Search Results for author: John Pfeifer

Found 3 papers, 0 papers with code

Exploring Sub-skeleton Trajectories for Interpretable Recognition of Sign Language

no code implementations3 Feb 2022 Joachim Gudmundsson, Martin P. Seybold, John Pfeifer

Recent advances in tracking sensors and pose estimation software enable smart systems to use trajectories of skeleton joint locations for supervised learning.

Pose Estimation

Histopathology of Third Trimester Placenta from SARS-CoV-2-Positive Women

no code implementations5 Aug 2020 Mai He, Priya Skaria, Kasey Kreutz, Ling Chen, Ian Hagemann, Ebony B. Carter, Indira U. Mysorekar, D Michael Nelson, John Pfeifer, Louis P. Dehner

Results: Twenty-one 3rd-trimester, placentas from SARS-CoV-2-positive women were identified and compared to 20 placentas from SARS-CoV-2-negative women.

A Practical Index Structure Supporting Fréchet Proximity Queries Among Trajectories

no code implementations28 May 2020 Joachim Gudmundsson, Michael Horton, John Pfeifer, Martin P. Seybold

We present a scalable approach for range and $k$ nearest neighbor queries under computationally expensive metrics, like the continuous Fr\'echet distance on trajectory data.

Clustering

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