Information
- Publication Type: Bachelor Thesis
- Workgroup(s)/Project(s):
- Date: September 2013
- Date (Start): 1. March 2012
- Date (End): 16. September 2013
- Matrikelnummer: 0925447
- First Supervisor:
- Keywords: mixed reality, high dynamic range image
Abstract
In this thesis I present a method for calculating high dynamic range images in a mixed reality system. Cameras and monitors usually have a lower dynamic range than we encounter in the real world, e.g. the sun. While pictures have a maximal contrast of 1:500, real world scenes often have a contrast of 1:100 000. An image taken of a scene with a higher dynamic range than our camera can capture will have regions that are too bright or too dark. With a higher exposure time more details will be visible in dark regions and with a lower exposure time more details will be visible in bright regions. Since our camera cannot create an image preserving details in both dark and bright regions we have to calculate one using the images our camera can actually produce. The method described in this thesis is based on the work of Debevec and Malik. It takes several images taken with different exposure times and combines them to a high dynamic range image, leading to a better viewing experience in our RESHADE framework, a mixed reality framework, for which this method was implemented.Additional Files and Images
Weblinks
No further information available.BibTeX
@bachelorsthesis{rasch_martina-2013-HDRImage, title = "HDR Image Acquisition for Augmented Reality", author = "Martina Rasch", year = "2013", abstract = "In this thesis I present a method for calculating high dynamic range images in a mixed reality system. Cameras and monitors usually have a lower dynamic range than we encounter in the real world, e.g. the sun. While pictures have a maximal contrast of 1:500, real world scenes often have a contrast of 1:100 000. An image taken of a scene with a higher dynamic range than our camera can capture will have regions that are too bright or too dark. With a higher exposure time more details will be visible in dark regions and with a lower exposure time more details will be visible in bright regions. Since our camera cannot create an image preserving details in both dark and bright regions we have to calculate one using the images our camera can actually produce. The method described in this thesis is based on the work of Debevec and Malik. It takes several images taken with different exposure times and combines them to a high dynamic range image, leading to a better viewing experience in our RESHADE framework, a mixed reality framework, for which this method was implemented.", month = sep, address = "Favoritenstrasse 9-11/E193-02, A-1040 Vienna, Austria", school = "Institute of Computer Graphics and Algorithms, Vienna University of Technology ", keywords = "mixed reality, high dynamic range image", URL = "https://www.cg.tuwien.ac.at/research/publications/2013/rasch_martina-2013-HDRImage/", }