Search Results for author: Songmin Dai

Found 6 papers, 3 papers with code

Learning Segmentation Masks with the Independence Prior

no code implementations12 Nov 2018 Songmin Dai, Xiaoqiang Li, Lu Wang, Pin Wu, Weiqin Tong, Yimin Chen

We get appealing results in both tasks, which shows the independence prior is useful for instance segmentation and it is possible to unsupervisedly learn instance masks with only one image.

Foreground Segmentation Instance Segmentation +3

Unsupervised Learning of Multi-level Structures for Anomaly Detection

no code implementations25 Apr 2021 Songmin Dai, Jide Li, Lu Wang, Congcong Zhu, Yifan Wu, Xiaoqiang Li

This paper first introduces a novel method to generate anomalous data by breaking up global structures while preserving local structures of normal data at multiple levels.

Anomaly Detection

Generating and Reweighting Dense Contrastive Patterns for Unsupervised Anomaly Detection

no code implementations26 Dec 2023 Songmin Dai, Yifan Wu, Xiaoqiang Li, xiangyang xue

Recent unsupervised anomaly detection methods often rely on feature extractors pretrained with auxiliary datasets or on well-crafted anomaly-simulated samples.

Unsupervised Anomaly Detection

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