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The cosine similarity measure is widely used in big data analysis to compare vectors. In this article a new set of vector similarity measures are proposed. New vector similarity measures are based on a multiplication-free operator which requires only additions and sign operations. A vector ‘product’ using the multiplication-free operator is also defined. The new vector product induces the ℓ1-norm...
Most sign language recognition systems that use gloves and hand trackers combine the data from both devices at the sensor level. In this paper we propose a new approach by combining information acquired from the gloves and the hand tracking systems at the decision level using the Dempster-Shafer theory of evidence. The results using the Dempster-Shafer on the recognition of 100 two-handed signs show...
Port state control (PSC) inspection is the most important mechanism to ensure world marine safe. Recently, some SVM-based risk assessment systems have been presented in the world. They estimate the risk of each candidate ship based on its generic factors and history inspection factors to select high-risk one before conducting on-board PSC inspection. However, how to improve the performance of the...
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