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Towards sociable virtual humans : multimodal recognition of human input and beh...
Eckes, Christian; Biatov, Konstantin; Hülsken, Frank; Köhler, Joachim; Breuer, Pia; Branco, Pedro; Encarnação, Luis Miguel Eggeling daOne of the biggest obstacles for constructing effective sociable virtual humans lies in the failure of machines to recognize the desires, feelings and intentions of the human user. Virtual humans lack the ability to fully understand and decode the communication signals human users emit when communicating with each other. This article describes our research in overcoming this problem by developing senses for th...
It’s all in the face : studies on monitoring users’ experience
Branco, Pedro; Encarnação, Luis Miguel Eggeling da; Marcos, Adérito FernandesWe propose to observe users’ spontaneous facial expressions as a method to identify adverse-event occurrences at the user interface level. We discuss an experiment designed to investigate the association between incidents during a word processing task and users’ facial expressions monitored using electromyogram sensor devices. The results suggest that an increase of task difficulty is related to an increase in...
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