Environnements mobiles augmentés
Contents
1. Contexte Dans les laboratoires de recherche de l EPFL on exp rimente de nouvelles interfaces qui m lent espaces physiques et lectroniques Ces interfaces permettent en particulier d int grer des objets num riques 3D dans un environnement r el par le biais de signes graphiques pr d finis Ces signes peuvent pr exister ou tre dispos s dans l espace sur des objets dans les pages d un livre etc Le lieu les signes qui s y trouvent et les objets num riques forment ainsi une nouvelle r alit mixte D s lors de nouvelles possibilit s de lier une information lectronique un lieu ou un objet mergent par exemple d associer un contenu dynamique a un espace donn environnements de travail lieux culturels espaces de loisir etc Donn e Par groupes de 3 tudiants concevez votre environnement mobile augment Explorez les possibilit s d extension lectronique de vos objets mobiles contenu de votre sac a dos sac a main poches etc D finissez une famille de signes associ s a ces objets et cr ez le contenu lectronique 3D li s a ces signes Th mes Information omnipr sente dans notre environnement gt visible affiches signal tique crans gt invisible radio gsm wi fi etc Perception de notre environnement par nos sens Perception de notre environnement par des p riph riques mobiles t l phone portable PDA Wi Fi GPS RFID2. 06 05 semaine bloc avec intervenants ext rieurs 22 06 05 pr valuation du projet dans sa forme interactive tapes 1 7 04 07 07 05 valuation finale du projet date exacte confirmer Contact ECAL EPFL christophe guignard ecal ch david marimon epfl ch patrick keller ecal ch angelo benedetto ecal ch Mixed Reality Representations and Processing for Augmented Multimedia Communications The convergence of technology from computer vision computer graphics signal processing and telecommunications has lead to a great variety of applications and services for both professional and entertainment purposes In this context mixed reality denotes the integration of real and virtual elements in audio visual scenes These are often represented in 3D and give the user the opportunity to navigate within them and to interact with the real and virtual elements The past ten years have seen the popularization of virtual reality VR systems which enable participants to interact with virtual environments synthesized by a computer Most of the VR systems we have experienced in this decade however have conveyed a poor sense of reality primarily because the environments are synthesized entirely with a computer It therefore becomes essential to identify a technology that deals concurrently with the virtual synthesized and with the real physical world Mixed reality is just such a technology in that it realizes environments that seamle
3. Alt ration de notre perception sensible par des contenus mobiles ou embarqu s texte musique communication t l phonique etc Filtres culturels pour d crypter les signes langue culture etc Filtres artificiels pour d crypter les signaux hardware software Syst mes de lecture parall les vue ou e devices lectroniques Systemes de r alit mixte gt lecture naturelle lecture lectronique Technologie Mixed Reality System logiciel d velopp par l EPFL Projets 2D 3D sous forme de flux vid o avec int gration d objets 3D VRML Webcam connect e un ordinateur portable Objets 3D int gr s au flux vid o par le biais de signes dispos s dans l espace Etapes Choisissez un ensemble d objets que vous transportez r guli rement avec vous 2 Cr ez un sc nario et d veloppez un syst me de signes 3 D veloppez les objets 3D associ s m lange r el virtuel 4 Testez l interaction entre signes et objets 3D 5 R alisez le projet en collaboration avec l EPFL 6 Testez et faites tester votre projet corrigez am liorez 7 Cr ez un CD rom pochette pr sentation du projet site web avec sc nario signes objets 3D mode d emploi s quences vid os et ou photo du projet en r alit mixte Calendrier 30 03 05 intentions choix des objets mobiles signes tapes 1 et 2 11 05 05 s quences interaction r el virtuel tapes 3 et 4 13 17
4. layer in this approach is the use of cyber glasses To achieve this goal the following problems in computer vision should be addressed Registration Estimation of illumination parameters and reflectance information Depth map estimation Gesture Recognition Composition and rendering Virtual Object Composed Image Mixed Reality Experience David Marim n Sanju n david marimon epfl ch
5. ssly integrate both real and virtual worlds To fulfill this ambitious goal however a considerable amount of sensory information processing research remains to be done We propose to address some of the problems that arise when working towards fully immersive mixed reality So far most of these systems are stationary i e the mixed reality is experienced via stationary displays projections simulators etc On the other hand the concept of mixed reality is particularly interesting for mobile applications and services where virtual elements are overlaid over the real world view Examples are virtual interactive devices virtual PDA laptop communicator etc virtual city guides augmented sight seeing and remote assistance Objective development of a MR system for augmented multimedia communication that performs insertion of non deformable natural or synthetic objects into the real environment through overlays and efficient and natural interaction with such objects Using advances in image processing it would be possible to both enjoy a compact form factor and a virtually unlimited display size In addition the same technology allows for features such as interaction with natural and synthetic objects in a scene useful for many today s and tomorrow s applications The objective of this integrated project is to move closer to such an ideal situation by making use of the concepts developed in media and interface technologies The central p
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