Usage of street-level imagery for city-wide graffiti mapping

Abstract : Graffiti is a common phenomenon in urban scenarios. Differently from urban art, graffiti tagging is a vandalism act and many local governments are putting great effort to combat it. The graffiti map of a region can be a very useful resource because it may allow one to potentially combat vandalism in locations with high level of graffiti and also to cleanup saturated regions to discourage future acts. There is currently no automatic way of obtaining a graffiti map of a region and it is obtained by manual inspection by the police or by popular participation. In this sense, we describe an ongoing work where we propose an automatic way of obtaining a graffiti map of a neighbourhood. It consists of the systematic collection of street view images followed by the identification of graffiti tags in the collected dataset and finally, in the calculation of the proposed graffiti level of that location. We validate the proposed method by evaluating the geographical distribution of graffiti in a city known to have high concentration of graffiti - São Paulo, Brazil.
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Contributor : Eric K. Tokuda <>
Submitted on : Thursday, August 1, 2019 - 6:56:51 PM
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Eric K. Tokuda, Claudio Silva, Roberto Cesar-Jr. Usage of street-level imagery for city-wide graffiti mapping. LatinX in AI Research at ICML 2019, Jun 2019, Long Beach CA, United States. ⟨hal-02243790⟩



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