Object-Video Streams for Preserving Privacy in Video Surveillance

Authors:
Faisal Z. Qureshi
Affiliations:
-
Venue:
AVSS '09 Proceedings of the 2009 Sixth IEEE International Conference on Advanced Video and Signal Based Surveillance
Year:
2009

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Abstract

This paper presents a framework for preserving privacy in video surveillance. Raw video is decomposed into a background and one or more object-video streams. Object-video streams can be combined to render the scene in a variety of ways: 1) The original video can be reconstructed from object-video streams without any data loss; 2) individuals in the scene can be represented as blobs, obscuring their identities; 3) foreground objects can be color coded to convey subtle scene information to the operator, again without revealing the identities of the individuals present in the scene; 4) the scene can be partially rendered, i.e., revealing the identities of some individuals, while preserving the anonymity of others. We evaluate our approach in a virtual train station environment populated by autonomous, lifelike virtual pedestrians.