Abandoned objects video databases
Events over the weekend in the US were mitigated by “see something, say something”-mindedness of passersby. Even better prompt detection of unusual events by ever more pervasive surveillance video may be achieved through coupling of machine vision-machine learning algorithms. Having a reference dataset is a useful starting point. Here are a quick list of abandoned object datasets.
11 videos of busy, day/night scenes
carefully collected few dozen videos presented in research paper