WSCG 2014: Communication Papers Proceedings Domovská stránka kolekce Zobrazit statistiky
Wu, Fu Che
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Dellinger, Andrew
GPU-based discrepancy check for 3D fabrication A GPU-based visualization approach is presented to show the discrepancies between the 3D model and the fabrication of that model. To show the differences, a 3D scanner is constructed to scan the fabrication for comparison with the 3D model. To compare the detailed diffe... |
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Matveev, Yuri
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Kukharev, Georgy
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Shchegoleva, Nadezhda
A simple method for generating facial barcodes In this paper we propose a simple method for generating standard type linear barcodes from facial images. The method uses the difference in gradients of image brightness. It involves averaging the gradients into a limited number of intervals, quantization of the results into... |
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Yang, Feng
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Fu, Kuang
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Zhou, Ai
Group analysis based on multilevel Bayesian for FMRI data This paper suggests one method to process fMRI time series based on Bayesian inference for group analysis. The method is based on Bayesian inference to divide group into multilevel by session, subject and group levels. It compares covariance to select prior to reinforce ... |
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Lawlor, Orion Sky
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Genetti, Jon D.
Exploiting spatial redundancy with adaptive pyramidal rendering Just as image data compression is designed to save space while preserving the essence of an image, we present an adaptive pyramidal rendering scheme designed to save rendering time while maintaining acceptable image quality. Our coarse-to-fine scheme predicts when and where it... |
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Barbato, Davide
A methodological approach to BIM design More and more often the clients and the decision makers, require that the designers provide charts with realistic representations of the buildings from the earliest stages of design. Some of the requirements demanded to the specialists involved in the construction industry are... |
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SukTing, Pui
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Minoi, Jacey-Lynn
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Lim, Terrin
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Oliveira, João Fradinho
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Gillies, Duncan Fyfe
Feature extraction and localisation using scale-invariant feature transform on 2.5D image The standard starting point for the extraction of information from human face image data is the detection of key anatomical landmarks, which is a vital initial stage for several applications, such as face recognition, facial analysis and synthesis. Locating facial landmarks in... |
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Leach, Craig
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Marais, Patrick
A GPU-based level of detail system for the real-time simulation and rendering of large-scale granular terrain We describe a system that is able to efficiently render large-scale particle-based granular terrains in real-time. This is achieved by integrating a particle-based granular terrain simulation with a heightfield-based terrain system, effectively creating a level of detail system. By quickly... |
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Trouvain, Guillaume
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Gagnol, Vincent
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Duc, Emmanuel
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Sancho, Jean-Francois
Mass-spring parameters definition in 2D for simulation In computer graphics and in industrial context, Mass-Spring model is used to obtain fast and visual results in physical simulations. A disadvantage of the method is to obtain accurate result on account of the difficulty to define parameters of a Mass-Spring Model. Different&... |
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Krolla, Bernd
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Gava, Christiano Couto
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Pagani, Alain
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Stricker, Didier
Consistent pose uncertainty estimation for spherical cameras In this work, we discuss and evaluate the reliability of first order uncertainty propagation results in context of spherical Structure from Motion, concluding that they are not valid without restrictions, but depend on the choice of the objective function. We furthermore show... |
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Nanni, Loris
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Costa, Yandre
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Brahnam, Sheryl
Set of texture descriptors for music genre classification This paper presents a comparison among different texture descriptors and ensembles of descriptors for music genre classification. The features are extracted from the spectrogram calculated starting from the audio signal. The best results are obtained by extracting features from subwindows&... |
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Veľas, Martin
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Španěl, Michal
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Materna, Zdeněk
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Herout, Adam
Calibration of RGB camera with velodyne LiDAR Calibration of the LiDAR sensor with RGB camera finds its usage in many application fields from enhancing image classification to the environment perception and mapping. This paper presents a pipeline for mutual pose and orientation estimation of the mentioned sensors using a... |
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Hutter, Marco
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Knuth, Martin
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Kuijper, Arjan
Mesh partitioning for parallel garment simulation We present a method for partitioning meshes that allows a simple and efficient parallel implementation of different simulation methods. It is based on a generalization of the concept of independent sets from graph theory to sets of simulation elements. The general description... |
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Masmoudi, Imen
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Wali, Ali
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Alimi, Adel M.
Parking spaces modelling for inter spaces occlusion handling Intelligent systems for vacant parking spaces detection present an important solution to facilitate finding an available parking place for the drivers. Many real world challenges can face these vision based systems like weather conditions and luminance variation. In this paper, we... |
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Ionescu, Radu Tudor
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Popescu, Andreea Lavinia
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Popescu, Marius
Texture classification with the PQ kernel Computer vision researchers have developed various learning methods based on the bag of words model for image related tasks, including image categorization, image retrieval and texture classification. In this model, images are represented as histograms of visual words (or textons) fro... |
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Sablina, Victoria A.
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Novikov, Anatoly I.
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Nikiforov, Michael B.
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Loginov, Alexander A.
Navigation parameters correction technique using multiple view geometry methods The problem of determining precisely the navigation parameters of an aircraft arise when constructing a multispectral computer vision system. In particular, these parameters are used to solve the image superimposition task. It is necessary to superimpose the aerial photograph registered... |
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Shahabi Lotfabadi, Maryam
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Fairuz Shiratuddin, Mohd
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Wai Wong, Kok
Evaluation of fuzzy rough set feature selection for content based image retrieval system with noisy images In this paper Fuzzy Rough Set is used for feature selection in the Content Based Image Retrieval system. Noisy query images are fed to this Content Based Image Retrieval system and the results are compared with four other feature selection methods. The four other f... |
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Vergeest, Joris
Traffic flow simulations based on microscopic models Microscopic car-following models are widely used to generate traffic flow simulations. In some cases visualization on macroscopic scales (both spatial and temporal) are required to provide relevant feedback to researchers. Recent studies have indicated that the life time of highway tr... |
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Shekow, Marius
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Oppermann, Leif
On maximum geometric finger-tip recognition distance using depth sensors Depth sensor data is commonly used as the basis for Natural User Interfaces (NUI). The recent availability of different camera systems at affordable prices has caused a significant uptake in the research community, e.g. for building hand-pose or gesture-based controls in various&... |
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Zeller, Niclas
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Quint, Franz
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Guan, Ling
Kinect based 3D scene reconstruction This paper presents a novel system for 3D scene reconstruction and obstacle detection for visually impaired people, which is based on Microsoft Kinect. From the depth image of Kinect a 3D point cloud is calculated. By using both, the depth image and the point cloud... |
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Damon, Shing-Min Liu
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Te-Li, Chang
Interactive guidance and navigation for facilitating image-based 3D modeling Here we present an interactive guidance and navigation system that assists user in acquiring pictures for image based 3D modeling. To reconstruct an object’s 3D model, user follows our instruction to take a set of images for an object in different angles, we calculate... |
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