no code implementations • 24 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.
no code implementations • 11 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.