Abstract
Focusing on the problem of goal event detection in soccer videos, a novel method based on Hidden Markov Model (HMM) and the semantic rule is proposed. Firstly, a HMM for a goal event is constructed. Then a Normalized Semantic Weighted Sum (NSWS) rule is established by defining a new feature of shots, semantic observation weight. The test video is detected based on the HMM and the NSWS rule, respectively. Finally, a fusion scheme based on logic distance is proposed and the detection results of the HMM and the NSWS rule are fused by optimal weights in the decision level, obtaining the final result. Experimental results indicate that the proposed method achieves 96.43% precision and 100% recall, which shows the effectiveness of this letter.
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