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ASLLENGE

ASLLENGE. Midway Design review Dec 2 2011. He Zhou Hui Zheng William Mai Xiang Guo Advisor: Professor Patrick Kelly. Outline. Project Overview MDR Specifications Project Progress Software Implementation Hardware Implementation Design Spec Team Roles Timeline Q/A.

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ASLLENGE

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  1. ASLLENGE Midway Design review Dec 2 2011 He Zhou HuiZheng William Mai Xiang Guo Advisor: Professor Patrick Kelly

  2. Outline • Project Overview • MDR Specifications • Project Progress • Software Implementation • Hardware Implementation • Design Spec • Team Roles • Timeline • Q/A

  3. Project Overview

  4. Project Progress MDR goals reached: Hand tracking Some gestures recognition Basic GUI functional A internal testing database Functioning microcontroller

  5. System Requirements (Revised) • Motion Tracking: • Track upper human body • Recognize different human gesture • Translate ASL to English word • Microcontroller: • Accurate A/D conversion • Reliable communication with chosen output interface • Graphical User Interface: • Real-time operation • Display text feedback • Cost • Below $500.

  6. Software Design Flow

  7. GUI Design Progress • Achieved Goals • Created a User Interface window • Display translated text • Display skeletal image • Future Goals/Expandable • 3D Avatar • Voice recognition • Tutorial

  8. Test Database of body parts • Created a hierarchical tree data structure • Nodes contain information including: • Area of tracking • Location of next motion • word associated with it

  9. Hardware Implementation • Increasing the resistance of the flex sensor with bend • Analog signal input to an Arduino Mega 2560 • The Arduino Mega 2560 works as an AD converter • PC captures the signal via USB or Bluetooth Flex Sensor Glove Arduino Mega 2560 9

  10. More detail for Implementation • Impedance buffet with relation at • Digital number display on the Ardunio software is equal to • Experimental result is almost linear from 0 to 5 volts Arduino reading Impedance Buffer

  11. Cost of Major Components 11

  12. Team Roles • He Zhou(CSE): test and integrate software prototype • HuiZheng(CSE): database development and programming • William Mai (EE): build microcontroller to detect finger and palm movements • Xiang (EE): build Arduino board, overall testing, building ASL database, and website administration 12

  13. CDR Deliverables • Complete and expand basic databases for both finger tracking and upper body tracking. • Complete the finger tracking module. • Build a fully functioning system prototype.

  14. Timeline 14

  15. Q&A 15

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