaluation of illumination and light sources using digital photography. Thanks to the precise calibration of camera we achieved the precision adequate to the standard measuring instruments. Calibration includes spectral characteristics of the sensor, geometric properties of the lens, and the mechanical behaviour of the camera itself. However, the indisputable advantage is the speed and efficiency of the measurement and the following analysis of the data. For example, instead of a large number of individual measurements using the luminance meter just take one picture of a room, subsequently illumination at the arbitrary point can be easily subtracted. The paper describes the abilities of developed software and shows several examples of its real application.

Keywords

Digital Photography, Measurement, Illumination, Calibration, UGR

Authors

SUMEC, S.; ŠKODA, J.; KRBAL, M.; BAXANT, P.

RIV year

2013

Released

15. 4. 2013

Publisher

COMMISSION INTERNATIONALE DE L ECLAIRAGE

Location

Paris

ISBN

978-3-902842-44-2

Book

Proceedings of CIE Centenary Conference „Towards a New Century of Light“

Pages from

1208

Pages to

1215

Pages count

8

BibTex

@inproceedings{BUT99463,
  author="Stanislav {Sumec} and Jan {Škoda} and Michal {Krbal} and Petr {Baxant}",
  title="Evaluation of illumination using digital photography",
  booktitle="Proceedings of CIE Centenary Conference „Towards a New Century of Light“",
  year="2013",
  pages="1208--1215",
  publisher="COMMISSION INTERNATIONALE DE L ECLAIRAGE",
  address="Paris",
  isbn="978-3-902842-44-2"
}