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Patch SVDD: Patch-level SVDD for Anomaly Detection and Segmentation

2020-06-29 14:19:47
Jihun Yi, Sungroh Yoon
arXiv_CV
           
Abstract

In this paper, we tackle the problem of image anomaly detection and segmentation. Anomaly detection is to make a binary decision whether an input image contains an anomaly or not, and anomaly segmentation aims to locate the defect in a pixel-level. SVDD is a longstanding algorithm for an anomaly detection. We extend its deep learning variant to patch-level using self-supervised learning. The extension enables the anomaly segmentation, and it improves the detection performance as well. As a result, we achieved a state-of-the-art performances on a standard industrial dataset, MVTec AD. Detailed analysis on the proposed method offers a useful insight about its behavior.

Abstract (translated)

URL

https://arxiv.org/abs/2006.16067

PDF

https://arxiv.org/pdf/2006.16067.pdf

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