Suchergebnisse - "Model-based coding"

Multiple-model coding scheme for electrical signal compression von Presvôts, Corentin, Kieffer, Michel, Prevost, Thibault, Panciatici, Patrick, Li, Zuxing, Piantanida, Pablo

“… This paper proposes a low-latency Multiple-Model Coding (MMC) approach to compress sampled electrical signal waveforms under encoding rate constraints. The …”
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The emerging JBIG2 standard von Howard, P.G., Kossentini, F., Martins, B., Forchhammer, S., Rucklidge, W.J.

“… The Joint Bi-Level Image Experts Group (JBIG), an international study group affiliated with ISO/IEC and ITU-T, is in the process of drafting a new standard for …”
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Learning Local Objective Functions for Robust Face Model Fitting von Wimmer, M., Stulp, F., Pietzsch, S., Radig, B.

“… Model-based techniques have proven to be successful in interpreting the large amount of information contained in images. Associated fitting algorithms search …”
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Multi-view coding for image-based rendering using 3-D scene geometry von Magnor, M., Ramanathan, P., Girod, B.

“… To store and transmit the large amount of image data necessary for Image-based Rendering (IBR), efficient coding schemes are required. This paper presents two …”
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A Similarity Metric for Retrieval of Compressed Objects: Application for Mining Satellite Image Time Series von Gueguen, L., Datcu, M.

“… This paper addresses the problem of building an index of compressed object databases. We introduce an informational similarity measure based on the coding …”
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Triangular segmentation criterion for DT mesh based video coding von GUO Da-bo1, LU Zhao-yang1, JIAO Wei-dong1, HU Xing-xing1

“… Based on the analysis of the deficiency of two previous Delaunay triangular mesh segmentation criterions—minimize difference of gray and minimize variance of …”
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An Active Model for Facial Feature Tracking von Ahlberg, Jörgen

“… We present a system for finding and tracking a face and extract global and local animation parameters from a video sequence. The system uses an initial colour …”
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Visual Estimation and Compression of Facial Motion Parameters—Elements of a 3D Model-Based Video Coding System von Tao, Hai, Huang, Thomas S.

“… The MPEG4 standard supports the transmission and composition of facial animation with natural video by including a facial animation parameter (FAP) set that is …”
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Tracking a detected face with dynamic programming von Yao, Zhengrong, Li, Haibo

“… In this paper, we consider the problem of tracking a moving human face in front of a video camera in real-time for a model-based coding application. The 3D …”
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Two-stage Multiple-Model Compression Approach for Sampled Electrical Signals von Presvots, Corentin, Kieffer, Michel, Prevost, Thibault, Panciatici, Patrick, Li, Zuxing, Piantanida, Pablo

“… This paper presents a two-stage Multiple-Model Compression (MMC) approach for sampled electrical waveforms. To limit latency, the processing is window-based, …”
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Generating Realistic Facial Expressions with Wrinkles for Model-Based Coding von Yin, Lijun, Basu, Anup

“… Due to the limitations of current computer graphics technology mimicing realistic facial textures, such as wrinkles, is very difficult. Facial texture updating …”
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Face tracking for model-based coding and face animation von Ahlberg, Jörgen, Forchheimer, Robert

“… We present a face and facial feature tracking system able to extract animation parameters describing the motion and articulation of a human face in real‐time …”
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MPEG-4 facial animation in video analysis and synthesis von Eisert, Peter

“… MPEG‐4 supports the definition, encoding, transmission, and animation of 3‐D head and body models. These features can be used for a variety of different …”
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Triangular segmentation criterion for DT mesh based video coding von GUO Da-bo1, LU Zhao-yang1, JIAO Wei-dong1, HU Xing-xing1

“… Based on the analysis of the deficiency of two previous Delaunay triangular mesh segmentation criterions—minimize difference of gray and minimize variance of …”
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Scalable and Efficient Video Coding Using 3-D Modeling von Balter, R., Gioia, P., Morin, L.

“… In this paper, we present a three-dimensional (3D) model-based video coding scheme for streaming static scene video in a compact way but also enabling time and …”
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Geometry-assisted image-based rendering for facial analysis and synthesis von Eisert, Peter, Rurainsky, Jürgen

“… In this paper, we present an image-based method for the tracking and rendering of faces. We use the algorithm in an immersive video conferencing system where …”
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Hierarchical motion estimation with content-based meshes von Al-Regib, G., Altunbasak, Y., Mersereau, R.M.

“… Two-dimensional mesh-based models provide a good alternative to motion estimation and compensation. The estimation of the best node-point motion vectors is a …”
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Model-based global and local motion estimation for videoconference sequences von Calvagno, G., Fantozzi, F., Rinaldo, R., Viareggio, A.

“… In this work, we present an algorithm for face 3-D motion estimation in videoconference sequences. The algorithm is able to estimate both the position of the …”
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Integrating active face tracking with model based coding von Yin, Lijun, Basu, Anup

“… In this paper, input from an active camera is used for MPEG4 model based coding. First, the background is compensated considering a moving camera (tilt or …”
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The Clustered Causal State Algorithm: Efficient Pattern Discovery for Lossy Data-Compression Applications von Schmiedekamp, M., Subbu, A., Phoha, S.

“… Pattern discovery is a potential boon for data compression, but current approaches are inefficient and produce cumbersome pattern descriptions. The clustered …”
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