Istituto di Scienza e Tecnologie dell'Informazione     
Banterle F., Dellepiane M., Scopigno R. High dynamic range images for enhancing low dynamic range content. In: ACM SIGGRAPH ASIA - The 4th ACM Siggraph Conference and Exhibition on Computer Graphics and Interactive Techniques in Asia (Hong Kong, PCR, 12-15 Dicembre 2011). Abstract, pp. 1 - 1. ACM, 2011.
This poster presents a practical system for enhancing the quality of Low Dynamic Range (LDR) videos using High Dynamic Range (HDR) background images. Our technique relies on the assumption that the HDR information is static in the video footage. This assumption can be valid in many scenarios where moving subjects are the main focus of the footage and do not have to interact with moving light sources or highly reflective objects. Another valid scenario is teleconferencing via webcams, where the background is typically over-exposed, not allowing the users to perceive correctly the environment where the communication is happening.
URL: http://dl.acm.org/citation.cfm?id=2073304.2073351&coll=DL&dl=ACM&CFID=65425214&CFTOKEN=89070941
DOI: 10.1145/2073304.2073351
Subject High Dynamic Range Imaging
I.4.3 Enhancement

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