RTSDE: Recursive total-sum-distances-based density estimation approach and its application for autonomous real-time video analytics

In this paper, we propose a new approach to data density estimation based on the total sum of distances from a data point, and the recently introduced Recursive Density Estimation technique. It is suitable for autonomous real-time video analytics problems, and has been specifically designed to be executed very fast; it uses integer-only arithmetic with no divisions and no floating point numbers (no FLOPs), making it particularly useful in situations where a hardware floating point unit may not be available, such as on embedded hardware and digital signal processors, allowing for high definition video to be processed for novelty detection in real-time.