Pascal Wiggers
Hogeschool van Amsterdam
84 Papers
656 Citations
Pascal Wiggers is an academic researcher from Hogeschool van Amsterdam. The author has contributed to research in topics: Language model & Dynamic Bayesian network. The author has an hindex of 18, co-authored 84 publications. Previous affiliations of Pascal Wiggers include Delft University of Technology.
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Papers
Designing interfaces for explicit preference elicitation: a user-centered investigation of preference representation and elicitation process
TL;DR: It is hypothesized that users are willing to spend more effort if the feedback mechanism enables them to be more expressive, and four design guidelines are proposed to foster interface design of preference elicitation from a user view.
•Journal Article
Voice stress analysis
TL;DR: In this article, the effect of stress on speech production was examined by means of measuring the acoustic modifications of the voice brought about by workload, such as loudness, fundamental frequency, jitter, zero-crossing rate, speech rate and high-energy frequency ratio.
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Analysis of shopping behavior based on surveillance system
Mirela Popa,Léon J. M. Rothkrantz,Zhenke Yang,Pascal Wiggers,Ralph Braspenning,Caifeng Shan +5 more
- 22 Nov 2010
TL;DR: The methodology towards developing such a system consisting of participating observation, designing shopping behavioral models, assessing the associated features and analyzing the underlying technology is presented.
Kinect Sensing of Shopping Related Actions
Mirela Popa,Mirela Popa,Alper Kemal Koc,Alper Kemal Koc,Léon J. M. Rothkrantz,Caifeng Shan,Pascal Wiggers +6 more
- 16 Nov 2011
TL;DR: A system for analyzing human behavior patterns related to products interaction, such as browse through a set of products, examine, pick products, try on, interact with the shopping cart, and look for support by waiving one hand is proposed.
Conversations with a virtual human : synthetic emotions and human responses
Chao Qu,Willem-Paul Brinkman,Yun Ling,Pascal Wiggers,Iej Ingrid Heynderickx,Iej Ingrid Heynderickx +5 more
TL;DR: These findings have practical implications for the treatment of social anxiety as they allow therapists to control the anxiety evoking stimuli, i.e., the expressed emotion of a virtual human in a virtual reality exposure environment of a simulated conversation.
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