Riassunto
The purpose of VLBV 2003 was to provide an international forum for the d- cussion of the state of the art of visual content processing techniques, standards, and applications covering areas such as: video/image analysis, representation and coding, communications and delivery, consumption, synthesis, protection, and adaptation. The topics of special interest include all the areas relevant to image communications nowadays, from representation and coding to content classi?cation, adaptation, and personalization. A meeting covering such a wide range of topics takes many years to develop. So, please follow a brief story of the evolution of this relevant and specialized forum and of its adaptation to the prevailing interests along time. At the beginning of 1993, the idea of a specialized workshop to discuss topics in advanced image communications came in Lausanne, Switzerland, at a m- ting of the steering committee of the International Picture Coding Symposium. Therefore, the so-called International Workshop on Coding Techniques for Very Low Bit-rate Video VLBV was born as low bit-rate research was considered to be the leading edge. The ?rst workshop was held at the University of Illinois at Urbana-Champaign, USA, in 1993; the second at the University of Essex in Colchester, UK, in April 1994; the third at NTT in Tokyo, Japan, in November 1995;thefourthattheUniversityofLink¨ oping,Sweden,inJuly1997;the?fthin Urbana (again) in October 1998. Until this last workshop, VLBV life was closely tied with MPEG-4, that is to low bit-rate research.
Contenuti
PANEL I: Image and Video Analysis: Ready to Allow Full Exploitation of MPEG Services?.- What Can Video Analysis Do for MPEG Standards?.- PANEL II: Content Adaptation.- Content Adaptation: The Panacea for Usage Diversity?.- Towards Semantic Universal Multimedia Access.- Transcoding, Scalable Coding, and Standardized Metadata.- PANEL III: Video Coding: Present and Future.- Panel Position Notes – Video Coding: Present and Future.- SESSION A.- Template-Based Eye and Mouth Detection for 3D Video Conferencing.- Face Recognition for Video Indexing: Randomization of Face Templates Improves Robustness to Facial Expression.- Simple 1D Discrete Hidden Markov Models for Face Recognition.- Tracking a Planar Patch by Additive Image Registration.- Diatom Screening and Classification by Shape Analysis.- Combining MPEG-7 Based Visual Experts for Reaching Semantics.- Depth-Based Indexing and Retrieval of Photographic Images.- Stochastic Models of Video Structure for Program Genre Detection.- 1-D Mosaics as a Tool for Structuring and Navigation in Digital Video Content.- Summarizing Video: Content, Features, and HMM Topologies.- Automatic Generation of Personalized Video Summary Based on Context Flow and Distinctive Events.- Multi-criteria Optimization for Scalable Bitstreams.- Real-Time Audiovisual Feature Extraction for Online Service Provision over DVB Streams.- MPEG-4-Based Automatic Fine Granularity Personalization of Broadcast Multimedia Content.- A Way of Multiplexing TV-Anytime Metadata and AV Contents to Provide Personalized Services in Digital Broadcasting.- Automatic Videoconference Objects Watermarking Using Object Adapted Qualified Significant Wavelet Trees.- A New Self-Recovery Technique for Image Authentication.- Video Denoising Using Multiple Class Averaging with Multiresolution.- Multi-resolution Mosaic Construction Using Resolution Maps.- A Method for Simultaneous Outlier Rejection in Image Super-Resolution.- SESSION B.- Lossless Coding Using Predictors and Arithmetic Code Optimized for Each Image.- On Optimality of Context Modeling for Bit-Plane Entropy Coding in the JPEG2000 Standard.- Tile-Based Transport of JPEG 2000 Images.- Efficient Method for Half-Pixel Block Motion Estimation Using Block Differentials.- Motion Vector Estimation and Encoding for Motion Compensated DWT.- Video Coding with Lifted Wavelet Transforms and Frame-Adaptive Motion Compensation.- Design Options on the Development of a New Tree-Based Wavelet Image Coder.- On Content-Based Very Low Bitrate Video Coding.- A Real-Time N-Descriptions Video Coding Architecture.- A New Approach for Error Resilience in Video Transmission Using ECC.- Improved Error Concealment Using Scene Information.- Error Resilient Video Coding Using Unequally Protected Key Pictures.- Online Gaming and Emotion Representation.- Reconstructing 3D City Models by Merging Ground-Based and Airborne Views.- Extraction of 3D Structure from Video Sequences.- A Scalable and Modular Solution for Virtual View Creation in Image-Based Rendering Systems.- Directly Invertible Nonlinear Divisive Normalization Pyramid for Image Representation.- Image Cube Trajectory Analysis for Concentric Mosaics.
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