1 January 2001 Automatic measurement of intensity of motion activity of video segments
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Proceedings Volume 4315, Storage and Retrieval for Media Databases 2001; (2001); doi: 10.1117/12.410944
Event: Photonics West 2001 - Electronic Imaging, 2001, San Jose, CA, United States
Abstract
We present a psycho-visual and analytical framework for automatic measurement of motion activity in view sequences. We construct a test-set of video segments by carefully selecting video segments form the MPEG-7 video test set. We construct a ground truth, based on subjective test with naive subjects. We find that the subjects agree reasonably on the motion activity of video segments, which makes the ground truth reliable. We present a set of automatically extractable, known and novel, descriptors of motion activity based on different hypotheses about subjective perception of motion activity. We show that all the descriptors perform well against the ground truth. We find that the MPEG-7 motion activity descriptor, based on variance of motion vector magnitudes, is one of the best in overall performance over the test set.
© (2001) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Kadir A. Peker, Ajay Divakaran, Thomas V. Papathomas, "Automatic measurement of intensity of motion activity of video segments", Proc. SPIE 4315, Storage and Retrieval for Media Databases 2001, (1 January 2001); doi: 10.1117/12.410944; https://doi.org/10.1117/12.410944
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KEYWORDS
Video

Video surveillance

Motion measurement

Quantization

Cameras

Error analysis

Motion analysis

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