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CONVOLUTIONAL NEURAL NETWORK-BASED MODE SELECTION AND DEFECT CLASSIFICATION FOR IMAGE FUSION
CONVOLUTIONAL NEURAL NETWORK-BASED MODE SELECTION AND DEFECT CLASSIFICATION FOR IMAGE FUSION
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机译:基于卷积神经网络的图像融合模式选择和缺陷分类
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摘要
Systems and methods for classifying defects using hot scans and convolutional neural networks (CNNs) are disclosed. Primary scanning modes are identified by a processor and a hot scan of a wafer is performed. Defects of interest and nuisance data are selected and images of those areas are captured using one or more secondary scanning modes. Image sets are collected and divided into subsets. CNNs are trained using the image subsets. An ideal secondary scanning mode is determined and a final hot scan is performed. Defects are filtered and classified according to the final hot scan and the ideal secondary scanning mode CNN. Disclosed systems for classifying defects utilize image data acquisition subsystems such as a scanning electron microscope as well as processors and electronic databases.
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