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Displaying colourimetrically calibrated images on a high dynamic range display
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Ruppertsberg, Alexa I., Bloj, Marina, Banterle, Francesco and Chalmers, Alan. (2007) Displaying colourimetrically calibrated images on a high dynamic range display. Journal of Visual Communication and Image Representation, Vol.18 (No.5). pp. 429-438. ISSN 1047-3203
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Official URL: http://dx.doi.org/10.1016/j.jvcir.2007.06.007
Abstract
When colourimetrically characterising a high dynamic range display (HDR) built from an LCD panel and an LED backlight one is faced with several problems: the channels may not be constant; they may not be independent and there may be a significant radiant output at the black level. But crucially, colour transforms are underdetermined, which means that the number of colourimetric dimensions is smaller than the number of device channels. While the first three problems are associated with the LCD, the fourth problem stems from the additional channel in the HDR, the backlight. A 37" flat-panel Brightside DR37-P HDR display was characterised. Using a spectroradiometer we recorded spectral radiance, chromaticities and luminance and estimated the true increase in gamut of the display due to the additional LED layer. We present a basic characterisation, propose a method for accurately presenting a desired luminance and chromaticity output despite the underdetermined problem and give an estimate of the available gamut.
| Item Type: | Journal Article |
|---|---|
| Subjects: | Q Science > QA Mathematics > QA76 Electronic computers. Computer science. Computer software |
| Divisions: | Faculty of Science > WMG (Formerly the Warwick Manufacturing Group) |
| Journal or Publication Title: | Journal of Visual Communication and Image Representation |
| Publisher: | Academic Press Inc Elsevier Science |
| ISSN: | 1047-3203 |
| Date: | October 2007 |
| Volume: | Vol.18 |
| Number: | No.5 |
| Number of Pages: | 10 |
| Page Range: | pp. 429-438 |
| Identification Number: | 10.1016/j.jvcir.2007.06.007 |
| Status: | Peer Reviewed |
| Publication Status: | Published |
| Access rights to Published version: | Restricted or Subscription Access |
| URI: | http://wrap.warwick.ac.uk/id/eprint/31281 |
Data sourced from Thomson Reuters' Web of Knowledge
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