Publications

This material is presented to ensure timely dissemination of scholarly and technical work. Copyright and all rights therein are retained by authors or by other copyright holders. All persons copying this information are expected to adhere to the terms and constraints invoked by each author's copyright. In most cases, these works may not be reposted without the explicit permission of the copyright holder.

Search for Publication


Year(s) from:  to 
Author:
Keywords (separated by spaces):

Transferring Activities: Updating Human Behavior Analysis

T. Tommasi, F. Nater, H. Grabner, L. Van Gool, B. Caputo
ICCV Workshop on Visual Surveillance
2011

Abstract

One of the great open challenges in visual recognition is the ability to cope with unexpected stimuli. In this work, we present a technique to interpret detected anomalies and update the existing knowledge of normal situations. The addressed context is the analysis of human behavior in indoor surveillance scenarios, where new activities might need to be learned, once the system is already in operation. Our approach is based on human tracking with multiple activity trackers. The main contribution is to integrate a learning stage, where labeled and unlabeled information is collected and analyzed. To this end we develop a new multi-class version of transfer learning which requires minimal human interaction but still provides semantic labels of the new classes. The activity model is then updated with the new activities. Experiments show promising results.


Download in pdf format
@InProceedings{eth_biwi_00867,
  author = {T. Tommasi and F. Nater and H. Grabner and L. Van Gool and B. Caputo},
  title = {Transferring Activities: Updating Human Behavior Analysis},
  booktitle = {ICCV Workshop on Visual Surveillance},
  year = {2011},
  keywords = {}
}