Isabelle Pecci
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Publications by Isabelle Pecci (bibliography)
» 2009 «
Pietrzak, Thomas, Martin, Benoît and Pecci, Isabelle (2009): Étude et tests d'une application haptique multimodale pour enfants déficients visuels. In Sciences et technologies pour le handicap,
“New technologies allow proposing new interactions, in particular for disabled people. This paper presents the European project MICOLE that aims at providing a development API for multimodal and multi-users applications intended for visually impaired users. In this API, new interactions techniques based on haptic such as tactons and PICOB are introduced. Then, we show an electric circuit schematic exploration software that is built with this API and that uses the PHANToM and the VTPlayer mouse. Finally, we present results of the first experimentation of this application with 13 visually impaired children.
”
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Pietrzak, Thomas, Crossan, Andrew, Brewster, Stephen A., Martin, Benoît and Pecci, Isabelle (2009): Exploring Geometric Shapes with Touch. In: Gross, T. (ed.) Interact 2009 2009, Uppsala, Sweden. pp. 145-148.
“We propose a new technique to help users to explore geometric shapes without vision. This technique is based on a guidance using directional cues with a pin array. This is an alternative to the usual technique that consists of raising the pins corresponding to dark pixels around the cursor. In this paper we compare the exploration of geometric shapes with our new technique in unimanual and bimanual conditions. The users made fewer errors in unimanual condition than in bimanual condition. However they did not explore the shapes more quickly and there was no difference in confidence in their answer.”
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Pietrzak, Thomas, Crossan, Andrew, Brewster, Stephen and Pecci, Isabelle (2009): Creating Usable Pin Array Tactons for Non-Visual Information. In Transactions on Haptics, 2 (2) pp. 61-72
“Spatial information can be difficult to present to a visually impaired computer user. In this paper, we examine a new kind of tactile cuing for nonvisual interaction as a potential solution, building on earlier work on vibrotactile Tactons. However, unlike vibrotactile Tactons, we use a pin array to stimulate the finger tip. Here, we describe how to design static and dynamic Tactons by defining their basic components. We then present user tests examining how easy it is to distinguish between different forms of pin array Tactons demonstrating accurate Tacton sets to represent directions. These experiments demonstrate usable patterns for static, wave, and blinking pin array Tacton sets for guiding a user in one of eight directions. A study is then described that shows the benefits of structuring Tactons to convey information through multiple parameters of the signal. By using multiple independent parameters for a Tacton, this study demonstrates that participants perceive more information through a single Tacton. Two applications using these Tactons are then presented: a maze exploration application and an electric circuit exploration application designed for use by and tested with visually impaired users.”
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Pietrzak, Thomas, Crossan, Andrew, Brewster, Stephen A., Martin, Benoît and Pecci, Isabelle (2009): Exploration de formes géométriques par le toucher. In: 21th French-speaking conference on Human-computer interaction IHM 2009 October 13-16, 2009, Grenoble, France. .
“We propose a new technique to help people to explore geometric shapes without vision. This technique is based on a guidance using directional cues with a pin array. This is an alternative to the usual technique that consists of raising the pins corresponding to dark pixels around the cursor. In this paper we compare the exploration of geometric shapes with our new technique in unimanual and bimanual conditions. According to our results, the users made few errors in both conditions. Moreover the results show an equivalence for both techniques in answer time and users' confidence in their answer.”
Copyrights may apply
Pietrzak, Thomas, Martin, Benoît and Pecci, Isabelle (2009): Étude et tests d'une application haptique multimodale pour enfants déficients visuels. In Sciences et technologies pour le handicap, 3 (1) pp. 37-62
“New technologies allow proposing new interactions, in particular for disabled people. This paper presents the European project MICOLE that aims at providing a development API for multimodal and multi-users applications intended for visually impaired users. In this API, new interactions techniques based on haptic such as tactons and PICOB are introduced. Then, we show an electric circuit schematic exploration software that is built with this API and that uses the PHANToM and the VTPlayer mouse. Finally, we present results of the first experimentation of this application with 13 visually impaired children.
”
Copyrights may apply
» 2007 «
Pecci, Isabelle and Pietrzak, Thomas (2007): Angle Recognition Cues using a new API dedicated to the VTPlayer Mouse. In: HuMaN March 12-14, 2007, Timimoun, Algerian Sahara. pp. 119-126.
“The VTPlayer mouse is a tactile device that provides two matrices of pins that can be raised or lowered. We aim to use this device to make application more accessible for visually impaired children. To simplify the use of such device in classical applications, we propose a new API (Application Programming Interface) that manages the concept of icon independently of the feedback of the icon. The programmer can easily define icons and propose multimodal feedback (visual, tactile …). In the second part of this paper, we test this API through experiment to recognize angle with tactile icons. The choice of a set of icons suitable for angle discrimination is studied and a possible good one is proposed. User tests are conducted with this set of icons and a statistical study demonstrates its efficiency.”
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Pecci, Isabelle (2007): Etat de l’art des claviers physiques et logiciels pour la saisie de texte. In Revue d’Interaction Homme-Machine (RIHM), pp. 147-205
“The pull for mobile computing encourages the amount of methods for text entry. It is not the unique motivation. The needs for users have changed ; they grow because the users have changed. Now, very specific needs to a context of use or to an impairment make standard keyboard unusable. This article presents a state of the art of the keyboard-replacement solutions. It aims at classifying solutions encountered, among physical keyboards, and among software keyboards. Several benchmarks are considered to study these various keyboards: look, kind of text entry, prediction, context of use and performance. This article shows a wide range of keyboards. The goal is to have a look at many different approaches aims to understand the various keyboards solutions and aims to help to choose best keyboards according context of use and users.”
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Pietrzak, Thomas, Pecci, Isabelle, Saarinen, Rami, Raisamo, Roope and Järvi, Jane (2007): The MICOLE Architecture: Multimodal Support for Inclusion of Visually Impaired Children. In: Ninth International Conference on Multimodal Interfaces ICMI 07 12-15 November, 2007, Nagoya, Japan. pp. 193-200.
“Modern information technology allows us to seek out new ways to support the computer use and communication of disabled people. With the aid of new interaction technologies and techniques visually impaired and sighted users can collaborate, for example, in the classroom situations. The main goal of the MICOLE project was to create a software architecture that makes it easier for the developers to create multimodal multi-user applications. The framework is based on interconnected software agents. The hardware used in this study includes VTPlayer Mouse which has two built-in Braille displays, and several haptic devices such as PHANToM Omni, PHANToM Desktop and PHANToM Premium. We also used the SpaceMouse and various audio setups in the applications. In this paper we present a software architecture, a set of software agents, and an example of using the architecture. The example application shown is an electric circuit application that follows the single-user with many devices scenario. The application uses a PHANToM and a VTPlayer Mouse together with visual and audio feedback to make the electric circuits understandable through touch.”
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Pietrzak, Thomas, Pecci, Isabelle and Martin, Benoît (2007): Un logiciel d'exploration de schémas de circuits électriques basé sur l'API MICOLE. In: 19th French-speaking conference on Human-computer interaction IHM 2007 November 13-15, 2007, Paris, France. pp. 291-294.
Martin, Benoît and Pecci, Isabelle (2007): Etat de l'art des claviers physiques et logiciels pour la saisie de texte. In Revue d'Interaction Homme-Machine (RIHM), pp. 147-205
“The pull for mobile computing encourages the amount of methods for text entry. It is not the unique motivation. The needs for users have changed ; they grow because the users have changed. Now, very specific needs to a context of use or to an impairment make standard keyboard unusable. This article presents a state of the art of the keyboard-replacement solutions. It aims at classifying solutions encountered, among physical keyboards, and among software keyboards. Several benchmarks are considered to study these various keyboards: look, kind of text entry, prediction, context of use and performance. This article shows a wide range of keyboards. The goal is to have a look at many different approaches aims to understand the various keyboards solutions and aims to help to choose best keyboards according context of use and users.”
Copyrights may apply
» 2006 «
Pietrzak, Thomas and Pecci, Isabelle (2006): Static and dynamic tactile directional cues experiments with VTPlayer mouse. In: EuroHaptics 2006 July 3-6, 2006, Paris, France. pp. 63-68.
“Braille cells have good potential to provide information. Users don’t have to know the braille alphabet to be able to use them. In this study we show that it is possible to create 4×4 patterns to give the users some directional information. Two kinds of icons have been designed: static patterns and dynamic ones (animations). It appears that users rather like, and recognize better static icons.”
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Pietrzak, Thomas, Noble, Nicolas, Pecci, Isabelle and Martin, Benoît (2006): Evaluation d'un logiciel d'exploration de circuits électriques pour déficients visuel. In: 3èmes Rencontres Jeunes Chercheurs en Interaction Homme-Machine, RJC-IHM 2006. . Available online
» 2005 «
Pietrzak, Thomas and Pecci, Isabelle (2005): Information display by dragged haptic bumps. In: 2nd International Conference on Enactive Interfaces ENACTIVE 05 November 17-18, 2005, Genoa, Italy. .
“The utility of haptic interfaces is widely established
now. Although many interfaces has been designed, few
tests about immediate usability have been made. The
purpose of this paper is a study of direction and amplitude
discrimination when a user feels a bump while
moving the hand along an axis with an haptic pointing
device. The results show that users can discriminate two
and four directions with few errors while using one amplitude.
But in the case of two or three amplitudes, some
users have difficulties. The amplitude discrimination is
more problematic. With only two amplitudes some users
don’t manage to discriminate the bumps, and with three
amplitudes most of them make a lot of errors.”
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Pietrzak, Thomas, Martin, Benoît and Pecci, Isabelle (2005): Affichage d'informations par des impulsions haptiques. In: Proceedings of the 2005 Conference of the Association Francophone dInteraction Homme-Machine 2005. pp. 223-226. Available online
“Our goal was to find haptic effects that could be used to present information to the user of a haptic pointing device. We present a study on users' ability to discriminate between different effects presented with a PHANToM haptic pointing device. The effects we experimented with were bumps that the user could feel through the PHANToM. The direction and the amplitude of the bumps were manipulated. The results show that the direction is easy to discriminate, but the amplitude is not. Only two levels of amplitude could be reliably discriminated.”
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» 2004 «
Chelghoum, Kamel, Margenstern, Maurice and Pecci, Isabelle (2004): Initialising Cellular Automata in the Hyperbolic Plane. In IEICE Transactions on Information and Systems, Special Section on cellular automata, 0 (0) pp. 677-686
“In this paper, we investigate how to initialise cellular automata being implemented in the hyperbolic plane. We generalise a technique which was indicated in [2] to the case of any rectangular regular grid of the hyperbolic plane. This allows us to construct the initial configuration of any cellular automaton belonging to a rather large class of problems.”
Copyrights may apply
Chelghoum, Kamel, Margenstern, Maurice and Pecci, Isabelle (2004): Initialising Cellular Automata in the Hyperbolic Plane. In IEICE Transactions on Information and Systems, Special Section on cellular automata, 0 (3) pp. 677-686
“In this paper, we investigate how to initialise cellular automata being implemented in the hyperbolic plane. We generalise a technique which was indicated in [2] to the case of any rectangular regular grid of the hyperbolic plane. This allows us to construct the initial configuration of any cellular automaton belonging to a rather large class of problems.”
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Chelghoum, Kamel, Margenstern, Maurice and Pecci, Isabelle (2004): Palette hyperbolique : un outil pour interagir avec des ensembles de données. In: 16th French-speaking conference of human computer interaction IHM 2004 30 Août-3 Septembre, 2004, Namur, Belgique. pp. 195-198.
“La manipulation et en particulier l’exploration
d’ensembles de données de grande taille est un problème
actuel. Cet article propose d’adapter une technique « oeil
de poisson » qui utilise la géométrie hyperbolique.
Contrairement à l’approche classique, l’espace hyperbolique
utilisé est pavé. La technique de pavage proposée
permet une codification des données afin de calculer le
voisinage entre les données. La difficulté majeure est de
trouver comment répartir ces données dans les pavés.
Des heuristiques sont proposées pour mieux cibler ces
ensembles de données. Les travaux présentés montrent
comment obtenir un outil interactif pour manipuler ces
ensembles : la palette hyperbolique. Pour illustrer les
possibilités offertes par cet outil, une application est en
cours de développement. Son but est de fournir une nouvelle
palette de définition de couleurs. Nous montrons
pourquoi cette application répond à nos heuristiques
pour utiliser une palette hyperbolique.”
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Chelghoum, Kamel, Margenstern, Maurice, Pecci, Isabelle and Skordev, Gencho (2004): Tilings {p,q} of the hyperbolic plane are combinatoric. In: Workshop on Tilings and Cellular Automata of the DLT04 conference WTCA2004 December, 2004, Auckland, New-Zealand. pp. 48-64.
“Tilings {p,q} of the hyperbolic plane are generated by the reflections in its sides and, recursively of its images, of a regular polygon with p sides and with vertex angle 2pi/q. We show that these tilings are combinatoric, an important property which was devised by the second author. We investigate also important particular cases whe q=3 and q=4 and also when p=5 and p=7.”
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Chelghoum, Kamel, Margenstern, Maurice and Pecci, Isabelle (2004): Cellular automata in the hyperbolic plane: proposal for a new environment. In: 6th International Conference on Cellular Automata for Research and Industry ACRI 2004 October 25-28, 2004, Amsterdam, The Netherlands. pp. 678-687.
“In this paper, we deal with new environment to visualise and to interact
with cellular automata implemented in a grid of the hyperbolic plane. We
use two kinds of tiling: the ternary heptagrid and the rectangular pentagrid. We
show that both grids have the same spanning tree: the same numbering with
maximal Fibonacci numbers can be used to identify all tiles. We give all the
materials to compute the neighbourhood of any tile in the heptagrid or in the
pentagrid. Then we propose visualisation and interaction techniques to interact
with cellular automata which are grounded in these two grids.”
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Chelghoum, Kamel, Margenstern, Maurice and Pecci, Isabelle (2004): Tools for implementing cellular automata in grid {7,3} of the hyperbolic plane. In: DMCS, workshop under ICALP04 July, 2004, Turku, Finland. .
“In this talk, after reminding the basic features of the hyperbolic
plane and the technique used in the case of the pentagrid, we deal
with the possible implementation of cellular automata on another
simple grid of the hyperbolic plane, the heptagrid, technically de-
ned by {7, 3} according to Schlae
i notations.
It turns out that the Fibonacci tree and the corresponding
technology can be transferred to this case, almost word by word.
We give also another splitting which strengthens the usefulness of
the splitting method. We also investigate too problems connected
with impementation: the localisation of a point in the heptagrid
and, from that an initialisation issue. The alternative splitting we
indicate turns out to be very ecient for localisation problems.
Also we takle precision problems which we can overcome by a
small application of algebraic eld theory.”
Copyrights may apply
» 2003 «
Chelghoum, Kamel, Margenstern, Maurice and Pecci, Isabelle (2003): Locating Points in the Pentagonal Rectangular Tiling of the Hyperbolic Plane. In: 7th World Multiconference on Systemics, Cybernetics and Informatics, SCI2003 July 27-30, 2003, Orlando, Florida. pp. 25-30.
“This paper describes an approach to locating points in the
hyperbolic plane. Our technique follows the splitting of the
hyperbolic plane which generates the pentagrid, i.e. the tiling of the hyperbolic plane with regular rectangular pentagons, see [2,5]. It uses also other aspects of the technique which was initiated in [2]: the spanning tree of the dual graph of the pentagrid and the coding of the situation of the pentagons by the standard Fibonacci representation of the numbers being associated of the elements of the pentagrid. We provide algorithms which, from coordinates of a point p(xp, yp) in the
Poincaré disk allow us to obtain the number of the pentagon
which contains p(xp, yp).”
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Mar 21st, 2010
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