Review & PResentation
Luxapose: Indoor Positioning with Mobile Phones and Visible Light Ye-Sheng Kuo, Pat Pannuto, Ko Jen Hsiao, and Prabal Dutta University of Michigan
Review & PResentation
Luxapose: Indoor Positioning with Mobile Phones and Visible Light Ye-Sheng Kuo, Pat Pannuto, Ko Jen Hsiao, and Prabal Dutta University of Michigan
outline Luxapose
outline Background ~ Luxapose ~ Big Picture Architecture Analogy, Rolling Shutter & Localization Principle Implementation & Evaluation Discussion on Limitation, Optimization & Demo Concluding Remarks
What is Luxapose Modified LED & Unmodified Camera
Angle of Arrival
Existing techniques
Barrier Problem
Barrier Problem
Using VLC for Positioning
Emerging Retail Environment
Localization accuracy using testbed
The Big Picture
outline Background ~ Luxapose ~ Big Picture Architecture Analogy, Rolling Shutter & Localization Principle Implementation & Evaluation Discussion on Limitation, Optimization & Demo Concluding Remarks
Architecture Analogy
Rolling Shutter
Localization Principle
Find Scaling Factors for all Transmitter
Find receiver’s location and orientation
outline Background ~ Luxapose ~ Big Picture Architecture Analogy, Rolling Shutter & Localization Principle Implementation & Evaluation Discussion on Limitation, Optimization & Demo Concluding Remarks
Led Luminaries
Camera –
why not google glass ios android
Nokia Lumia 1020 7712 X 5350 Pixel
Mobile Reciver – CMOS rolling Shutter
Cloudlet – Image Processing
Putting it all together
Decimeter Location Accuracy
High Orientation Accuracy
Accuracy is affected by installation error
Locate the model Train
Accuracy is affected by motion
outline Background ~ Luxapose ~ Big Picture Architecture Analogy, Rolling Shutter & Localization Principle Implementation & Evaluation Discussion on Limitation, Optimization & Demo Concluding Remarks
This is what they have done to test
small Demo
Limitation
Optimization Perform local processing
Optimization Perform local processing
LUXAPOSE – Future Work
# 1.
Optimization Algorithm, Image Processing, Local Processing
# 2.
Porting it to ios/Android
# 3.
Integrating with iBeacon
Concluding remark
Back uP sliDes Luxapose