R-CNN的全称是Region-CNN,它可以说是是第一个成功将深度学习应用到目标检测上的算法。传统的目标检测方法大多以图像识别为基础。 一般可以在图片上使用穷举法选出所所有物体可能出现的区域框,对这些区域框提取特征并使用图像识别方法分类, 得到所有分类成功的区域后,通过非极大值抑制(Non-maximumsuppression)输出结果。

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A current trend in industries such as semiconductors and foundry is to shift their visual inspection processes to Automatic Visual Inspection (AVI) systems, to reduce their costs, mistakes, and dependency on human experts. This paper proposes a two-staged fault diagnosis framework for AVI systems. In the first stage, a generation model is designed to synthesize new samples based on real samples. The proposed augmentation algorithm extracts objects from the real samples and blends them randomly, to generate new samples and enhance the performance of the image processor. In the second stage, an improved deep learning architecture based on Faster R-CNN, Feature Pyramid Network (FPN), and a Residual Network is proposed to perform object detection on the enhanced dataset. The performance of the algorithm is validated and evaluated on two multi-class datasets. The experimental results performed over a range of imbalance severities demonstrate the superiority of the proposed framework compared to other solutions.

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