Artificial Intelligence

   

Feature Extraction by Linear Embedding for One-Class Classification

Authors: Jong-Phil Sim, Song-Chun Pang, Son-Myong Hwang

In this paper, we mainly propose feature extraction algorithm by linear embedding from the outside new data. The formulation of this algorithm aims at minimizing pairwise distances of feature points. To enhance the performance of nonlinear feature learning, we also incorporate the neighborhood reconstruction error to preserve local topology structures. To enhance our algorithm to extract local features from the outside new data, we also add a feature approximation error that correlates features with embedded features by the jointly learnt feature extractor. Thus, the learnt linear extractor can extract the local features from the new data efficiently by direct embedding. To optimize the proposed objective function, we use Eigen-decomposition. Extensive simulation results verify the effectiveness of our algorithm, compared with other related feature learning techniques.

Comments: 11 Pages.

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[v1] 2024-07-24 20:19:30

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