International Federation for Information Processing The IFIP series publishes state-of-the-art results in the sciences and technologies of information and communication. The scope of the series includes: foundations of computer science; software theory and practice; education; computer applications in technology; communication systems; systems modeling and optimization; information systems; computers and society; computer systems technology; security and protection in information processing systems; artificial intelligence; and human-computer interaction. Proceedings and post-proceedings of...

Implicit objects have gained increasing importance in geometric modeling, visualisation, animation, and computer graphics, because their geometric properties provide a good alternative to traditional parametric objects. This book presents the mathematics, computational methods and data structures, as well as the algorithms needed to render implicit curves and surfaces, and shows how implicit objects can easily describe smooth, intricate, and articulatable shapes, and hence why they are being increasingly used in graphical applications.

Divided into two parts, the first...

The four-volume set LNCS 6946-6949 constitutes the refereed proceedings of the 13th IFIP TC13 International Conference on Human-Computer Interaction, INTERACT 2011, held in Lisbon, Portugal, in September 2011. The 46 papers included in the third volume are organized in topical sections on novel user interfaces and interaction techniques, paper 2.0, recommender systems, social media and privacy, social networks, sound and smell, touch interfaces, tabletops, ubiquitous and context-aware computing, UI modeling, and usability.

The four-volume set LNCS 6946-6949 constitutes the refereed proceedings of the 13th IFIP TC13 International Conference on Human-Computer Interaction, INTERACT 2011, held in Lisbon, Portugal, in September 2011. The fourth volume includes 27 regular papers organized in topical sections on usable privacy and security, user experience, user modelling, visualization, and Web interaction, 5 demo papers, 17 doctoral consortium papers, 4 industrial papers, 54 interactive posters, 5 organization overviews, 2 panels, 3 contributions on special interest groups, 11 tutorials, and 16 workshop papers.

The four-volume set LNCS 6946-6949 constitutes the refereed proceedings of the 13th IFIP TC13 International Conference on Human-Computer Interaction, INTERACT 2011, held in Lisbon, Portugal, in September 2011. The 49 papers included in the second volume are organized in topical sections on health, human factors, interacting in public spaces, interacting with displays, interaction design for developing regions, interface design, international and culural aspect of HCI, interruptions and attention, mobile interfaces, multi-modal interfaces, multi-user interaction/cooperation, and navigation and...

The four-volume set LNCS 6946-6949 constitutes the refereed proceedings of the 13th IFIP TC13 International Conference on Human-Computer Interaction, INTERACT 2011, held in Lisbon, Portugal, in September 2011.The 47 papers included in the first volume are organized in topical sections on accessibility, affective HCI, computer-mediated communication, computer-supported cooperative work, evaluation, finding and retrieving, fun/aesthetic design, gestures, and HCI in the classroom.

This book explores the technological advances and social interactions between interactive spaces, surfaces and devices, aiming to provide new insights into emerging social protocols that arise from the experimentation and long-term usage of interactive surfaces.

This edited volume brings together researchers from around the world who investigate interactive surfaces and interaction techniques within large displays, wearable devices, software development, security and emergency management. Providing both theory and practical case studies, the authors look at current developments and...