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At present, relevance feedback (RF) has been widely applied in content-based image retrieval (CBIR) system. Local Regression and Global Alignment (LRGA) is a novel ranking algorithm used in CBIR system which utilizes RF technique. However, there are some problems in LRGA: (1) for handling the problem of out-of-sample, dimension reduction is used after RF, but it is time-consuming; (2) feature space...
Semi-supervised learning is a hot topic in the field of pattern recognition, this paper analyzes an effective classification algorithm – Extreme Learning Machine (ELM). ELM has been widely used in the applications of pattern recognition and data mining for its extremely fast training speed and highly recognition rate. But in most of real-world applications, there are irregular distributions and outlier...
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