Human-computer interaction is the study of the interaction between people (users) and computers. It is often considered as the intersection of the computer and behavioral sciences. Interaction between users and computers occurs at the user interface (or simply interface), which includes input and output data. For example, video documents (output data) are displayed on a personal computer, as the basis for a search method. The search method's input data is received from users. The input data are composed of emotion expressed facially (happy, not happy, etc.) with other user interactions (feedbacks) of the answers of previous queries. The video documents are displayed, taking into account the user's profile (elderly, young, etc.), and adapted to the user's context (mobile, outdoors, domestic environment, professional environment, etc.).
KeywordsVideo Stream Multimodal Interface Multimodal Interaction Camera Location Crowd Density
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