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http://dx.doi.org/10.5909/JBE.2020.25.5.770

Activated Viewport based Surveillance Event Detection in 360-degree Video  

Shim, Yoo-jeong (Dept. of Electronics and Information Engineering, Korea Aerospace University)
Lee, Myeong-jin (Dept. of Electronics and Information Engineering, Korea Aerospace University)
Publication Information
Journal of Broadcast Engineering / v.25, no.5, 2020 , pp. 770-775 More about this Journal
Abstract
Since 360-degree ERP frame structure has location-dependent distortion, existing video surveillance algorithms cannot be applied to 360-degree video. In this paper, an activated viewport based event detection method is proposed for 360-degree video. After extracting activated viewports enclosing object candidates, objects are finally detected in the viewports. These objects are tracked in 360-degree video space for region-based event detection. The proposed method is shown to improve the recall and the false negative rate more than 30% compared to the conventional method without activated viewports.
Keywords
360-degree video; activated viewport; surveillance event detection; object tracking;
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