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PCM
2004
Springer
97views Multimedia» more  PCM 2004»
14 years 2 months ago
Frequency Weighting and Selective Enhancement for MPEG-4 Scalable Video Coding
In MPEG-4 scalable video coding, only a small portion of input data is coded in the base layer, and most signal components remain in enhancement layers. In this paper, we propose a...
Seung Hwan Kim, Yo-Sung Ho
AFRIGRAPH
2003
ACM
14 years 2 months ago
Psychophysically based artistic techniques for increased perceived realism of virtual environments
The perceived realism of a computer generated image depends on the accuracy of the modeling and illumination calculations, the limitations of the display device, and the way in wh...
Peter Longhurst, Patrick Ledda, Alan Chalmers
CHI
2010
ACM
14 years 2 months ago
Clutching at straws: using tangible interaction to provide non-visual access to graphs
We present a tangible user interface (TUI) called Tangible Graph Builder, that has been designed to allow visually impaired users to access graph and chart-based data. We describe...
David K. McGookin, Euan Robertson, Stephen A. Brew...
AINA
2010
IEEE
14 years 2 months ago
GEPETO: A GEoPrivacy-Enhancing TOolkit
Abstract—A geolocalised system generally belongs to an individual and as such knowing its location reveals the location of its owner, which is a direct threat against his privacy...
Sébastien Gambs, Marc-Olivier Killijian, Mi...
CHI
2009
ACM
14 years 1 months ago
Writing to your car: handwritten text input while driving
For in-car navigation, information and entertainment systems, text input is increasingly important. We investigate handwriting as a text input modality and assess where to best po...
Dagmar Kern, Albrecht Schmidt, Jonas Arnsmann, Tho...