HapticV1, Main, Exploration, bibRecord, 006071

Is haptic watermarking worth it ?

Identifieur interne : 006071 ( Main/Exploration ); précédent : 006070; suivant : 006072

Is haptic watermarking worth it ?

Auteurs : S. Belloni [Italie] ; A. Formaglio [Italie] ; G. Menegaz [Italie] ; H. Z. Tan [États-Unis] ; D. Prattichizzo [Italie] ; M. Barni [Italie]

Source :

Proceedings of SPIE, the International Society for Optical Engineering [ 0277-786X ] ; 2006.

RBID : Pascal:07-0406506

Descripteurs français

Pascal (Inist)
- Vision, Dispositif affichage, Filigranage, Musée, Homme, Réalité virtuelle, Système 3 dimensions, Perception visuelle, Interface haptique, 4266, 4230.
Wicri :
- topic : Musée, Homme, Réalité virtuelle.

English descriptors

KwdEn :
- Display devices, Haptic interfaces, Human, Museum, Three dimensional system, Virtual reality, Vision, Visual perception, Watermarking.

Abstract

Usage of 3D data and models is receiving a growing interest for several applications, like training, museum displays, multimodal interfaces, aid for impaired people. In such a framework the need will soon raise to protect 3D data from misuse. Among the technologies that can be used to this aim, digital watermarking has a prominent role; due to its versatility and non-obtrusiveness. A basic requirement of any watermarking scheme is that the embedded code is invisible, or non-perceivable, by the end user of the data. This requirement also holds for 3D objects, it is then necessary that the human ability of perceiving a signal hidden in a 3D object is studied. In this paper we present a preliminary analysis aiming at comparing the perceptibility of the hidden signal when the 3D model is sensed through different senses, namely vision (through common rendering techniques and subsequent display on a monitor) and touch (through a haptic interface). Specifically our investigation aimed at assessing whether ensuring watermark invisibility is sufficient to ensure that the watermark presence can not be felt haptically. The answer stemming from our preliminary analysis seems to be a clear no, even if further studies will be necessary before a definitive answer can be given.

Affiliations:

Italie, États-Unis

Links toward previous steps (curation, corpus...)

to stream PascalFrancis, to step Corpus: 000B21
to stream PascalFrancis, to step Curation: 000974
to stream PascalFrancis, to step Checkpoint: 000971
to stream Main, to step Merge: 006328
to stream Main, to step Curation: 006071

Le document en format XML

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<front><div type="abstract" xml:lang="en">Usage of 3D data and models is receiving a growing interest for several applications, like training, museum displays, multimodal interfaces, aid for impaired people. In such a framework the need will soon raise to protect 3D data from misuse. Among the technologies that can be used to this aim, digital watermarking has a prominent role; due to its versatility and non-obtrusiveness. A basic requirement of any watermarking scheme is that the embedded code is invisible, or non-perceivable, by the end user of the data. This requirement also holds for 3D objects, it is then necessary that the human ability of perceiving a signal hidden in a 3D object is studied. In this paper we present a preliminary analysis aiming at comparing the perceptibility of the hidden signal when the 3D model is sensed through different senses, namely vision (through common rendering techniques and subsequent display on a monitor) and touch (through a haptic interface). Specifically our investigation aimed at assessing whether ensuring watermark invisibility is sufficient to ensure that the watermark presence can not be felt haptically. The answer stemming from our preliminary analysis seems to be a clear no, even if further studies will be necessary before a definitive answer can be given.</div>
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Is haptic watermarking worth it ?

Is haptic watermarking worth it ?

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri