A probabilistic logic programming event calculus
We present a system for recognising human activity given a symbolic representation of video
content. The input of our system is a set of time-stamped short-term activities (STA) detected
on video frames. The output is a set of recognised long-term activities (LTA), which are pre-
defined temporal combinations of STA. The constraints on the STA that, if satisfied, lead to
the recognition of an LTA, have been expressed using a dialect of the Event Calculus. In
order to handle the uncertainty that naturally occurs in human activity recognition, we …
content. The input of our system is a set of time-stamped short-term activities (STA) detected
on video frames. The output is a set of recognised long-term activities (LTA), which are pre-
defined temporal combinations of STA. The constraints on the STA that, if satisfied, lead to
the recognition of an LTA, have been expressed using a dialect of the Event Calculus. In
order to handle the uncertainty that naturally occurs in human activity recognition, we …
[引用][C] A probabilistic logic programming event calculus
J Filippou, A Artikis, A Skarlatidis, G Paliouras - … Online] Available from: http://arxiv. org …, 2012
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