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Publicações

Publicações por HumanISE

2011

Fiducials marks detection to assist visually impaired people navigation

Autores
Costa, P; Fernandes, H; Vasconcelos, V; Coelho, P; Barroso, J; Hadjileontiadis, L;

Publicação
International Journal of Digital Content Technology and its Applications

Abstract
Assistive technology enables people to achieve independence in the accomplishment of their daily tasks and enhance their quality of life. Visual information is the basis for most navigational tasks, so visually impaired individuals are at disadvantage due to the lack of information or given unsufficient information about their surrounding environment. With the recent advances in inclusive technology it is possible to extend the support given to people with visual disabilities during their mobility. In this context we propose and describe the SmartVision project, whose global objective is to assist visually impaired people in their navigation through unknown indoor and outdoor environments. This paper is focused mainly on the Computer Vision module of the SmartVision prototype, were we propose a new algorithm to recognise fiducials marks suitably placed on sidewalks, revealing to be a promising solution.

2011

Context aware middleware for supporting Idea Generation meetings in Smart Decision Rooms

Autores
Freitas, CF; Meireles, A; Figueiredo, L; Barroso, J; Ramos, C;

Publicação
Proceedings - 4th International Conference on Ubi-Media Computing, U-Media 2011

Abstract
In a globalized world members of groups may be anywhere, and the need for ubiquitous Idea Generation emerged. This led to two main needs: the creation of Smart Decision Rooms prepared for this new reality and following the Ambient Intelligence paradigm; and the creation of context aware middleware. This paper describes OLAVAmI a context aware middle-ware system which was tested in LAID environment, a Smart Meeting Room. OLAVAmI allows video production focusing on the speaker, an audio-to-text conversion service, and the multimedia database of meetings produced in an autonomous way. To experiment OLAVAmI usage and functionalities one of the tools present in LAID test bed was used and the results are presented in this article. © 2011 IEEE.

2011

SIDE - Teaching support information system

Autores
Barbosa, LF; Alves, P; Barroso, J;

Publicação
Proceedings of the 6th Iberian Conference on Information Systems and Technologies, CISTI 2011

Abstract
This paper presents the SIDE portal, which is an information system to support teaching, focused on academic management and teaching and learning processes, meeting the needs of integration of information flows from several university information systems. SIDE portal plays a fundamental role in the institution, enabling learning, evaluation and communication without space or time limitations, allowing to meet the challenges of higher education institutions - increase the education capacity and simultaneously be more efficient in academic management processes. © 2011 AISTI.

2011

WebRun

Autores
Araujo, P; Dias, T; Castanheira, J; Prata, P; Barroso, J;

Publicação
Proceedings of the 6th Iberian Conference on Information Systems and Technologies, CISTI 2011

Abstract
Promoting a healthy lifestyle, including the practice of sport activities, is a very topical subject. In this paper, we present a project related to a game that allows two or more players to take part in competitive running using a simulator consisting of physical equipment, a fixed bike, a controller and a supervisor program. The main goal is the promotion of sports through computer games. © 2011 AISTI.

2011

SIDE - System information to support teaching

Autores
Barbosa, LF; Alves, P; Barroso, J;

Publicação
SISTEMAS E TECNOLOGIAS DE INFORMACAO, VOL I

Abstract

2011

Test case generation from mutated task models

Autores
Barbosa, A; Paiva, ACR; Campos, JC;

Publicação
Proceedings of the 2011 SIGCHI Symposium on Engineering Interactive Computing Systems, EICS 2011

Abstract
This paper describes an approach to the model-based testing of graphical user interfaces from task models. Starting from a task model of the system under test, oracles are generated whose behaviour is compared with the execution of the running system. The use of task models means that the effort of producing the test oracles is reduced. It does also mean, however, that the oracles are confined to the set of expected user behaviours for the system. The paper focuses on solving this problem. It shows how task mutations can be generated automatically, enabling a broader range of user behaviours to be considered. A tool, based on a classification of user errors, generates these mutations. A number of examples illustrate the approach. Copyright 2011 ACM.

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