1. [emmanuel.thomas, gijs.koot, john.schavemaker}@tno.nl
Where Have I been in Warsaw? Emmanuel Thomas Gijs Koot John Schavemaker
Where have I been in Warsaw ?
[emmanuel.thomas, gijs.koot,

2. Where a picture was taken ?
Where Have I been in Warsaw?
Where a picture was taken ? ?
Solution :
Use a pair matching algorithm between the unknown picture and a reference database containing geotagged pictures (GPS location)
Questions:
How to get the reference pictures ?
How to perform the matching operation ? ?
Where have I been in Warsaw ?

3. Where have I been in Warsaw ?
:10
Where Have I been in Warsaw?
The architecture
CDVS
Reference database
CDVS library
HTTP REST API
CDVS Web Service
Geo-tagged database
GSW scraper
GPS
JPG
Web frontend
Geo-tagged database
Where have I been in Warsaw ?

4. Where have I been in Warsaw ?
:10
Query
Map
Match results
Where have I been in Warsaw ?

5. Future Where Have I been in Warsaw? CDVS Database Performances
9383 pictures
74.8 MB
Performances
Adding pictures
took 2 hours
<1s REST API response
time
Observations
Trees are evil
A high global score is not sufficient
Future
Making the service
public ?
Open sourcing the REST
API?
CDVS.js ?
Where have I been in Warsaw ?