Searched for: author%3A%22Rothkrantz%2C+L.J.M.%22
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Van Waveren, J.M.P. (author), Rothkrantz, L.J.M. (author)
book chapter 2008
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Chi?u, A. (author), Rothkrantz, L.J.M. (author)
book chapter 2012
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Fitrianie, S. (author), Rothkrantz, L.J.M. (author)
Innovations in mobile technology allow people to request route information on their smartphone to reach safe areas during emergency and disaster evacuations. In return, the affected people in the field can send their observation reports, e.g. using a dedicated icon-based disaster language. However, given the turbulent nature of disaster...
conference paper 2015
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Rothkrantz, L.J.M. (author)
It proves that many starting students at Technical Universities don’t have the required mathematical knowledge and abilities. This is caused by educational gaps at secondary schools, disinterest of students and a process of forgetting over time. At TUDelft a MOOC has been developed to train new students in mathematical calculus during the summer...
conference paper 2015
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Scholte, K. (author), Rothkrantz, L.J.M. (author)
Many services provide weather forecasts, including severe weather alerts for the marine. It proves that many ships neglect the warnings because they expect to be able to handle the bad weather conditions. In order to identify possible unsafe situations the Coast Guard needs to observe marine vessel traffic 24 hours, 7 days a week. In this paper...
conference paper 2014
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Wojdel, J. (author), Wiggers, P. (author), Rothkrantz, L.J.M. (author)
This paper describes the gathering and availability of an audio-visual speech corpus for Dutch language. The corpus was prepared with the multi-modal speech recognition in mind and it is currently used in our research on lip-reading and bimodal speech recognition. It contains the prompts used also in the well-established POLYPHONE corpus and...
conference paper 2002
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Fitrianie, S. (author), Rothkrantz, L.J.M. (author)
In recent years, we have developed a framework of human-computer interaction that offers recognition of various communication modalities including speech, lip movement, facial expression, handwriting/drawing, gesture, text and visual symbols. The framework allows the rapid construction of a multimodal, multi-device, and multi-user communication...
conference paper 2009
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Rothkrantz, L.J.M. (author)
Current routing devices route an individual car driver from start to destination in the shortest time. In this paper we propose a routing algorithm, routing the whole population of car drivers in the shortest time. The algorithm is an adapted dynamic version of the shortest path algorithm of Dijkstra, taking care of current and future changing...
conference paper 2015
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Rothkrantz, L.J.M. (author), Scholte, K. (author)
The goal of our research is the design and implementation of an automated surveillance system based on an Automatic Identification System (AIS). The AIS system enables operators to monitor ship movements. Human observation 7 days in a week, 24 hours a day requires a lot of resources. There is a need to support human operators using an automated...
conference paper 2013
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Rothkrantz, L.J.M. (author)
During recent disasters such as tsunami, flooding, hurricanes, nuclear disaster, earthquake people have to leave their living areas for their own safety. But it proves that some people are not informed about the evacuation, or are not willing or able to leave or don’t know how to leave the hazardous areas. The topic of the paper is how to adapt...
conference paper 2013
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Rothkrantz, L.J.M. (author)
In this paper we present a new didactical model for open online learning using social media. Ideas underlying this model are discussed in recent literature. The innovative part of the model is that students are connected and cooperate via a social network of study friends for example via Facebook or Twitter. They inform each other about to be...
conference paper 2016
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Rothkrantz, L.J.M. (author), Yang, Z. (author)
One of the goals of the crowd control project at Delft University of Technology is to detect and track people during a crisis event, classify their behavior and assess what is happening. The assumption is that the crisis area is observed by multiple cameras (fixed or mobile). The cameras sense the environment and extract features such as the...
conference paper 2009
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Datcu, D. (author), Rothkrantz, L.J.M. (author)
The recognition of the internal emotional state of one person plays an important role in several human-related fields. Among them, human-computer interaction has recently received special attention. The current research is aimed at the analysis of segmentation methods and of the performance of the GentleBoost classifier on emotion recognition...
conference paper 2006
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Popa, M. (author), Koc, A.K. (author), Rothkrantz, L.J.M. (author), Shan, C. (author), Wiggers, P. (author)
Surveillance systems in shopping malls or supermarkets are usually used for detecting abnormal behavior. We used the distributed video cameras system to design digital shopping assistants which assess the behavior of customers while shopping, detect when they need assistance, and offer their support in case there is a selling opportunity. In...
conference paper 2011
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Rothkrantz, L.J.M. (author), Fitrianie, S. (author)
During major disaster events, human operators in a crisis center will be overloaded with under-stress a flood of phone calls. As an increasing number of people in and around big cities do not master the native language, the need for automated systems that automatically process the context and content of information about disaster situations from...
conference paper 2015
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Rothkrantz, L.J.M. (author)
Technically e-learning material can be downloaded from a PC environment to a mobile phone environment. But the context, environment, physical limitations of a mobile phone, sets limits to a mobile learning environment. The didactic model cannot be transferred usually from e-learning to mobile learning environment. In an experiment we test the...
conference paper 2015
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Rothkrantz, L.J.M. (author)
The Corona crisis limits the mobility of people and it proves that many people have an increased body mass index. A lot of people want to increase their fitness and to boost their immune system. There is a run-on fitness schools and fitness equipment for the home environment. At fitness schools, fitness coaches are available for personalized...
conference paper 2021
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Rothkrantz, L.J.M. (author)
The ETN FETCH project is about Future Education and Training. One of the goals was to develop new didactic models and to include social media in the process of teaching and learning. Some new didactic models have been developed. We will report about them in this paper. FETCH partners also performed some experiments using innovative teaching...
conference paper 2016
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Rothkrantz, L.J.M. (author)
The paper is about the development of a MOOC on the flooding of the river Vltava in the Czech country. The MOOC has been designed as a serious game. Students from all over the world are invited to take part in the management team to reduce the negative impact of the flooding. The MT has to take decisions about evacuation, building barriers and...
conference paper 2016
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Rothkrantz, L.J.M. (author)
In the past many didactic models have been developed for regular courses. But didactic models for e-learning courses and specific for MOOCs are still under development. Such a model should provide a basis for measurements against the high drop-out rate of MOOCs. Recently we introduced FETCH 2.0 as didactic model for e-learning using social media...
conference paper 2016
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