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A frequent source of errors in dynamic light-scattering experiments is partial heterodyning caused by scattering on large particles or imperfections of the sample cell. With a conventional two-pinhole receiver it is impossible to distinguish its effect from the effects of a finite detector area and detector nonlinearity. However, an accurate data analysis… (More)
PURPOSE To assess the variability in choroidal laser Doppler flowmetry (LDF). METHODS Five measurements of choroidal blood flow were obtained on 5 days in both eyes of 10 subjects. Reliability, sensitivity, and sample size calculations were performed. Yield, the intensity of the returning light (direct current [DC]) divided by the signal amplification… (More)
Player feedback data was collected for the pervasive game " Meet Your Heartbeat Twin " , an event-type LBS (Location-Based Service) game including affective computing through the player's live heartbeats. Correlation analysis of the data demonstrates broad client profile for pervasive games, covering age, gender and hobbies. The data also shows that Urban… (More)
Bystanders are often overlooked in the debate over wearable use in public spaces. Including bystander concerns in the design process will make wearables more "genteel," protecting bystanders' privacy while making users more comfortable operating wearable devices in public.
From the virtual to the real, everybody is looking for the Joker... your mobile phone guides you through the city. Be the first one to win the Joker. Enter the game and play your session here in Paris! 1 GPS Joker The mobile telephone operator SFR  and the urban game studio XiLabs  developed the permanent and persistent pervasive game GPS Joker .… (More)