@article{Shiyang Zhou2017ISIJINT-2016-478, title={Learning a Class-specific and Shared Dictionary for Classifying Surface Defects of Steel Sheet}, author={Shiyang Zhou and Youping Chen and Dailin Zhang and Jingming Xie and Yunfei Zhou}, journal={ISIJ International}, volume={57}, number={1}, pages={123-130}, year={2017}, doi={10.2355/isijinternational.ISIJINT-2016-478} }