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10th International conference on computer graphics theory and applications, GRAPP 2015

作者： Transue, Shane Choi, Min-Hyung Department of Computer Science and Engineering University of Colorado Denver Denver United States

ISBN: (纸本)9789897580871

In this paper we present an adaptive and intuitive methodology for controlling the localized deformations of physically simulated objects using an intuitive pattern-based control interface. To maximize the interactive component presented in this approach we consolidate existing feedback mechanisms in deformable-body control techniques to provide intuitive editing metaphors for stretching, bending, twisting, and compressing simulated objects. the resulting movements created by these control metaphors are validated using imposed behavior evaluation and the effectiveness of this approach is demonstrated through interactively generated compound movements that introduce complex local deformations of objects in existing physical animations. Copyright © 2015 SCITEPRESS - Science and Technology Publications. All rights reserved.

关键词： Deformation

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Recent developments in skin deformation for character animation 10

Recent developments in skin deformation for character animat...

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10th International conference on computer graphics theory and applications, GRAPP 2015

作者： Bian, Shaojun You, Lihua Zhang, Jian J. National Centre for Computer Animation Bournemouth University Bournemouth United Kingdom

ISBN: (纸本)9789897580871

Achieving realistic skin deformation efficiently is a very important task for character animation. With the development of skin deformation, the efficiency and effectiveness of character modelling and animation have been obviously enhanced. In this paper, we survey the recent literature on skin deformation according to three types of approaches: purely geometric, physics-based, and data driven. Especially we focus on the work since 2009. We review the problems they primarily tackles, the methodologies they applies, and the advantages and disadvantages they have. At last, we discuss directions for future research. Copyright © 2015 SCITEPRESS - Science and Technology Publications. All rights reserved.

关键词： Deformation

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Context-sensitive filtering of terrain data based on multi scale analysis 10

Context-sensitive filtering of terrain data based on multi s...

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10th International conference on computer graphics theory and applications, GRAPP 2015

作者： Goebbels, Steffen Pohle-Fröhlich, Regina Faculty of Electrical Engineering and Computer Science Niederrhein University of Applied Sciences Reinarzstr. 49 Krefeld47805 Germany

ISBN: (纸本)9789897580871

this paper addresses triangle count reduction for regular terrain triangulations. Supported by additional information available from cadastre data, non-linear low pass filtering based on wavelet coefficients is applied. the aim is to generate a simplified view of a city model's terrain so that still landmarks can be easily recognized. Height data, that are not critical for visual impressions, are compressed with lower resolution than height data belonging to landmarks. Results are presented for the German city of Krefeld. Copyright © 2015 SCITEPRESS - Science and Technology Publications. All rights reserved.

关键词： Triangulation

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An interactive visualization system for huge architectural laser scans 10

An interactive visualization system for huge architectural l...

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10th International conference on computer graphics theory and applications, GRAPP 2015

作者： Kanzok, thomas Linsen, Lars Rosenthal, Paul Department of Computer Science Technische Universität Chemnitz Chemnitz Germany Jacobs University Bremen Germany

ISBN: (纸本)9789897580871

this paper describes a system for rendering large (billions of points) point clouds using a strict level-ofdetail criterion for managing the data out of core. the system is comprised of an in-core data structure for managing the coarse hierarchy, an out-of-core structure for managing the actual data and a multithreaded rendering framework that handles the structure and is responsible for data caching, LOD-calculations, culling, and rendering. We demonstrate the performance of our approach with two real-world datasets (a 1.8 b points outdoor scene and a 360m points indoor scene). Copyright © 2015 SCITEPRESS - Science and Technology Publications. All rights reserved.

关键词： Visualization

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A robust face detection scheme for surveillance applications

A robust face detection scheme for surveillance applications

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10th IASTED International conference on computer graphics and Imaging, CGIM 2008

作者： Kim, Sunghoon Lee, Hoon Park, Soonyoung Choi, Kyoungho Hwang, Jeonghyun Mokpo National Univ. Dept. Of Electronics Eng. Visual Information Processing Lab. Korea Republic of Eyenix Co. Yongtonggu Suwon Korea Republic of

ISBN: (纸本)9780889867192

In this paper, we present a framework to detect multiple faces with different sizes for surveillance applications, which is based on a fast moving object extraction approach followed by a skin color filtering and support vector machines. More specifically, moving objects are extracted first by using image difference between two consecutive frames and a simple object filling algorithm. then, a skin color filtering combined with an eye detection algorithm is applied to locate possible face regions. Lastly, support vector machines are used to detect faces, which is applicable to detect faces with different sizes. Experimental results are provided to show that the proposed framework is applicable for surveillance applications.

关键词： Face recognition

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Science on a sphere: Ways of adding interactivity into the unique projection system 10

Science on a sphere: Ways of adding interactivity into the u...

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10th International conference on computer graphics theory and applications, GRAPP 2015

作者： Varnušková, Jana Kohout, Josef Department of Computer Science and Engineering University of West Bohemia Plzeò Czech Republic New Technologies for Information Society NTIS University of West Bohemia Plzeò Czech Republic

ISBN: (纸本)9789897580871

this paper describes applied research provided in cooperation of the Faculty of Applied Sciences and the Techmania Science Centre. It presents the unique system Science on a Sphere, its features, control mechanisms and limitations. the special visualization system brings a new approach of geographical data presentation. On the other hand it offers just a minimal opportunity of user interaction. Interaction should enable better participation of science centre in the learning process. the paper shows the ways how the existing projection system Science on a Sphere has been extended for the interactive features. Copyright © 2015 SCITEPRESS - Science and Technology Publications. All rights reserved.

关键词： Data visualization

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VA²: A Visual Analytics Approach for // Evaluating Visual Analytics applications

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IEEE TRANSACTIONS ON VISUALIZATION AND computer graphics 2016年第1期22卷 61-70页

作者： Blascheck, Tanja John, Markus Kurzhals, Kuno Koch, Steffen Ertl, thomas Univ Stuttgart Visualizat Res Ctr Stuttgart Germany Univ Stuttgart Inst Visualizat & Interact Syst VIS Stuttgart Germany

Evaluation has become a fundamental part of visualization research and researchers have employed many approaches from the field of human-computer interaction like measures of task performance, thinking aloud protocols, and analysis of interaction logs. Recently, eye tracking has also become popular to analyze visual strategies of users in this context. this has added another modality and more data, which requires special visualization techniques to analyze this data. However, only few approaches exist that aim at an integrated analysis of multiple concurrent evaluation procedures. the variety, complexity, and sheer amount of such coupled multi-source data streams require a visual analytics approach. Our approach provides a highly interactive visualization environment to display and analyze thinking aloud, interaction, and eye movement data in close relation. Automatic pattern finding algorithms allow an efficient exploratory search and support the reasoning process to derive common eye-interaction-thinking patterns between participants. In addition, our tool equips researchers with mechanisms for searching and verifying expected usage patterns. We apply our approach to a user study involving a visual analytics application and we discuss insights gained from this joint analysis. We anticipate our approach to be applicable to other combinations of evaluation techniques and a broad class of visualization applications.

关键词： visual analytics qualitative evaluation thinking aloud interaction logs eye tracking time series data

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Human-Agent Collaborative Decision-Making Framework for Naval Systems 10th

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10th International conference on Virtual, Augmented and Mixed Reality (VAMR) Held as Part of 20th International conference on Human-computer Interaction (HCI International)

作者： Rodas, Maria Olinda Waters, Jeff Putnam, Cheryl Space & Naval Warfare Syst Ctr Pacific San Diego CA 92103 USA

ISBN: (纸本)9783319915845;9783319915838

this work provides an overview of a future human-agent collaborative decision-making framework to be developed for naval systems using an augmented reality platform. We present the basic concept behind the framework, key features of the application, and some details about a future proof of concept prototype that will demonstrate and evaluate the concept against a baseline design.

关键词： Military Virtual reality Mixed reality Augmented reality Decision optimization Provenance Data visualization Design C2 Innovation

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Component-based mobile web application of cross-platform

Component-based mobile web application of cross-platform

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10th IEEE International conference on computer and Information Technology, CIT-2010, 7th IEEE International conference on Embedded Software and Systems, ICESS-2010, 10th IEEE Int. Conf. Scalable Computing and Communications, ScalCom-2010

作者： Pan, Biao Xiao, Kun Luo, Lei Institute of Computer Science and Engineering University of Electronic Science and Technology of China China

ISBN: (纸本)9780769541082

this article describes the status and analyses the challenges of mobile application development, proposed a frame of component-based hierarchical development. Software is divided into Application Layer, JS Engine Layer, Component Layer and OS Layer. Pack the main features of mobile development into single component, including storage management, networking, graphics, file system and system service component. these components can be reused in subsequent development, software that developed based these component can migrate to new platform rapidly and easily. © 2010 IEEE.

关键词： Storage management

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Towards Tantalluc: Interactive Mobile Augmented Reality Application for the Museo de America in Madrid 10

Towards Tantalluc: Interactive Mobile Augmented Reality Appl...

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10th Computing Colombian conference (10CCC)

作者： Perea-Tanaka, Carlos F. Moreno, Isidro Prakash, Edmond C. Navarro-Newball, Andres A. Pontificia Univ Javeriana Cali Colombia Univ Complutense Madrid Spain Bournemouth Univ Poole BH12 5BB Dorset England

ISBN: (纸本)9781467394642

Augmented reality focuses on providing the user with information about objects in the real world in a virtual context. the development of mobile applications using augmented reality and computer graphics technologies has been limited to restricted and constrained interactions. However, advances in video game engines and augmented reality development kits suggest the possibility, need and desire to explore better interactions in mobile augmented reality environments. this project strives to identify the strengths and unify the basic concepts of technologies including, augmented reality, video games, human-computer interaction, hypermedia narrative and mobile technologies as its foundation and at the same time identifies and overcomes the constraints and limitations of these technologies. An interactive mobile application has been developed for the Museo de America in Madrid, Spain. the mobile application is capable of recognising three images of Chimu objects exhibited at the Museo de America so that the behaviour of each of these objects can be simulated in an interactive manner. To achieve this, we used advance computer graphics and game artificial intelligence in order to create a serious game environment about the Chimu culture which encourages museum exploration through the narrative without the need of geolocation, favours interaction and ends up inviting to participate in an on-site immersive experience.

关键词： artificial intelligence augmented reality computer games computer graphics human computer interaction hypermedia mobile computing Madrid Museo de Ame?rica human-computer interaction hypermedia narrative technologies interactive mobile augmented reality application tantalluc video game engines virtual context Augmented reality Engines Games Image recognition Mobile handsets three-dimensional displays

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