The Chinese University of Hong Kong (CUHK) will showcase 12 technological projects at the coming International ICT Expo 2013 at the Hong Kong Convention and Exhibition Centre from 13 to 16 April. Among them is the ‘Binocular Tone Mapping’ technology which provides an alternative way for users to watch high-quality 3D images at a low cost.

With the wide popularity of 3D movies, more and more filmmakers produce movies in 3D. However, the dynamic range of current display devices is quite limited and can only present a much smaller range of intensity as compared with our daily visual experiences. Although the fast-growing HDR (High dynamic range) technology can preserve richer content of images, current display technology lacks the ability to accurately show HDR outputs.

To tackle the problem, Prof. WONG Tien Tsin, Department of Computer Science and Engineering, CUHK, and his team has recently developed an innovative technology called ‘Binocular Tone Mapping’. By utilizing the binocular fusion property of human vision system and the increasingly popular stereoscopic devices, the new technology offers users a low-cost and comfortable way to simultaneously perceive both the high contrast as well as the rich texture details at both dark and bright regions, so as to gain an enriched visual experience.

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