Preprint
Aug 2026
Robust and Efficient Feature Extraction for Spike Sorting via the Walsh-Hadamard Transform
WHT demonstrates greater robustness to noise, downsampling, reduced training size, and distance metric selection, maintaining standard deviations typically below 5%, while CHT and PCA reach up to 10% under high-noise conditions.
Emily L. Yang, Liyuan Guo, Seyed Mohammad Ali Zeinolabedin et al.
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