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Smart Blueprints: Automatically Generated Maps of Homes and the Devices Within Them Jiakang Lu and Kamin Whitehouse Department of Computer Science University of Virginia June 20, 2012
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Smart Blueprints: Automatically Generated Maps of Homes and the Devices Within Them Jiakang Lu and Kamin Whitehouse Department of Computer Science University.

Jan 15, 2016

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Page 1: Smart Blueprints: Automatically Generated Maps of Homes and the Devices Within Them Jiakang Lu and Kamin Whitehouse Department of Computer Science University.

Smart Blueprints: Automatically Generated Maps of Homes

and the Devices Within Them

Jiakang Lu and Kamin WhitehouseDepartment of Computer Science

University of Virginia

June 20, 2012

Page 2: Smart Blueprints: Automatically Generated Maps of Homes and the Devices Within Them Jiakang Lu and Kamin Whitehouse Department of Computer Science University.

“Snap In” Smart Home

2

Motion

Temperature

Light

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72°F

72°F71°F70°F69°F

“Snap In” Smart Home

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Motion #1

Temperature #1

Light Switch #1

Motion #2

Sunlight Sensor #1

Light Switch #2

72°F

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72°F

69°F

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“Mark and Call” ($2.99 iPhone app store)

[5] Harle, et al

Image from [4] Schindler, et al

Related Work

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72°F

69°F

Smart BlueprintsInfer floor plan from the app’s sensor data

• No specialized deployment tools or process• Only minor modifications to sensor design

Page 8: Smart Blueprints: Automatically Generated Maps of Homes and the Devices Within Them Jiakang Lu and Kamin Whitehouse Department of Computer Science University.

Outline

• Sensor Design• Topological Constraints• Search• Evaluation

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Page 9: Smart Blueprints: Automatically Generated Maps of Homes and the Devices Within Them Jiakang Lu and Kamin Whitehouse Department of Computer Science University.

MotionDoor TemperatureMagnetometer

Page 10: Smart Blueprints: Automatically Generated Maps of Homes and the Devices Within Them Jiakang Lu and Kamin Whitehouse Department of Computer Science University.
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1111

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Outline

• Sensor Design• Topological Constraints• Search• Evaluation

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EW

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EW

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N

S

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N

S

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Page 23: Smart Blueprints: Automatically Generated Maps of Homes and the Devices Within Them Jiakang Lu and Kamin Whitehouse Department of Computer Science University.

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N

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Page 25: Smart Blueprints: Automatically Generated Maps of Homes and the Devices Within Them Jiakang Lu and Kamin Whitehouse Department of Computer Science University.

Outline

• Sensor Design• Topological Constraints• Search• Evaluation

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Demo

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Outline

• Sensor Design• Topological Constraints• Search• Evaluation

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A. B.

C. D.

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Downloaded Floor Plans

12.2 average

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Limitations

• Failed on 1 out of 4 homes• 1 week to converge• Only evaluated light, motion, mag’r sensors• How many sensors required?• Restricted floor plan encoding

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43

12

12

3

1 2

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Page 40: Smart Blueprints: Automatically Generated Maps of Homes and the Devices Within Them Jiakang Lu and Kamin Whitehouse Department of Computer Science University.

Conclusions

• Simple sensors are enough to infer layout– Floor plan– Sensor locations

• Requires small modifications to sensor design– Physical pairing– Mounting strategies

• One step towards a “Snap In” smart home40

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Questions?

(See the demo next!)

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Backup Slides

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Correlation =

𝐴𝐵

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“Snap-In” Smart Home

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72°F

72°F

69°F

72°F

70°F

71°F

71°F