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Co-located meetings, as a fundamental part of our professional and educational lives heavily rely on visual information. In such meetings visual information consists of a) the artifact or " content " part (as for instance in brainstorming meetings the mind maps) and b) of nonverbal communication elements (like deictic gestures and gazes). Blind persons to a(More)
Today, research focuses on the accessibility of explicit information for blind users. This gives only partly access to the information flow in brain-storming sessions, since non-verbal communication is not supported. Advances in ICT however allow capturing implicit information like hand gestures as important part of non-verbal communication. Thus, we(More)
Since a couple of years tablets are gaining ever increasing markets share, so that desktop PCs are slowly losing their dominant role. People with disabilities are also attracted by tablets but they are sometimes challenged by the multi-touch technology itself and the natural interfaces of the provided applications. This paper presents an approach, where a(More)
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