We present a hierarchical model for human activity recognition in entire multi-person
scenes. Our model describes human behaviour at multiple levels of detail, ranging from low …

Human group activities detection in multi-camera CCTV surveillance videos is a pressing
demand on smart surveillance. Previous works on this topic are mainly based on camera …

Small group people activity recognition has attracted much attention in computer vision
community in recent years, since it has great potential in public security applications …

Taking care of elders in a nursing home is not an easy task. Caregivers face two major
problems: a lack of awareness of the situations surrounding the elderly care and the lack of …

Pervasive computing envisions implicit interaction between people and their intelligent
environments instead of between individuals and their devices, inevitably leading to groups …

Multimedia content analysis is essential in a wide range of applications, including
information retrieval, surveillance, robotics, automation, and so on. A general objective of …