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Off-line Design of a Handheld Security Monitor HandSeM

This article discusses the design of a handheld security monitor for off-line surveillance, including alarm sector selection, user identification methods, monitor functionality, note-taking options, and data transmission. Usability testing scenarios are also presented. Written by Johan F. Hoorn.

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Off-line Design of a Handheld Security Monitor HandSeM

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  1. Off-line Design of a Handheld Security Monitor HandSeM Faculty of Sciences Division of Mathematics and Computer Science Department of Information Management and Software Engineering Johan F. Hoorn  2002

  2. CASE # 1At 1:24 a.m. March 18,1990 as St. Patrick's Day came to a close thieves struck the Isabella Stewart Gardner Museum in Boston MA. The biggest art theft in U.S. history remains unsolved. A five million dollar reward has been offered for the safe return of the art. Although statutes for criminal prosecution may have lapsed, the paintings are still considered to be stolen property.The most valuable painting taken is Jan Vermeer's "The Concert". It is one of approx. 35 known works by the great Dutch painter. If you have any information about this case please contact the appropriate officials MAJOR ART THEFTS"A Search For The World's Most Wanted Art"We are seeking information about these cases: 1. The Vanishing Vermeer $5,000,000 rewardBoston, MA USAGardner MuseumMarch 18, 1990 Johan F. Hoorn

  3. Alarm Wireless connection to surveillance cameras How to select alarm sector? - pointer? Off-line Design of a Handheld Security Monitor HandSeM Off-line Design of a Handheld Security Monitor HandSeM Frame from diskette filing box - touchscreens? - extra buttons? - or combine? Johan F. Hoorn

  4. Alarm Wireless connection to surveillance cameras  QWERTYUIOP ASDFGHJKL ZXCVBNM - virtual keyboard? Off-line Design of a Handheld Security Monitor HandSeM Off-line Design of a Handheld Security Monitor HandSeM Guard’s name How to identify the user? Frame from address file box - fingerprints? - eye scan? - handwriting? (neural net) Johan F. Hoorn

  5. Off-line Design of a Handheld Security Monitor HandSeM Off-line Design of a Handheld Security Monitor HandSeM How to identify the user? - palm print? (on the back) - fingerprints? - eye scan? - handwriting? (neural net) - virtual keyboard? Johan F. Hoorn

  6. Off-line Design of a Handheld Security Monitor HandSeM Off-line Design of a Handheld Security Monitor HandSeM Guard’s name Alarm How to switch if there are eight sectors? REWARD - touchscreens? - pointer? 13-23557 - extra buttons? - automatic? Johan F. Hoorn

  7. REWARD 13-23557 Off-line Design of a Handheld Security Monitor HandSeM Off-line Design of a Handheld Security Monitor HandSeM How to switch if there are eight sectors? - or use back side? - touchscreens? - pointer? - extra buttons? - automatic? Johan F. Hoorn

  8. Alarm - speech? - write? REWARD  QWERTYUIOP ASDFGHJKL ZXCVBNM - virtual keyboard? 13-23557 Off-line Design of a Handheld Security Monitor HandSeM Off-line Design of a Handheld Security Monitor HandSeM Saw suspect How to take notes? Johan F. Hoorn

  9. Alarm - wireless, continuous, and on-line? REWARD - docking station? 13-23557 Off-line Design of a Handheld Security Monitor HandSeM Off-line Design of a Handheld Security Monitor HandSeM I run to back How to transmit data? Johan F. Hoorn

  10. Off-line Design of a Handheld Security Monitor HandSeM - or use the floppy drive? Johan F. Hoorn

  11. Exercise: Design HandSeM from the options just presented Provide the most functionality with the least number of buttons and gadgets Avoid buttons or options with multiple functions Operation of device should be intuitively clear Play a scenario to explore the user tasks Johan F. Hoorn

  12. System requirements (and possible solutions) Selection of alarm sector (touchscreen, pointer, extra buttons, or a combination?) User ID (fingerprint, eye scan, handwriting, virtual keyboard, palm print?)  Monitor > 4 sectors (touchscreen, pointer, extra buttons, automatic, back side of device?) Make notes or log (speech, write, virtual keyboard?) Transmit data (wireless, continuous, on-line, docking station, 3½ floppy drive?) Johan F. Hoorn

  13. First usability test by playing scenario’s: What functionality is (not) needed? Guard works while public is in museum Guard is in late-night firefight and wants back-up Guard is alone and taken hold of by art thief Colleagues bring together a search posse Johan F. Hoorn

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