seniorAnomaly Detection
The Kernel Trick in SVDD.
Updated May 5, 2026
Short answer
Mapping data to high dimensions to find a non-linear boundary[cite: 1].
Deep explanation
Support Vector Data Description (SVDD) finds the smallest sphere enclosing normal data. The kernel trick allows this sphere to have a complex, non-spherical shape in original space[cite: 1].
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