Video Analysis - Motion Prediction and Object Tracking

Monday, November 28, 2022 2 p.m. to 3 p.m.

Speaker: Dr. Mohsen Zand

From: Robotics and Computer Vision (RCV) Lab, Queen's University

Abstract

A variety of applications, including moving object detection, motion prediction, object tracking, motion segmentation, event detection, and behavior understanding, are addressed in the current research disciplines of video analysis and interpretation. In this talk, I will focus on motion prediction and object tracking, which are essential components for a variety of applications, including autonomous driving, security and surveillance, traffic control, UAV navigation, and assistive robotics.

The human motion prediction problem aims to estimate a graph of human joint values at some future time. When modeling human motion, the positions of the joints in the predicted frames generally depend on both the temporal smoothness and the bio-mechanical dynamics of human motion. Nevertheless, modeling the spatio-temporal correlations over multiple frames is a challenging issue.

Tracking moving objects over space and time is fundamental for understanding the dynamic visual world, which has many practical applications in forecasting complex trajectories. It however remains a challenging task to automate since the underlying relationships or dynamical model evolve over time into a stochastic sequential process with a high degree of inherent uncertainty.

In this talk, I'll discuss how we've recently deployed cutting-edge technologies like normalizing flows and diffusion models to address these issues.

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