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Publications (16)
Spatial Psychovisual Modulation (SPVM) is a newly proposed display technology which makes use of the redundancy in display capacity. Many applications (i.e., information security display and simultaneous dual-subtitle exhibition) have been developed based on SPVM. In the implementation of the SPVM systems, the original images are down-sampled line-...
QR (Quick Response) Codes are widely used as a convenient unidirectional communication channel to convey information , such as emails, hyperlinks, or phone numbers, from publicity materials to mobile devices. But the QR Code is not visually appealing and takes up valuable space of publicity materials. In this paper, we propose a new method to embed...
ARAR In this paper we propose a new paradigm for visible light communication (VLC) using the emerging display technology of Temporal Psycho-Visual Modulation (TPVM) that exploits the interaction between human visual system and modern electro-optical display devices. Unlike traditional VLC, no specifically designed light emitter and receiver are req...
Nyctalopia, millions of people all over the world suffering from which, brings much trouble to the patients. The available night vision systems are poor in user experience but cost much. In this paper we design and implement an Augmented-Reality night vision enhancement application for see-through glasses. According to our model proposed for the ni...
With the booming of visual media, people pay more and more attention to privacy protection in public environments. Most existing research on information security such as cryptography and steganography is mainly concerned about transmission and yet little has been done to prevent the information displayed on screens from reaching eyes of the bystand...
Camcorder piracy has great impact on the movie industry. Although there are many methods to prevent recording in theatre, no recognized technology satisfies the need of defeating camcorder piracy as well as having no effect on the audience. To realize anti-piracy, we uses a new paradigm of information display technology, called temporal psychovisua...
Medical imaging technologies such as magnetic resonance imaging (MRI) and computerized tomographic (CT) are used to diagnose a wide range of medical diseases. Medical images are generated by detecting density differences between different tissues in the body. Multiple medical image visualization is of critical importance to diagnosis. This paper in...
In the long term research of visual attention, various computational models have been proposed. However, most of those works do not take audio into consideration. In practice, visual signals often come along with audio. Therefore, it is natural to investigate the influence of audio on visual attention. In this paper, we focus on the problem of when...
With the quick acceleration of cultural exchange and globalization, multi-language annotation for in-theatre movie exhibition is gaining more attention. The existing solution overlays a stack of subtitles in different languages over the movie, for example, the familiar combination of English + local tongue as seen in the cinema today. However, a ma...
Visual attention is an important function of the human visual system (HVS). In the long term research of visual attention, various computational models have been proposed with encouraging results. However, most of those work were conducted on images with ideal visual quality. In practice, outputs of most visual communication systems contain differe...
Privacy protection is of increasing importance in this era of information explosion. This paper introduces an information security display system based on the idea of Spatial Psycho-visual Modulation (SPVM). With the rapid advance of modern manufacturing techniques, display devices now support very high pixel density (e.g. the retina display of App...
Dual-language annotation for in-theatre movie exhibition is a useful technique to facilitate the understanding of the movie for audiences from different nations and with different cultural backgrounds. Currently, the most popular solution is the direct superimposition of subtitles in a pair of different languages over the movie, e.g. English + Chin...