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LANC
2009
ACM
158views Education» more  LANC 2009»
15 years 4 months ago
Enhancements to the opinion model for video-telephony applications
In this paper, we show how the proposed model in ITU-T Recommendation G.1070 “Opinion model for video-telephony applications” cannot model properly the perceptual video qualit...
Jose Joskowicz, José Carlos López-Ar...
DCC
2000
IEEE
15 years 2 months ago
RD-Optimization of Hierarchical Structured Adaptive Vector Quantization for Video Coding
This paper contains two contributions to very-low-bitrate video coding. First, we show that in contrast to common practice incremental techniques for rate-distortion optimization ...
Marcel Wagner, Dietmar Saupe
MM
2003
ACM
145views Multimedia» more  MM 2003»
15 years 3 months ago
Proscenium: a framework for spatio-temporal video editing
We present an approach to video editing where movie sequences are treated as spatio-temporal volumes that can be sheered and warped under user control. This simple capability enab...
Eric P. Bennett, Leonard McMillan
CAISE
2003
Springer
15 years 3 months ago
Process-aware Authoring of Web-based Educational Systems
In this paper we discuss how the concept of ontology can be beneficial for the authoring support of Web-based educational systems (WBES). We take a semantic perspective on the know...
Lora Aroyo, Riichiro Mizoguchi
VCIP
2003
148views Communications» more  VCIP 2003»
14 years 11 months ago
Semantic transcoding of video based on regions of interest
Traditional transcoding on multimedia has been performed from the perspectives of user terminal capabilities such as display sizes and decoding processing power, and network resou...
Jeongyeon Lim, Munchurl Kim, Jong-Nam Kim, Kyeongs...