Using Your Head


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  • Direct selection is usually preferable to scanning in speed
  • • required practice - neck muscles should get stonger with practice increasing accuracy and stamina • can consider other body parts if motor control present (user preference) • set custom settings in dwell software • in control panel of computer • increase cursor, icon and font size - may decrease as proficiency increases • set speed of acceleration, mouse trails, “snap to”
  • • mounting for both desktop and laptop • type of jackes and operating system • “ tethered” to the computer • compatibility of software to computer
  • • must install webcam before Camera Mouse software - requires 800MHz Intel Pentium or Celeron processor, 128 MB RAM (256 preferred), 20 MB hard drive space and USB port • tracks best within 3 feet of camera • software requires registration number from TASH which requires several days • tracks any body part - set for individual user • may need to customize camera settings such as brightness and video image - these will vary depending on camera used • variety of control settings including dwell time, gain (cursor movement), and smoothing (control jittery movement • clicking and indicator sounds available for feedback • two modes of operation - tracking mode (turning head motion into cursor movement) and stationary mode (other body part for pointing)
  • • Camera mount on monitor or laptop • Operates under any light conditions • Auto click can be disabled to allow for mous, switch , or gesture activation clicks • Can set ablolute center • Zoom can be set to enlarge area wheere cursor is located for easier access • HandiEye available - does not have zoom feature
  • • Click can be accomplished with sip/puff or external switch • very accurate - good for drawing programs and games • can be used with PS/2 and USB through adapters available from other sources • set mouse switches/remote • low/medium, high sensitivity settings • control box sits on monitor; laptop mount extra • Prentke Romich devices currently can be purchased with Tracker built-in
  • • clicks accomplished with dwell software or one or two single action switches with stereo adapter; optional wireless sip/puff available • supports integrated infrared receiver for use with Wireless Switch Transmitter which supports 3 switches • connects using standard A to Mini B USB • dip switches on back are factory set to ON 1 = mouse gain for limited head movement 2 = no function at present 3 = disables bult in sensor (for overhead mounting) 4 = used in conjunction with 3 to indicate cable orientation • metal mounting bracket ships with device to mount to labtops; mount to monitor with polylock; other amount available from company • red LED indicates searching in progress; green LED indicates tracking in progress
  • • uses two AA batteries for power • trackball built into transmitter - toggle between trackball and head pointer using MODE button • transmitter and receiver units both sit on flat surface, facing each other no more than 2 meters apart without obstruction • left and right buttons on transmitter act as right and left mouse clicks; two switch jacks in back accept single action switches • On button on transmitter box - 3 second delay before activates; OFF - press both MODE and SPEED buttons simultaneously; unit will power off automatically after 8 minutes of nonuse • speed control operates only on the head pointer; speed reduces each time button is pressed; after 5 presses maximun speed is resumed • ships with InGrid Lite - partial version of InGrid oncscreen keyboard and Mouse Dragger dwell software
  • • Windows 2000, ME or XP; Mac OS10.2 • Comes with headband with sensor and microphne attached • Can be used off headband as long as orientation is horizontal • Can be used upside down but cursor move in opposite direction • Left click - quick puff, right click - medium puff, Right (or left) click long puff • Microphone gain is adjustable for enviromental noise • LED on sensor lights when puffs oof air detected; for practice sensor can be faced toward user for feedback. • Mouse or trackpad still active when Lazee Mouse is active • Switch activated model can be with one or two switches • Two year warranty
  • • 3 models available - AT has most features • Flexible mounting stand and clip for easy removable • Free software upgrade - downloadable from website • Finger access optional • LED feedback - 3 different colors indicate status; case underside indicates absolute or relative setting • 2 sizes of targets - adjust for larger size in control panel • Virtual Keyboard - low end onscreen keyboard sent with device • Control Panel - many adjustable features Quick Access panel - for quick adjustments including User profile, dwell on, status bar with HotKey assignments, cursor position Setup - run at startup, run minimized, use mini panel,set profiles for different users Movement - adjusts cursor movement specific to user, positioning either absolute 9 fixed relationship between cursor/user or Relative as regular mouse (better for new users) Clicking - adjusts Hotkeys, remap mouse keys, switch setting, dwell settings, sticky activated, double click assist Behavior - set hot keys, start at center, click on release functions Gravity - snaps cursor to close icons (adjustable) tracking - adjusts settng that affect cursor tracking including light filtering and background interference, set type of dot, preferred object size in pixels, dwell options • developing voice-activated model
  • • works with Sip/Puff or Cheek Switch using WISP 2000 or one or two single action switches using stero adapter • ScreenDoors onscteen keyboard and Magic Cursor dwell software demo - 30 day trial • four dip switches mouse mode joystick mode • Can be set to use IntelliPoint
  • • works with Sip/Puff or Cheek Switch using WISP 2000 or one or two single action switches using stero adapter • ScreenDoors onscteen keyboard and Magic Cursor dwell software demo - 30 day trial • several mount options - comes with mounting brcket or polylock to laptop or desktop • accelerated cursor speed control on device (gross adjustment) - use mouse control panel to fine turn • will work with USB hub if it has external power • Can be set to use IntelliPoint
  • Using Your Head

    1. 1. Using Your Head Head Tracking Options for Computer Access Anne Banton, OTR/L, MS, ATP Matthew Press, OTR/L, MHS, ATP
    2. 2. Presented by: <ul><li>Assistive Technology Educational Network (ATEN) </li></ul><ul><li>A Specialized Center in the Florida Diagnostic and Learning Resource System (FDLRS) </li></ul><ul><li>http://www. aten . scps ATENDBIndex .html </li></ul>
    3. 3. Why Head Tracking? <ul><li>Inability to access keyboard </li></ul><ul><li>Direct selection method </li></ul>
    4. 4. Client Considerations <ul><li>Moderate head control </li></ul><ul><ul><li>Control of movement </li></ul></ul><ul><ul><li>Maintain position for time period </li></ul></ul><ul><li>Functional vision </li></ul><ul><ul><li>Cursor (finding & tracking) </li></ul></ul><ul><ul><li>Screen </li></ul></ul>
    5. 5. Hardware Considerations <ul><li>Ease of mounting </li></ul><ul><li>Type and age of computer </li></ul><ul><li>Need for external power </li></ul><ul><li>Software requirements </li></ul>
    6. 6. Camera Mouse <ul><li>Software-based system using Web Cam </li></ul><ul><li>No headgear required - tracks facial feature </li></ul><ul><li>Requires powerful computer </li></ul><ul><li>No onscreen keyboard but Dwell software included </li></ul><ul><li>booth </li></ul>
    7. 7. HandiEye Pro <ul><li>Software-based USB camera </li></ul><ul><li>No headgear required - tracks facial features </li></ul><ul><li>PC with 500 MHz processor, 125 Mb RAM </li></ul><ul><li>No onscreen keyboard but dwell (auto-click) software included </li></ul><ul><li>Gesture (head) movement click available </li></ul><ul><li>Zoom at cursor position </li></ul><ul><li>booth </li></ul>
    8. 8. HeadMaster Plus <ul><li>Ultrasonic input method (requires head gear) </li></ul><ul><li>Access to both PC/MAC (ADB/Serial/PS2/USB) </li></ul><ul><li>Requires external power </li></ul><ul><li>Requires wireless adapter to NOT be connected to computer </li></ul><ul><li>Dwell/onscreen keyboard not included </li></ul><ul><li>Can be used with AAC devices </li></ul><ul><li>No user feedback </li></ul><ul><li>booth </li></ul>
    9. 9. HeadMouse Extreme <ul><li>Access to both PC/MAC (USB) </li></ul><ul><li>Slim/Small design </li></ul><ul><li>Dwell/onscreen keyboard demo versions </li></ul><ul><li>Interfaces with AAC devices (USB) </li></ul><ul><li>booth </li></ul>
    10. 10. HeadWay <ul><li>Tilt sensor on headband </li></ul><ul><ul><li>Shake head up and down </li></ul></ul><ul><ul><li>Tilt to the left and right (not rotate) </li></ul></ul><ul><li>PC only (PS/2) </li></ul><ul><li>Includes demo onscreen keyboard, but no dwell software </li></ul><ul><li>No user feedback </li></ul><ul><li>Interfaces with AAC devices with PS2 with switch for clicking </li></ul><ul><li>booth </li></ul>
    11. 11. Lazee Mouse Pro <ul><li>Tilt sensor on headset </li></ul><ul><ul><li>Tilt head back, forward, left or right </li></ul></ul><ul><li>Mac, PC or AAC device with USB connection </li></ul><ul><li>Two models - voice activated mouse click with right click and drag or left click and drag </li></ul><ul><li>No user feedback, except for practice </li></ul><ul><li>Also available in switch activated models </li></ul><ul><ul><li>booth </li></ul></ul>
    12. 12. Smart-NAV 3AT <ul><li>Infrared signal (two sizes of “dots”) </li></ul><ul><li>Access both PC/MAC (USB) </li></ul><ul><li>Comes with customizable software for PC </li></ul><ul><li>Requires RJ Cooper software for MAC </li></ul><ul><li>Includes limited onscreen keyboard and full dwell software </li></ul><ul><li>Interfaces with computer based AAC devices </li></ul><ul><li>Easy to adjust for different view angles </li></ul><ul><li>booth </li></ul>
    13. 13. Tracker 2000 <ul><li>Infrared signal </li></ul><ul><li>Access Mac/PC (ADB, serial, PS/2) </li></ul><ul><li>Requires AC power </li></ul><ul><li>Comes with demo onscreen and dwell software </li></ul><ul><li>Interfaces with AAC device </li></ul><ul><li>Settings for joystick mode </li></ul><ul><li>booth </li></ul>
    14. 14. Tracker Pro <ul><li>Infrared signal </li></ul><ul><li>Small design </li></ul><ul><li>Easy to adjust for different view angles </li></ul><ul><li>Access Mac/PC or AAC (USB) </li></ul><ul><li>Comes with onscreen and dwell demo software </li></ul><ul><li>Built into Prentke Romich AAC products </li></ul><ul><li>booth </li></ul>
    15. 15. Manufacturers TASH, Inc. 3512 Mayland Court Richmond, VA 23233 800-463-5685 MouseVision, Inc. 52 Tanbark Road Sudbury, MA 01776 Prentke Romich Inc. 1022 Heyl Road Wooster, OH 44691 800-262-1933 www.prentrom .com Origin Instruments Company 854 Greenview Drive Grand Prairie, TX 75050-2438 972-606-8740 www. orin .com/access Infogrip. Inc. 1794 East Main Street Ventura, CA 93001 800-397-0921 LaZee Tec LLC PQ Box 350 Ashley, IN 46747
    16. 16. Manufactures <ul><li>NaturalPoint </li></ul><ul><li>33872 SE Eastgate Circle </li></ul><ul><li>Corvallis, OR 97333 </li></ul><ul><li>888-165-5535 </li></ul><ul><li>www. naturalpoint .com </li></ul><ul><li>Madentec Limited </li></ul><ul><li>4664 99 Street </li></ul><ul><li>Edmonton, Alberta </li></ul><ul><li>Canada T6N 5H5 </li></ul><ul><li>877-623-3682 </li></ul><ul><li>www. madentec .com </li></ul>
    17. 17. References/Resources <ul><li>www.ace- centre .org. uk / headpointers / headhome .asp </li></ul><ul><li>Alliance for technology Access (2000). C omputer and Web Resources for People with Disabilities: A guide to Exploring Today’s Assistive Technology, 3rd Edition. Alameda CA: Hunter House Publishers. </li></ul><ul><li>Cook, A.C. & Hussey, S.M. (2002). Assistive Technologies Principles and Practice , 2nd Edition. St. Louis,MO: Mosby. </li></ul><ul><li>Male, M. (2003). Technology for Inclusion: Meeting the Special Needs of All Students , 4th Edition. Boston, MA: Pearson Educational Group. </li></ul><ul><li>Pfrommer, Walter.”Tracking my head - Head trackers compared: A user’s perspective”, Closing the Gap, June/July 2005 </li></ul>