HandTalk

1
HandTalk
April Fools!
Jorge
Hemant
Bhargav
Wesley
2
Status Update
New Sensors no analog circuit needed!
Reading user dictionary data from microSD card
Have plan for wiring and powering glove
Wesleys roof is OK!
3
System Architecture
Sensors
Glove
Raw Data
A2D
Bluesentry Device
Quantized Data
Bluetooth Module
Bluetooth Packets
Cellphone
HandTalk Midlet
4
Demo!
Im with stupid
5
Test Cases

1. BlueSentry Lost Connection Test
2. BlueSentry Power-Off Test
3. SD-Card Reading Test
4. Wrong User Input Test
5. Add/Delete Word Test
6. Start-Stop-Start Cycle Test
7. Actual Battery Life

6
Metrics

• Recognition Accuracy
• The ability of the system to accurately detect a
  sign made by the user
• We will measure this by having an impartial user
  sign 10 predetermined symbols and record the
  amount of times the symbol was recognized as
  correct
• System Latency
• Measured system startup time from initiating
  connection to output on screen
• Loaded Dictionary from SD card each time before
  initiating connection

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Initial Results