Place the phone on a street or plaza
Grab an inexpensive Android smartphone and find an elevated spot like a balcony or a window. All occurences of pedestrians, cyclists and other objects in view of the camera are detected. The phone can record for a few minutes or up to several hours hours.
![Screenshot](/images/enclosure_photo.jpg)
Postprocess directly on the phone
Add afterwards a match between image points and spots on a map and the gathered data will be converted to map coordinates.
![Screenshot](/images/postprocess.jpg)
Analyze and visualize datasets on an interactive map
Recorded data can be exported and analyzed conventiently on an interactive map in a browser.
Filtering by object class (pedestrian, bicycle, car, ...) and time is easy. Data is visualized as an heatmap or scatterplot.
![Screenshot](/images/vizpat.png)