Unsupervised Vehicle Counting via Multiple Camera Domain Adaptation
This addresses the challenge of scaling vehicle monitoring systems for urban environments, but it appears incremental as it builds on existing domain adaptation techniques.
The paper tackled the problem of vehicle counting in cities by proposing a method to design image-based vehicle density estimators with few labeled data via multiple camera domain adaptation, aiming to improve scalability to city-scale systems.
Monitoring vehicle flows in cities is crucial to improve the urban environment and quality of life of citizens. Images are the best sensing modality to perceive and assess the flow of vehicles in large areas. Current technologies for vehicle counting in images hinge on large quantities of annotated data, preventing their scalability to city-scale as new cameras are added to the system. This is a recurrent problem when dealing with physical systems and a key research area in Machine Learning and AI. We propose and discuss a new methodology to design image-based vehicle density estimators with few labeled data via multiple camera domain adaptations.