Search Results for author: Shogo Tokai

Found 2 papers, 0 papers with code

Frequency-Guided Multi-Level Human Action Anomaly Detection with Normalizing Flows

no code implementations26 Apr 2024 Shun Maeda, Chunzhi Gu, Jun Yu, Shogo Tokai, Shangce Gao, Chao Zhang

We introduce the task of human action anomaly detection (HAAD), which aims to identify anomalous motions in an unsupervised manner given only the pre-determined normal category of training action samples.

Anomaly Detection

PMSSC: Parallelizable multi-subset based self-expressive model for subspace clustering

no code implementations24 Nov 2021 Katsuya Hotta, Takuya Akashi, Shogo Tokai, Chao Zhang

Subspace clustering methods which embrace a self-expressive model that represents each data point as a linear combination of other data points in the dataset provide powerful unsupervised learning techniques.

Clustering

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