Search

Your search keyword '"Slavik, Pavel"' showing total 169 results
Start Over Author "Slavik, Pavel"

Refine your results

more »

more »

more »

more »
169 results on '"Slavik, Pavel"'

1. Testing the Usability and Accessibility of Smart TV Applications Using an Automated Model-based Approach

Author

Bures, Miroslav, Macik, Miroslav, Ahmed, Bestoun S., Rechtberger, Vaclav, and Slavik, Pavel

Subjects
Computer Science - Software Engineering
Abstract

As the popularity of Smart Televisions (TVs) and interactive Smart TV applications (apps) has recently grown, the usability of these apps has become an important quality characteristic. Previous studies examined Smart TV apps from a usability perspective. However, these methods are mainly manual, and the potential of automated model-based testing methods for usability testing purposes has not yet been fully explored. In this paper, we propose an approach to test the usability of Smart TV apps based on the automated generation of a Smart TV user interaction model from an existing app by a specialized automated crawler. By means of this model, defined user tasks in the Smart TV app can be evaluated automatically in terms of their feasibility and estimated user effort, which reflects the usability of the analyzed app. This analysis can be applied in the context of regular users and users with various specific needs. The findings from this model-based automated analysis approach can be used to optimize the user interface of a Smart TV app to increase its usability, accessibility, and quality., Comment: 10 pages

Published
2020

2. PTRM: Perceived Terrain Realism Metrics

Author

Rajasekaran, Suren Deepak, Kang, Hao, Benes, Bedrich, Čadík, Martin, Galin, Eric, Guérin, Eric, Peytavie, Adrien, and Slavík, Pavel

Subjects
Computer Science - Graphics
Abstract

Terrains are visually important and commonly used in computer graphics. While many algorithms for their generation exist, it is difficult to assess the realism of a generated terrain. This paper presents a first step in the direction of perceptual evaluation of terrain models. We gathered and categorized several classes of real terrains and we generated synthetic terrains by using methods from computer graphics. We then conducted two large studies ranking the terrains perceptually and showing that the synthetic terrains are perceived as lacking realism as compared to the real ones. Then we provide insight into the features that affect the perceived realism by a quantitative evaluation based on localized geomorphology-based landform features (geomorphons) that categorize terrain structures such as valleys, ridges, hollows, etc. We show that the presence or absence of certain features have a significant perceptual effect. We then introduce Perceived Terrain Realism Metrics (PTRM); a perceptual metrics that estimates perceived realism of a terrain represented as a digital elevation map by relating distribution of terrain features with their perceived realism. We validated PTRM on real and synthetic data and compared it to the perceptual studies. To confirm the importance of the presence of these features, we used a generative deep neural network to transfer them between real terrains and synthetic ones and we performed another perceptual experiment that further confirmed their importance for perceived realism., Comment: 13 pages, 12 figures

Published
2019

6. Platform-Aware Rich-Form Generation for Adaptive Systems through Code-Inspection

Author

Macik, Miroslav, Cerny, Tomas, Basek, Jindrich, Slavik, Pavel, Hutchison, David, editor, Kanade, Takeo, editor, Kittler, Josef, editor, Kleinberg, Jon M., editor, Mattern, Friedemann, editor, Mitchell, John C., editor, Naor, Moni, editor, Nierstrasz, Oscar, editor, Pandu Rangan, C., editor, Steffen, Bernhard, editor, Sudan, Madhu, editor, Terzopoulos, Demetri, editor, Tygar, Doug, editor, Vardi, Moshe Y., editor, Weikum, Gerhard, editor, Holzinger, Andreas, editor, Ziefle, Martina, editor, Hitz, Martin, editor, and Debevc, Matjaž, editor

Published
2013
Full Text
View/download PDF

7. Implementation of Adaptive Multimedia Application Concept in iDTV Environment

Author

Hanzl, Filip, Mikovec, Zdenek, Slavik, Pavel, Akan, Ozgur, Series editor, Bellavista, Paolo, Series editor, Cao, Jiannong, Series editor, Dressler, Falko, Series editor, Ferrari, Domenico, Series editor, Gerla, Mario, Series editor, Kobayashi, Hisashi, Series editor, Palazzo, Sergio, Series editor, Sahni, Sartaj, Series editor, Shen, Xuemin (Sherman), Series editor, Stan, Mircea, Series editor, Xiaohua, Jia, Series editor, Zomaya, Albert, Series editor, Coulson, Geoffrey, Series editor, Alvarez, Federico, editor, and Costa, Cristina, editor

Published
2012
Full Text
View/download PDF

8. Using Annotated Task Models for Accessibility Evaluation

Author

Malý, Ivo, Bittner, Jiří, Slavík, Pavel, Hutchison, David, editor, Kanade, Takeo, editor, Kittler, Josef, editor, Kleinberg, Jon M., editor, Mattern, Friedemann, editor, Mitchell, John C., editor, Naor, Moni, editor, Nierstrasz, Oscar, editor, Pandu Rangan, C., editor, Steffen, Bernhard, editor, Sudan, Madhu, editor, Terzopoulos, Demetri, editor, Tygar, Doug, editor, Vardi, Moshe Y., editor, Weikum, Gerhard, editor, Miesenberger, Klaus, editor, Karshmer, Arthur, editor, Penaz, Petr, editor, and Zagler, Wolfgang, editor

Published
2012
Full Text
View/download PDF

11. UI Generation for Data Visualisation in Heterogenous Environment

Author

Macik, Miroslav, Klima, Martin, Slavik, Pavel, Hutchison, David, Series editor, Kanade, Takeo, Series editor, Kittler, Josef, Series editor, Kleinberg, Jon M., Series editor, Mattern, Friedemann, Series editor, Mitchell, John C., Series editor, Naor, Moni, Series editor, Nierstrasz, Oscar, Series editor, Pandu Rangan, C., Series editor, Steffen, Bernhard, Series editor, Sudan, Madhu, Series editor, Terzopoulos, Demetri, Series editor, Tygar, Doug, Series editor, Vardi, Moshe Y., Series editor, Weikum, Gerhard, Series editor, Bebis, George, editor, Boyle, Richard, editor, Parvin, Bahram, editor, Koracin, Darko, editor, Wang, Song, editor, Kyungnam, Kim, editor, Benes, Bedrich, editor, Moreland, Kenneth, editor, Borst, Christoph, editor, DiVerdi, Stephen, editor, Yi-Jen, Chiang, editor, and Ming, Jiang, editor

Published
2011
Full Text
View/download PDF

12. Vector Keyboard for Android Platform-Based Devices

Author

Klima, Martin, Slavik, Pavel, Hutchison, David, Series editor, Kanade, Takeo, Series editor, Kittler, Josef, Series editor, Kleinberg, Jon M., Series editor, Mattern, Friedemann, Series editor, Mitchell, John C., Series editor, Naor, Moni, Series editor, Nierstrasz, Oscar, Series editor, Pandu Rangan, C., Series editor, Steffen, Bernhard, Series editor, Sudan, Madhu, Series editor, Terzopoulos, Demetri, Series editor, Tygar, Doug, Series editor, Vardi, Moshe Y., Series editor, Weikum, Gerhard, Series editor, Smith, Michael J., editor, and Salvendy, Gavriel, editor

Published
2011
Full Text
View/download PDF

13. Pregnancy Test for the Vision-Impaired Users

Author

Hyková, Tereza, Sporka, Adam J., Vystrčil, Jan, Klíma, Martin, Slavík, Pavel, Hutchison, David, Series editor, Kanade, Takeo, Series editor, Kittler, Josef, Series editor, Kleinberg, Jon M., Series editor, Mattern, Friedemann, Series editor, Mitchell, John C., Series editor, Naor, Moni, Series editor, Nierstrasz, Oscar, Series editor, Pandu Rangan, C., Series editor, Steffen, Bernhard, Series editor, Sudan, Madhu, Series editor, Terzopoulos, Demetri, Series editor, Tygar, Doug, Series editor, Vardi, Moshe Y., Series editor, Weikum, Gerhard, Series editor, and Stephanidis, Constantine, editor

Published
2011
Full Text
View/download PDF

14. Talking Head as Life Blog

Author

Kunc, Ladislav, Kleindienst, Jan, Slavík, Pavel, Carbonell, Jaime G., editor, Siekmann, Jörg, editor, Sojka, Petr, editor, Horák, Aleš, editor, Kopeček, Ivan, editor, and Pala, Karel, editor

Published
2008
Full Text
View/download PDF

15. Towards Visual Analysis of Usability Test Logs Using Task Models

Author

Malý, Ivo, Slavík, Pavel, Hutchison, David, editor, Kanade, Takeo, editor, Kittler, Josef, editor, Kleinberg, Jon M., editor, Mattern, Friedemann, editor, Mitchell, John C., editor, Naor, Moni, editor, Nierstrasz, Oscar, editor, Pandu Rangan, C., editor, Steffen, Bernhard, editor, Sudan, Madhu, editor, Terzopoulos, Demetri, editor, Tygar, Doug, editor, Vardi, Moshe Y., editor, Weikum, Gerhard, editor, Coninx, Karin, editor, Luyten, Kris, editor, and Schneider, Kevin A., editor

Published
2007
Full Text
View/download PDF

16. A Comparative Longitudinal Study of Non-verbal Mouse Pointer

Author

Mahmud, Murni, Sporka, Adam J., Kurniawan, Sri H., Slavík, Pavel, Hutchison, David, Series editor, Kanade, Takeo, Series editor, Kittler, Josef, Series editor, Kleinberg, Jon M., Series editor, Mattern, Friedemann, Series editor, Mitchell, John C., Series editor, Naor, Moni, Series editor, Nierstrasz, Oscar, Series editor, Pandu Rangan, C., Series editor, Steffen, Bernhard, Series editor, Sudan, Madhu, Series editor, Terzopoulos, Demetri, Series editor, Tygar, Doug, Series editor, Vardi, Moshe Y., Series editor, Weikum, Gerhard, Series editor, Baranauskas, Cécilia, editor, Palanque, Philippe, editor, Abascal, Julio, editor, and Barbosa, Simone Diniz Junqueira, editor

Published
2007
Full Text
View/download PDF

17. Jabber Based Protocol for Collaborative Mobile Work

Author

Klima, Martin, Slavik, Pavel, Hutchison, David, editor, Kanade, Takeo, editor, Kittler, Josef, editor, Kleinberg, Jon M., editor, Mattern, Friedemann, editor, Mitchell, John C., editor, Naor, Moni, editor, Nierstrasz, Oscar, editor, Pandu Rangan, C., editor, Steffen, Bernhard, editor, Sudan, Madhu, editor, Terzopoulos, Demetri, editor, Tygar, Dough, editor, Vardi, Moshe Y., editor, Weikum, Gerhard, editor, and Luo, Yuhua, editor

Published
2006
Full Text
View/download PDF

18. Explicative Document Reading Controlled by Non-speech Audio Gestures

Author

Sporka, Adam J., Žikovský, Pavel, Slavík, Pavel, Hutchison, David, editor, Kanade, Takeo, editor, Kittler, Josef, editor, Kleinberg, Jon M., editor, Mattern, Friedemann, editor, Mitchell, John C., editor, Naor, Moni, editor, Nierstrasz, Oscar, editor, Pandu Rangan, C., editor, Steffen, Bernhard, editor, Sudan, Madhu, editor, Terzopoulos, Demetri, editor, Tygar, Dough, editor, Vardi, Moshe Y., editor, Weikum, Gerhard, editor, Carbonell, Jaime G., editor, Siekmann, Jörg, editor, Sojka, Petr, editor, Kopeček, Ivan, editor, and Pala, Karel, editor

Published
2006
Full Text
View/download PDF

19. Speech Based User Interface for Users with Special Needs

Author

Slavík, Pavel, Němec, Vladislav, Sporka, Adam J., Hutchison, David, editor, Kanade, Takeo, editor, Kittler, Josef, editor, Kleinberg, Jon M., editor, Mattern, Friedemann, editor, Mitchell, John C., editor, Naor, Moni, editor, Nierstrasz, Oscar, editor, Pandu Rangan, C., editor, Steffen, Bernhard, editor, Sudan, Madhu, editor, Terzopoulos, Demetri, editor, Tygar, Dough, editor, Vardi, Moshe Y., editor, Weikum, Gerhard, editor, Carbonell, Jaime G., editor, Siekmann, Jörg, editor, Matoušek, Václav, editor, Mautner, Pavel, editor, and Pavelka, Tomáš, editor

Published
2005
Full Text
View/download PDF

20. Processing of Logical Expressions for Visually Impaired Users

Author

Žikovský, Pavel, Pešina, Tom, Slavík, Pavel, Hutchison, David, editor, Kanade, Takeo, editor, Kittler, Josef, editor, Kleinberg, Jon M., editor, Mattern, Friedemann, editor, Mitchell, John C., editor, Naor, Moni, editor, Nierstrasz, Oscar, editor, Pandu Rangan, C., editor, Steffen, Bernhard, editor, Sudan, Madhu, editor, Terzopoulos, Demetri, editor, Tygar, Dough, editor, Vardi, Moshe Y., editor, Weikum, Gerhard, editor, Carbonell, Jaime G., editor, Siekmann, Jörg, editor, Sojka, Petr, editor, Kopeček, Ivan, editor, and Pala, Karel, editor

Published
2004
Full Text
View/download PDF

21. Whistling User Interface (U3I)

Author

Sporka, Adam J., Kurniawan, Sri Hastuti, Slavik, Pavel, Hutchison, David, editor, Kanade, Takeo, editor, Kittler, Josef, editor, Kleinberg, Jon M., editor, Mattern, Friedemann, editor, Mitchell, John C., editor, Naor, Moni, editor, Nierstrasz, Oscar, editor, Pandu Rangan, C., editor, Steffen, Bernhard, editor, Sudan, Madhu, editor, Terzopoulos, Demetri, editor, Tygar, Dough, editor, Vardi, Moshe Y., editor, Weikum, Gerhard, editor, Stary, Christian, editor, and Stephanidis, Constantine, editor

Published
2004
Full Text
View/download PDF

22. Haptic and Spatial Audio Based Navigation of Visually Impaired Users in Virtual Environment Using Low Cost Devices

Author

Nemec, Vladislav, Sporka, Adam J., Slavik, Pavel, Hutchison, David, editor, Kanade, Takeo, editor, Kittler, Josef, editor, Kleinberg, Jon M., editor, Mattern, Friedemann, editor, Mitchell, John C., editor, Naor, Moni, editor, Nierstrasz, Oscar, editor, Pandu Rangan, C., editor, Steffen, Bernhard, editor, Sudan, Madhu, editor, Terzopoulos, Demetri, editor, Tygar, Dough, editor, Vardi, Moshe Y., editor, Weikum, Gerhard, editor, Stary, Christian, editor, and Stephanidis, Constantine, editor

Published
2004
Full Text
View/download PDF

23. Dynamic Analysis of Agents’ Behaviour – Combining ALife, Visualization and AI

Author

Nahodil, Pavel, Slavík, Pavel, Rehor, David, Kadlecek, David, Hutchison, David, editor, Kanade, Takeo, editor, Kittler, Josef, editor, Kleinberg, Jon M., editor, Mattern, Friedemann, editor, Mitchell, John C., editor, Naor, Moni, editor, Nierstrasz, Oscar, editor, Pandu Rangan, C., editor, Steffen, Bernhard, editor, Sudan, Madhu, editor, Terzopoulos, Demetri, editor, Tygar, Dough, editor, Vardi, Moshe Y., editor, Weikum, Gerhard, editor, Carbonell, Jaime G., editor, Siekmann, Jörg, editor, Omicini, Andrea, editor, Petta, Paolo, editor, and Pitt, Jeremy, editor

Published
2004
Full Text
View/download PDF

26. Structural and Semantic Dialogue Filters

Author

Mikovec, Zdeněk, Klíma, Martin, Slavík, Pavel, Goos, G., editor, Hartmanis, J., editor, van Leeuwen, J., editor, Carbonell, Jaime G., editor, Siekmann, Jörg, editor, Matousek, Václav, editor, Mautner, Pavel, editor, Ocelíková, Jana, editor, and Sojka, Petr, editor

Published
1999
Full Text
View/download PDF

31. CAD systems: trends and developments

Author

Slavík, Pavel, Goos, Gerhard, editor, Hartmanis, Juris, editor, van Leeuwen, Jan, editor, Adelsberger, Heimo H., editor, Lažanský, Jiří, editor, and Mařík, Vladimír, editor

Published
1995
Full Text
View/download PDF

36. Study on Sensitivity to ECA Behavior Parameters

Author

Kunc, Ladislav, Slavík, Pavel, Hutchison, David, Series editor, Kanade, Takeo, Series editor, Kittler, Josef, Series editor, Kleinberg, Jon M., Series editor, Mattern, Friedemann, Series editor, Mitchell, John C., Series editor, Naor, Moni, Series editor, Nierstrasz, Oscar, Series editor, Pandu Rangan, C., Series editor, Steffen, Bernhard, Series editor, Sudan, Madhu, Series editor, Terzopoulos, Demetri, Series editor, Tygar, Doug, Series editor, Vardi, Moshe Y., Series editor, Weikum, Gerhard, Series editor, Goebel, Randy, editor, Siekmann, Jörg, editor, Wahlster, Wolfgang, editor, Ruttkay, Zsófia, editor, Kipp, Michael, editor, Nijholt, Anton, editor, and Vilhjálmsson, Hannes Högni, editor

Published
2009
Full Text
View/download PDF

44. Distinctive Approaches to Computer Graphics Education

Author

Santos, Beatriz Sousa, Dischler, Jean Michel, Adzhiev, Valery, Anderson, Eike Falk, Ferko, Andrej, Fryazinov, Oleg, Ilčík, Martin, Ilčíková, Ivana, Slavik, Pavel, Sundstedt, Veronica, Svobodova, Liba, Wimmer, Michael, Zara, Jiri, Santos, Beatriz Sousa, Dischler, Jean Michel, Adzhiev, Valery, Anderson, Eike Falk, Ferko, Andrej, Fryazinov, Oleg, Ilčík, Martin, Ilčíková, Ivana, Slavik, Pavel, Sundstedt, Veronica, Svobodova, Liba, Wimmer, Michael, and Zara, Jiri

Abstract

This paper presents the latest advances and research in Computer Graphics education in a nutshell. It is concerned with topics that were presented at the Education Track of the Eurographics Conference held in Lisbon in 2016. We describe works corresponding to approaches to Computer Graphics education that are unconventional in some way and attempt to tackle unsolved problems and challenges regarding the role of arts in computer graphics education, the role of research-oriented activities in undergraduate education and the interaction among different areas of Computer Graphics, as well as their application to courses or extra-curricular activities. We present related works addressing these topics and report experiences, successes and issues in implementing the approaches. © 2017 The Eurographics Association and John Wiley & Sons Ltd.

Published
2018
Full Text
View/download PDF

48. Ontology driven voice-based interaction in mobile environment

Author

Kopsa, Jiri, Mikovec, Zdenek, and Slavik, Pavel

Subjects
mobile environment, Ontology, voice user interfaces
Abstract

The paper deals with a new approach for spoken dialogue handling in mobile environment. The goal of our project is to allow the user to retrieve information from a knowledge base defined by ontology, using speech in a mobile environment. This environment has specific features that should be taken into account when the speech recognition and synthesis is performed. First of all, it limits the size of the language that can be understood by speech recognizers. On the other hand, it allows us to use information about user context. Our approach is to use the knowledge and user context to allow the user to speak freely to the system. Our research has been performed in the framework of an EU funded project MUMMY. This project is targeted to the use of mobile devices on building sites. This fact determines the approach to the solution of the problem. The main issue is user context in which the interaction takes place. As the application (construction site) is rather specific it is possible to use the knowledge related to this particular application during the speech recognition process. Up-to now the voice based user interfaces are based on various techniques that usually contain various constraints which limit the communication context to strictly predefined application domain. The main idea behind our solution is usage of ontology that represents the knowledge related to our particular application in specific user context. The knowledge acquired from ontology allows the user to communicate in mobile environment as the user input analysis is heavily simplified. The crucial step in our solution was the design of proper system architecture that allows the system to access the knowledge in ontology and use it to enhance the recognition process. The model of environment in which the recognition process is performed has several parts: - Domain ontology (construction sites in general) - instance of the domain ontology (specific construction site) - conversation history + specific user context (location, type of mobile device etc.). The key part of the model is the access mechanism that allows to extract particular knowledge in specific context. This access mechanism is controlled by means of dialogue automaton that controls the course of dialogue. The acquired knowledge is used in the speech recognizer for generation of a specific grammar that defines the possible speech inputs in a particular moment of the dialogue - in the next state another access into ontology in different context is done resulting in generation of a grammar that defines new possible inputs. The same access mechanism is also used to produce a response to user's input in natural language. There exists a pilot implementation of the voice based user interface system, which has been tested in various situations and the results obtained are very encouraging.

Published
2005
Full Text
View/download PDF

49. Object based manipulation with 3D scenes in mobile environment

Author

Slavik, Pavel, Cmolik, Ladislav, and Mikovec, Zdenek

Subjects
Mobile computing, rendering, 3D
Abstract

The increasing power and display resolution of mobile devices allow the user nowadays to work with 3D information in mobile environment. The use of this new technology brings some new problems that need an urgent solution. One of them has its roots in the fact that common users are not trained to work in 3D graphical environment in general. The main obstacle for a common user is the fact that 3D environment offers too much freedom for object manipulation in comparison with situation in 2D environment. There are various solutions to this problem but usually they do not handle efficiently the problem of navigation in 3D environment in context of handling appropriate information density on a small screen on a mobile device. Our approach is based on transformation of a 3D scene in 2D representation in order to decrease freedom of movement during navigation in the scene. The navigation (and other types of interaction) is performed in 2D environment - the information acquired during interaction is transformed back into 3D form (into 3D object space). In such a way the user can manipulate with single objects in various modes (e.g. the user can change focus on various objects what might e.g. result in their temporary elimination from the scene). The work in 2D in mobile environment requires some special features that are not considered in standard environment. Especially critical is zooming. Zooming in raster form could change the picture on a small screen into completely unusable representation (pixels will be transformed in tiles that will be difficult to perceive). Solution to this (and to other related problems) is the use of SVG format to handle 2D scene representation. The main advantage of SVG is that it is object oriented and supports zooming, interaction with objects, scene annotation and manipulations with objects. The process of scene transformation and manipulation with objects is distributed between the server and mobile device. The transformation is performed on the server side. The resulting 2D representation of the scene is sent to mobile device where the visualization is performed. The user can interact with the picture on the mobile device with interaction techniques available on mobile devices. As the SVG is XML based format, the Cascading Style Sheets can be used to style all graphical elements. Therefore each object can be visualized in different mode (solid, transparent, semitransparent). These modes could be changed interactively. This feature (interactive change of modes) substitute in certain sense some functions available for avatars during their walkthroughs when performed in standard 3D environment (e.g. "having look behind corner" etc.). The user interaction in 2D environment is rather limited in comparison with standard 3D interaction but it is less demanding for the user. On the other hand it brings better picture quality due to SVG features applied e.g. during the process of zooming.

Published
2005
Full Text
View/download PDF

50. 05181 Preface ��� Mobile Computing and Ambient Intelligence: The Challenge of Multimedia

Author

Slavik, Pavel

Subjects
Mobile computing, multimedia, ambient intelligence
Abstract

Mobile computing gains in last years an increasing importance. It penetrates into new areas of everyday life. With increasing computing power that is available in recently developed mobile devices the mobile computing approach is used in new areas (where its use would not be possible few years ago). Due to specific properties of mobile devices the traditional approaches to the traditional schemes for communication between users and the devices are not applicable. Another important issue that is linked with new applications in the field of mobile computing is derived from the fact that portable information appliances are pervading the everyday life and ambient intelligence is starting to surround us. Adapting multimedia applications and services to these delivery environments and enabling ensembles of multimedia appliances to organize themselves spontaneously and ad hoc will be major technical issues that have to be solved in near future. These problems were discussed during the Dagstuhl Seminar 05181 that took place in Schloss Dagstuhl from 01.05.05 to 04.05.05.

Published
2005
Full Text
View/download PDF

Catalog

Books, media, physical & digital resources
See catalog results