To label the training_v1 data: (1) Create symlink `ln -s /path/to/training_v1 street_light_labeling/shahin/labelapp/training_v1` (2) Launch server `cd street_light_labeling/shahin/labelapp/ && go run .` (3) Go to http://localhost:8080 and label street lights by clicking on the left image (3b) Before you label, you can see how the previous labels are done by clicking Prev button a few times (4) After add some labels, commit `git commit app.sqlite3`