Searching for authors named "Dimitrios Tzovaras" – sorted by Relevance.
11 documents found, showing 1 through 10.
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Reliving VE day with schemata activation
- …This paper reports some preliminary work on the IntoMyWorld candidate Presence II project. One of the key components of IntoMyWorld is a mixed reality ‘album ’ of important events. The album will contain entries which will allow people, for example, to re-immerse themselves in their own weddings or …
- Cited by 2 (0 self) – Add To MetaCart
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3D object articulation and motion estimation in model-based stereoscopic videoconference image sequence analysis and coding
- …This paper describes a procedure for model-based analysis and coding of both left and right channels of a stereoscopic image sequence. The proposed scheme starts with a hierarchical dynamic programming technique for matching across the epipolar line for e$cient disparity/depth estimation. Foreground…
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Flexible 3D motion estimation and tracking for multiview image sequence coding
- …This paper describes a procedure for model-based coding of all channels of a multiview image sequence. The 3D model is initialised by accurate adaptation of a 2D wireframe model to the foreground object of one of the views. The rigid 3D motion is estimated for each triangle, and spatial homogeneity …
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VRML 2.0 Authoring Tool Using SGI’s COSMO 3D
- …The paper presents the features of “VRML Author”, a VRML 2.0 authoring tool based on SGI’s Cosmo 3D and Optimizer public software. The tool is used for the montage of a 3D model scene using a number of already existing 3D model scenes. The developed authoring tool supports VRML 2.0 format for 3D mod…
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Deformable Boundary Detection of Stents in Angiographic Images
- …In this paper, a procedure is described for deformable boundary detection of medical tools, called stents, in angiographic images. A stent is a surgical stainless steel coil that is placed in the artery in order to improve blood circulation in regions where a stenosis has appeared. Assuming initiall…
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3-D Model-Based Segmentation of Videoconference Image Sequences
- …This paper describes a three-dimensional (3-D) model-based unsupervised procedure for the segmentation of multiview image sequences using multiple sources of information. The 3-D model is initialized by accurate adaptation of a twodimensional wireframe model to the foreground object of one of the vi…
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Combined Frequency and Spatial Domain Algorithm for the Removal of Blocking Artifacts
- …A novel combined frequency and spatial domain method is presented in this paper for blockiness reduction for low bit rate compressed images. The method consists of two stages: in the first, better estimates of the reconstructed DCT coefficients are obtained based on their observed probability distri…
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MULTIMODAL FUSION FOR CUED SPEECH LANGUAGE RECOGNITION
- …In this paper, a novel method for Cued Speech language recognition is proposed. A multimodal processing framework is developed for the efficient fusion of the modalities under consideration. The robust feature extraction from the audio, lip shape and gesture modalities is also discussed. Moreover, t…
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A Semantic Web Service Alignment Tool
- …This paper presents a framework for the semantic alignment of Web services within the context of ASK-IT project. This alignment heavily relies on ontologies. The main aim of the presented framework is to enable different service providers to map their Web services against a common ontological framew…
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Three-Dimensional Shape-Structure Comparison Method for Protein Classification, IEEE/ACM transactions on Computational Biology and Bioinformatics
- …Abstract—In this paper, a 3D shape-based approach is presented for the efficient search, retrieval, and classification of protein molecules. The method relies primarily on the geometric 3D structure of the proteins, which is produced from the corresponding PDB files and secondarily on their primary …
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