基于卷积神经网络的药片表面缺陷检测
首发时间:2019-01-25
摘要:药片缺陷检测是保证药品质量的重要手段。人工检测存在成本高、效率低、主观性强等问题,而基于模式识别的传统的机器视觉方法虽然相较于人工检测方法有了一定的提高,但仍存在过程复杂、检测精度低等问题。为了解决上述问题,使用基于卷积神经网络的药片表面缺陷检测方法。首先采用CCD工业相机和光电传感器自动采集药片图像,然后对药片图像进行预处理,去除药片图像的噪声,提高药片图像质量。最后,使用卷积神经网络检测药片是否合格,并进一步检测不合格药片的缺陷类型。实验结果表明,在药片表面缺陷检测准确率上,基于卷积神经网络的检测方法相较于传统机器视觉方法提高了近10%。
关键词: 深度学习 卷积神经网络 网络结构 缺陷药片 缺陷分类
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Tablet Surface Defect Detection Based on Convolutional Neural Network
Abstract:Tablet defect detection is an important means to ensure the quality of drugs. There are many problems in manual detection, such as high cost, low efficiency and strong subjectivity. Although the traditional machine vision method based on pattern recognition has improved compared with manual detection method, it still has some problems, such as complex process and low detection accuracy. In order to solve the above problems, a method based on convolution neural network was used to detect the surface defects of tablets. First, the CCD industrial camera and photoelectric sensor are used to automatically collect the image of the tablet, and then the image of the tablet is pre-processed to remove the noise of the tablet image and improve the image quality of the tablet. Finally, a convolutional neural network is used to detect the eligibility of the tablets and to further detect the type of defects in the unqualified tablets. The experimental results show that the detection method based on convolutional neural network can be improved by nearly 10% compared with the traditional machine vision method.
Keywords: Deep learning Convolutional Neural Network (CNN) network structure defect tablets defect classification
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