In: Fiches SuisseEnergie pour les communes, 2004, p. 1-2
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Cette étude vise à proposer une analyse de l’acceptabilité d’un péage urbain à Lugano à partir d’une enquête sur le trafic automobile, la démarche étant comparative et urbistique. Pour ce faire, nous articulerons cette étude autour de deux parties. Une première partie descriptive s’attachera à présenter les caractéristiques urbaines de la ville de Lugano et les vertus...
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In: Géomatique Expertt, no 58, août-septembre 2007
Les impacts sur notre environnement et notre société des actuels changements climatiques sont nombreux. Les effets du réchauffement / dérèglement des températures annoncé et la nécessité de diminuer drastiquement et rapidement les émission de gaz à effet de serre vont modifier notre mode de vie actuel. Les consommations d’énergie fossile devront être freinés, les productions...
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In: ISESCO Science and Technology Vision, 2007, vol. 3, no. 3, p. 49-53
Urban areas are characterised by a high concentration of economic and social activities. As a consequence, residential, commercial or industrial activities require an enormous rate of resources consumption. This can lead to environmentally-related problems. In addition, to the depletion of fossil ressources in the near future, there are legitimate calls for innovative approaches towards more...
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In this paper, the system is viewed as a construction based on the actors’ cognitive and social interactions. The system is the result of multiple – actor sense making (Weick 1995), but at the same time it orients social sense making. In this process each actor’s point of view is a representation of both the system and the context perceived as pertinent by the actor. In other words, the...
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Thèse de doctorat : Université de Fribourg : 1999 ; Nr. 1251.
This PhD thesis is on the topic of document recognition. It particularly discusses the aspects of learning document models and the recognition of the logical structure of documents. In order to achieve high reliability and user friendliness, we describe an interactive system which can easily be adapted to new document classes. In an initial learning session the system is able to generate a...
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Thèse de doctorat : Université de Fribourg : 2001 ; No 1364.
This thesis addresses the question of printed document recognition. We studied existing systems, first in a general context, by making the distinction between physical and logical structure recognition systems. Then, we focused on methods specific for complex layout documents and on methods having a learning aptitude. Since there do not seem to exist learning systems which are able to recognise...
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Thèse de doctorat : Université de Fribourg : 1995 ; 1105.
We present in this thesis a uniform approach to recognize the physical structure of printed documents that may contain various kinds of blocks: we call such documents composite documents. After an introduction to the subject of this thesis, we present first the state of the art in the field of document recognition. In this part, we present models and standards used to represent document...
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Thèse de doctorat : Université de Fribourg : 2001 ; 1340.
Uncertain knowledge can be represented in the framework of argumentation systems. In this framework, uncertainty is expressed using so-called assumptions. Depending on the setting of the assumptions, a given hypothesis of interest can be proved or falsified. The main goal of assumption-based reasoning is to determine the set of all supporting arguments for a given hypothesis. Such a supporting...
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Thèse de doctorat : Université de Fribourg : 2000 ; no 1312.
This thesis addresses the question of content-based image retrieval (CBIR) in heterogeneous databases. In an analysis of the existing CBIR tools that was done at the beginning of this work, we have shown that there was room for improvement in three key areas: query form, image and query representation, and computation of similarity. This analysis led us to studying the usability of a method for...
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