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Computational Intelligence and Neuroscience
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Computational Intelligence and Neuroscience
/
2017
/
Article
/
Alg 1
/
Research Article
A Novel Graph Constructor for Semisupervised Discriminant Analysis: Combined Low-Rank and
-Nearest Neighbor Graph
Algorithm 1
Procedure of SDA using combined low-rank and
-nearest neighbor graph.
Input: The whole dataset
, where
samples are labeled
and
are unlabeled ones.
Output: The classification results.
Step 1
. Map the labeled and unlabeled data
to feature space by the LRR algorithm.
Step 2
. Obtain the symmetric graph
by
-nearest neighbor algorithm.
Step 3
. Implement the SDA algorithm for dimensionality reduction.
Step 4
. Execute the nearest neighbor approach for the final classification.