Coisas

Autores

Computer Science Department – Polytechnic Institute of Leiria, 2012

Contents

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Contents

1. HIGH DYNAMIC RANGE ..............................................................................................................9 1.1 1.2 1.3 1.4 RGB .........................................................................................................................................9 PRODUCE ................................................................................................................................11 STORING .................................................................................................................................13 VISUALIZING ............................................................................................................................14

2. BIBLIOGRAPHY .........................................................................................................................17

List of Figures

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List of Figures

Figure 1 – Dynamic Range acquired by the HVS. .......................................................................................... 9 Figure 2 – Electromagnetic spectrum. .......................................................................................................... 10 Figure 3 – RGB constraint in a CIE chromaticity diagram [Walker '96]. ...................................................... 10 Figure 4 – Left: In the 1590 painting “La Agoria en el Jardin”, El Greco used saturated colours of opposing hues to increase the apparent dynamic range of the scene. Right: Photograph taken around 1915 by Prokudin Gorskii. He managed to extend the dynamic range by using black-and-white film together with colour filters [Meyer '04]. .................................................................................................................... 11 Figure 5 – HDR image obtained from several photographs taken under different exposure times [Urbano, et al.