This paper describes our work on improving access to the content of multimodal documents containing line graphs in popular media for people with visual impairments. We provide an overview of our implemented system, including our method for recognizing and conveying the intended message of a line graph. The textual description of the graphic generated by our system is presented at the most relev...

The aim of this paper is to present an analysis on four basic emotions – anger, happiness, sadness, unemotional statethat are expressed during the speech, by using fundamental frequency curves (henceforth F0). In this experimental study, the sentences that can be expressed with four emotions were read by non-professional actors with four different emotions. The F0 curves for each utterance are ...

This paper describes a system for object detection on a conveying belt. The detection algorithms are based on the permanence effect that basically consists on increasing a state variable associated to each pixel of the sensor when the moving element is located on that particular pixel point, and to decrease it otherwise. Using this permanence effect, a characteristic called LSR can be obtained ...

Awareness of others’ interests can lead to fruitful collaborations, friendships and positive social change. Interviews of groups involved in both research and corporate work revealed a lack of awareness of shared interests among workers sharing an organizational affiliation and collocated in the same building or complex but still physically separated (e.g., by walls or floors). Our study showed...

Here we present 2Hearts, a music system controlled by the heartbeats of two people. As the players speak and touch, 2Hearts extracts meaningful variables from their heartbeat signals. These variables are mapped to musical parameters, conveying the changing patterns of tension and relaxation in the players’ relationship. We describe the motivation for creating 2Hearts, observations from the prot...

An important QoS factor for wireless network planning is delay. We should provide enough resources (bandwidth) for conveying the traffic load. Next generation wireless networks is going to be an all IP network. In this path, voice will be changed to packet. In this paper we introduce a queuing model and a radio resource management algorithm which maximize the system throughput (users), then com...

When dealing with a natural language interaction about a formal domain, a number of phenomena occur. They include interspersing natural language with formulas, various degrees of formality, and conveying the logical structure of an essay. Capturing these phenomena, to some extent, is necessary for providing relevant tutoring feedback. In this paper we discuss these phenomena, the extent to whic...

The present study investigates temporal characteristics of speech conveying emotion and attitude. First, a production study was conducted at the global level of the whole utterance, determining the p̋roduction values of “global speech rate” f̋or each emotion and attitude involved in the study. A perception study ̋ was also carried out at this global level, seeking perceptually optimal “global spe...