Recovering high dynamic range radiance maps from photographs
Proceedings of the 24th annual conference on Computer graphics and interactive techniques
Data Compression: The Complete Reference
Data Compression: The Complete Reference
Real-Time High Dynamic Range Texture Mapping
Proceedings of the 12th Eurographics Workshop on Rendering Techniques
High dynamic range display systems
ACM SIGGRAPH 2004 Papers
Evaluation of tone mapping operators using a High Dynamic Range display
ACM SIGGRAPH 2005 Papers
Perceptually based tone mapping for low-light conditions
ACM SIGGRAPH 2011 papers
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Displays have seen much improvements over the years, with enhancements in spatial resolution and vertical refresh, etc., to provide better and smoother visual experiences. Color intensity resolution, however, has not changed much over the past few decades. Most displays are still limited to 8-bits per channel. Simultaneously, much work has gone into capturing high dynamic range images. Mapping these directly to current displays loses information that may be critical to many applications. We present a way to enhance intensity resolution of a given display by mixing intensities over spatial or temporal domains. Our system sacrifices high vertical refresh and spatial resolution in order to gain intensity resolution. We present three ways to mix intensities: spatially, temporally and spatio-temporally. The systems produce in-between-intensities not present on the base display, which are clearly distinguishable by the naked eye. We evaluate our systems using both a camera and human subjects, evaluating whether they scale the intensity resolution and also ensuring that the newly generated intensities follow the display model.