Abstract
AbstractVideo synopsis offers the possibility to compress long‐term video objects into a short‐term playback. This is beneficial for the quick retrieval and expression of numerous video objects in a virtual geographic environment. However, existing methods do not consider the spatiotemporal relationships among video objects in different cameras. To overcome this problem, we propose optimal virtual viewpoint‐based multi‐camera video synopsis, which involves: locating the camera position and the field of view; constructing a video image observability model to enumerate the observable camera combinations; constructing an evaluation model to optimally select the observable combinations and obtain the virtual viewpoint group; and setting the parameters of the video object display to obtain a multi‐camera video synopsis of a geographic scene. Experimental results showed that our method achieved the rapid display of global motion across cameras with numerous video objects, and always outperformed separate camera‐based video synopsis expression.
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