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We present Partition-wise Gated Recurrent Units (pGRUs) for point-based trajectory classification to detect real-world trawler fishing activities in the ocean. We propose partition-wise activation functions integrated with Gated Recurrent Units that partitions each feature and uses independent parameters to model distinct regions of the feature space. This approach enables us to leverage the benefits...
Fishing activity detection is important for fishery management to maintain abundant oceans. This paper presents a novel approach to identifying fishing activities from Automatic Identification System (AIS) data using Conditional Random Fields (CRFs). CRFs are popular for solving structured prediction problems such as sequence labeling in natural language processing. To model the conditional probability...
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