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This article has a correction

Please see: J Am Med Inform Assoc 2009;16:284

J Am Med Inform Assoc 2008;15:321-323 doi:10.1197/jamia.M2410
  • The Practice of Informatics
  • Technical Brief

A Gesture-based Tool for Sterile Browsing of Radiology Images

  1. Juan P Wachsa,
  2. Helman I Sterna,
  3. Yael Edana,
  4. Michael Gillamb,
  5. Jon Handlerb,
  6. Craig Feiedb,
  7. Mark Smithb
  1. aDepartment of Industrial Engineering and Management, Ben-Gurion University of the Negev, Be'er-Sheva, Israel
  2. bInstitute for Medical Informatics, Washington Hospital Center, Washington, DC
  1. Correspondence: Juan P. Wachs, Department of Industrial Engineering and Management, Ben-Gurion University of the Negev, Be'er-Sheva, Israel, 84105 (e-mail: <juan{at}bgu.ac.il>)
  • Received 7 February 2007
  • Accepted 22 January 2008

Abstract

The use of doctor-computer interaction devices in the operation room (OR) requires new modalities that support medical imaging manipulation while allowing doctors' hands to remain sterile, supporting their focus of attention, and providing fast response times. This paper presents “Gestix,” a vision-based hand gesture capture and recognition system that interprets in real-time the user's gestures for navigation and manipulation of images in an electronic medical record (EMR) database. Navigation and other gestures are translated to commands based on their temporal trajectories, through video capture. “Gestix” was tested during a brain biopsy procedure. In the in vivo experiment, this interface prevented the surgeon's focus shift and change of location while achieving a rapid intuitive reaction and easy interaction. Data from two usability tests provide insights and implications regarding human-computer interaction based on nonverbal conversational modalities.

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