Publication

Motion Level-of-Detail: A Simplification Method on Crowd Scene

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Construction of animation models out of captured data

Daniel Thalmann

This article describes a method of constructing parametric models out of captured motion and skeleton data. Casting the problem as scattered data interpolation, our work is based on a multi-step approximation for the interpolation function with motion data ...

IEEE2002

Behavioural animation of virtual humans: what kind of laws and rules ?

Daniel Thalmann, Jean-Sébastien Monzani

Interactive systems, games, VR and multimedia systems require more and more flexible Virtual Humans with individualities. Behavioral animation seems to be the best way to develop this kind of applications, but there is still a major problem to select the r ...

IEEE Comput. Soc2002

Avatar Markup Language

Daniel Thalmann, Anthony Guye-Vuillème

Synchronization of speech, facial expressions and body gestures is one of the most critical problems in realistic avatar animation in virtual environments. In this paper, we address this problem by proposing a new high-level animation language to describe ...

ACM2002

Specifying MPEG-4 body behaviors

Daniel Thalmann, Anthony Guye-Vuillème

The MPEG-4 standard specifies a set of low-level animation parameters for body animation, but does not provide any high-level functionality for the control of avatars or embodied agents. In this paper we discuss the required features for a script format al ...

IEEE Comput. Soc2002

Using skeleton-based tracking to increase the reliability of optical motion capture

Daniel Thalmann, Pascal Fua, Ronan Boulic, Lorna Herda, Ralf Plänkers

Optical motion capture provides an impressive ability to replicate gestures. However, even with a highly professional system there are many instances where crucial markers are occluded or when the algorithm confuses the trajectory of one marker with that o ...

Elsevier2001

KAIST Interactive Bicycle Simulator

Junghyun Ahn

This paper presents key technologies and system integration issues of the KAIST interactive bicycle simulator. The rider on the bicycle feels the motion and has the visual experience as if he/she is riding in the campus of the Korea Advanced Institute of S ...

IEEE2001

Human shoulder modeling including scapulo-thoracic constraint and joint sinus cones

Daniel Thalmann

In virtual human modeling, the shoulder is usually composed of clavicular, scapular and arm segments related by rotational joints. Although the model is improved, the realistic animation of the shoulder is hardly achieved. This is due to the fact that it i ...

Elsevier2000

Real-time animation and motion capture in Web Human Director (WHD)

Daniel Thalmann

Motion capture systems usually work in conjunction with complex 3D applications, such as 3D Studio Max by Kinetix or Maya by Alias/Wavefront. Once models have been created in these applications, motion capture systems provide the necessary data input to an ...

ACM2000

Generic 3D ball animation model for networked interactive VR environments

Daniel Thalmann

The paper describes a versatile, robust, and parametric ball animation model that can be used in many types of interactive virtual reality (VR) environments. The generic model is particularly useful for animation of ball-like objects such as tennis balls a ...

2000

Visualization of local movements for optimal marker positioning

Daniel Thalmann, Ronan Boulic, Marius-Calin Silaghi

Motion capture has been adopted for the production of highly realistic movements, as well as for the clinical analysis of pathological motion. In both cases, a skeleton model has to be identified to derive the joint motion. The optical technology has gaine ...

2000