xChangeEECS 441

Team JAM

Jeremy OuilletteAli Khalil

Michael Bader

11 April 2012

Agenda1. What is the Pain?2. How does xChange solve the pain?3. Demonstration4. What did xChange teach us?5. What features does xChange have?6. What are our next steps?7. Summary/Conclusion

What is the Pain?

Have a handful of coins but don’t know their worth

Use Cases:1. Travelling to new

countries2. Wanting to count coins

without actually counting3. Young children learning

how to count

How does xChange solve the Pain?

What it does: 1. Take a picture of coins

with a smartphone camera

2. xChange adds up the total value of the coins

3. Convert coins to other currencies

Agenda1. What is the Pain?2. How does xChange solve the pain?3. Demonstration4. What did xChange teach us?5. What features does xChange have?6. What are our next steps?7. Summary/Conclusion

1. Snap picture of coins

2. See the results

3. Convert the Currency

What did xChange teach us?We learned that:

1. Image Recognition is HARD

2. We could have gotten more done if we had prior mobile programming experience

3. Three person teams are very effective

4. We need to create features users want instead of features we think are cool

What features does xChange have?Feature xChange Coin Counting

ApplicationsCurrency Converters

Converts Currency

Add individual coins to get total

Count and sum coins by taking a picture

What are the next steps?

1. Already Submitted to Android Market on 09 Apr 12

2. Fine tune image recognition in bad lighting

3. Add image recognition for other currencies

4. Expand xChange technology to other disciplines (eg. education)

Summary/Conclusion

Xchange

1. Count coins without actually counting!

2. All-in-one application to count and convert

3. Has potential in education as well

The Team

1. Had a lot of fun learning mobile

2. Could have done more if we knew Android and iPhone platform

3. Mobile is the future!

Thank you!