High-dynamic-range video solution

Authors:
Alan Chalmers;Gerhard Bonnet;Francesco Banterle;Piotr Dubla;Kurt Debattista;Alessandro Artusi;Christopher Moir
Affiliations:
University of Warwick;Spheron VR;University of Warwick;University of Warwick;University of Warwick;CASToRC Cyprus Institute;University of Warwick
Venue:
ACM SIGGRAPH ASIA 2009 Art Gallery & Emerging Technologies: Adaptation
Year:
2009

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Abstract

The natural world presents our visual system with a wide, ever-changing range of colors and intensities. Existing video cameras are only capable of capturing a limited part of this wide range with sufficient resolution. High-dynamic-range (HDR) images can represent most of the real world's luminances, but until now capturing HDR images with a linear-response function has been limited to static scenes. This demonstration showcases a novel complete HDR video solution. The system includes a unique HDR video camera capable of capturing a full HDTV video stream consisting of 20 f-stops dynamic range at a resolution of 1920 x 1080 pixels at 30 frames per second; an encoding method for coping with the huge amount of data generated by the camera (achieving a compression ratio of up to 100:1 and real-time decompression); and a new 22-inch desktop HDR display for directly visualizing the dynamic HDR content.