1. Streets Ahead
Image Recognition with Google Street View
Matt George

2. Search query
Geocode
StreetView images
Image text
StreetView re-centered
Cache queries
and results
Match to query
Image Recognition
Deep convolutional
neural network
Trained offline on 75,000
labeled images
- More accurate
- Slower evaluation
- Freemium API $
- Fast evaluation
- Slow training
- Needs large
training set

4. Grab nearby images from StreetView API

5. Find text in images

6. Match text to search query + address (“CREAM”, “2399”)

7. Return StreetView pointed at best-matching location

8. StreetsAheadrecognitionrate(%)
Analysis
0
25
50
0
25
50
0
25
50
Blue Bottle & Philz
are less recognizable in
Street View images

9. Thanks
Streets Ahead!

10. Matt George

12. Analysis
Among 77 coffee shops detected by
Streets Ahead:
Location is correct
34%
Location is off by >25º
66%