Spatio-activity based object detection

Details Spatio-activity based object detection Spatio-activity based object detection

2008-03-11

arxiv.org/abs/0803.1586v1

Computer Science

Computer Vision and Pattern Recognition

To be submitted to: AVSS 2008 conference

Scientific paper

We present the SAMMI lightweight object detection method which has a high level of accuracy and robustness, and which is able to operate in an environment with a large number of cameras. Background modeling is based on DCT coefficients provided by cameras. Foreground detection uses similarity in temporal characteristics of adjacent blocks of pixels, which is a computationally inexpensive way to make use of object coherence. Scene model updating uses the approximated median method for improved performance. Evaluation at pixel level and application level shows that SAMMI object detection performs better and faster than the conventional Mixture of Gaussians method.

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