Authors:
Chris Harrison
Scott E. Hudson
Both From Carnegie Melon
Comment:
Summary:
There are some devices such as mobile phones that will attempt to discover where they are located relative to the user, such as in the users home or car, and behave differently. These sensing techniques such as using GPS are, as the paper describes, only sensing a small amount of the data available such as for example, whether the device is in the users hand or on the table.
While prior work has been done on this problem this paper describes a single sensor which uses the absorptive and reflective properties of the surrounding materials. The sensor can be operated at around 94 percent accuracy and as they claim it can read in and decipher the data about the devices surroundings in 25 ms.
A user study was also gone which produced good results. Although the technology is not yet perfect it shows some promise. If this were to be implemented today the designer would still have to include an unlock button and could not rely solely on the sensor to know if the user is holding it or not. I really liked this idea. It only seems natural that humans act differently in different situations so why should devices not? This doesn't seem like it would be too difficult to implement within a couple years. I hope to see something like this soon.
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