idtracker.ai: Tracking all individuals in large collectives of unmarked animals
idtracker.ai: Tracking all individuals in large collectives of unmarked animals
Our understanding of collective animal behavior is limited by our ability to track each of the individuals. We describe an algorithm and software, idtracker.ai, that extracts from video all trajectories with correct identities at a high accuracy for collectives of up to 100 individuals. It uses two deep networks, one …