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Tracking and User Interface for Mixed Reality

Publications associées (109)

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Online Registration Tool and Markerless Tracking for Augmented Reality

Touradj Ebrahimi, Yousri Abdeljaoued

This paper presents a markerless tracking algorithm for augmented reality with no constraints in the geometry of the scene. Users pose is estimated using natural feature point extraction and tracking, and the epipolar geometry constraint between camera vi ...

2005

Surgical navigation system

Charles Baur

The invention relates to a surgical navigation system, comprising a microscope to which a 3D measuring apparatus is rigidly fixed, for localising objects within the field of operation. Markers are fixed to the objects the position of which is desirable to ...

2005

Image-guided Surgical Microscope

Gaëtan Marti

We present an image-guided surgical microscope system using augmented reality image overlays added onto one of the views of the operating microscope. With this system, segmented objects, outlines of risk regions, access pathways or 3D objects, previously e ...

2005

Image-guided Surgical Microscope

Gaëtan Marti

We present an image-guided microscope system using augmented reality image overlays added onto one of the views of the operating microscope. With this system, segmented objects, outlines of risk regions or access pathways, previously extracted from preoper ...

2005

Magic wand and the Enigma of the Sphinx

Daniel Thalmann, Olivier Renault, Frédéric Vexo, Tolga Abaci, Mireille Clavien, Jan Ciger

This paper presents an evaluation of the benefits and user acceptance of a multimodal interface in which the user interacts with a game-like interactive virtual reality application "The Enigma of the Sphinx". The interface consists of a large projection sc ...

2004

Component-based methodology and development framework for virtual and augmented reality systems

Michal Ponder

The very recent revolutionary advancements and wide availability of the real-time 3D graphics technology results in the overwhelming and still quickly growing number of toolkits, game engines, and VR/AR frameworks, which offer very broad collections of fun ...

EPFL2004

Multi modal tracking in complex environments for augmented reality applications

This work presents a model based real-time method for tracking 3D objects with a monocular camera. Our goal is to implement a tracking algorithm with a non conventional robustness in order to be used in hostile environments. We achieve this goal by integra ...

EPFL2004

The enigma of the sphinx

Daniel Thalmann, Olivier Renault, Frédéric Vexo, Tolga Abaci, Mireille Clavien, Jan Ciger

2003

Stable Real-Time Interaction Between Virtual Humans and Real Scenes

Daniel Thalmann, Pascal Fua, Vincent Lepetit, Michal Ponder

We present an augmented reality system that relies on purely passive techniques to solve the real-time registration problem. It can run on a portable PC and does not require engineering of the environment, for example by adding markers. To achieve this res ...

IEEE Comput. Soc2003

Fully Automated and Stable Registration for Augmented Reality Applications

Daniel Thalmann, Pascal Fua, Vincent Lepetit

We present a fully automated approach to camera registration for augmented reality systems. It relies on purely passive vision techniques to solve the initialization and real-time tracking problems, given a rough CAD model of parts of the real scene. It do ...

2003