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Journals ACM SIGARCH Computer Architecture News Volume 30 Issue 3

The Oxygen H21 Handheld Ken Steele, Jason Waterman, and Eugene Weinstein {steele, jwaterman, ecoder}@lcs.mit.edu Laboratory for Computer Science, Massachusetts Institute of Technology 1. INTRODUCTION ¢ A 640x480 color camera allowing both video and still image capture. ¢ A two-axis accelerometer that can sense both gravity (i.e., due to tilting) and dynamic acceleration (i.e., motion). ¢ Audio headset jack for input and output ¢ 32M of flash storage. ¢ Serial connector for GPS or Cricket Locator devices The H21s are in use today as platforms for developing Oxygen applications. The H21 applications integrate technologies from many groups working on Project Oxygen. Example uses of this technology include, using face recognition to identify the current user and presenting their daily calendar, using the Cricket Location System to give verbal directions inside a building, or answering spoken questions about the location of other people in the building. In cases where the local computation power is not sufficient today for the application, wirelessly connected servers are used. Current integrated technologies: ¢ Speech recognition and voice output using the Spoken Language Systems group's speech servers over a wireless connection. ¢ Face recognition using the camera on the H21 to capture images that are

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The oxygen H21 handheld

Steele, Ken; Waterman, Jason; Weinstein, Eugene
ACM SIGARCH Computer Architecture News , Volume 30 (3)
Association for Computing Machinery – Jun 1, 2002

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