A survey of indoor positioning systems for wireless personal networks
IEEE Communications Surveys & Tutorials
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A Visually impaired people's life is changing significantly in recent information society; even the visually impaired person who masters a various functions of a smart device exists. However, the diversity of their lifestyle has not been thoroughly investigated yet, compared to that of sighted people's. Therefore, the lifestyles of visually impaired people tend to be misunderstood by others; and even wrong stereotypes of them could be spread in society. This situation has been making it hard for us to find actually useful living assistants for them. The biggest factor that prevents investigations of bare lifestyles of visually impaired people is the privacy issue caused by video recording. This study's purpose is to propose and evaluate a new sensing system that substitutes the video ethnography and raises degree of abstraction so that it would not specify personal information and invade their privacy.