Search Results for author: K. C. Ho

Found 2 papers, 0 papers with code

Robust Ellipse Fitting Based on Maximum Correntropy Criterion With Variable Center

no code implementations24 Oct 2022 Wei Wang, Gang Wang, Chenlong Hu, K. C. Ho

For single ellipse fitting, we formulate a non-convex optimization problem to estimate the kernel bandwidth and center and divide it into two subproblems, each estimating one parameter.

Multiple Instance Dictionary Learning for Beat-to-Beat Heart Rate Monitoring from Ballistocardiograms

no code implementations11 Jun 2017 Changzhe Jiao, Bo-Yu Su, Princess Lyons, Alina Zare, K. C. Ho, Marjorie Skubic

A multiple instance dictionary learning approach, Dictionary Learning using Functions of Multiple Instances (DL-FUMI), is used to perform beat-to-beat heart rate estimation and to characterize heartbeat signatures from ballistocardiogram (BCG) signals collected with a hydraulic bed sensor.

Dictionary Learning Heart rate estimation +1

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