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A Criterion for Optimizing Kernel Parameters in KBDA for Image Retrieval
2005
IEEE Transactions on Systems Man and Cybernetics Part B (Cybernetics)
A criterion is proposed to optimize the kernel parameters in Kernel-based Biased Discriminant Analysis (KBDA) for image retrieval. Kernel parameter optimization is performed by optimizing the kernel space such that the positive images are well clustered while the negative ones are pushed far away from the positives. The proposed criterion measures the goodness of a kernel space, and the optimal kernel parameter set is obtained by maximizing this criterion. Retrieval experiments on two benchmark
doi:10.1109/tsmcb.2005.846660
pmid:15971923
fatcat:tg2sg6fdmvhdlhvmj5fghqp6wu