A new method which could extract region of interest (ROI) was introduced.Based on partitions of indiscernibility relations and rough approximation, ROI could be extracted automatically and precisely.

• 摘要为实现空瓶检测中感兴趣区域ROI的自动精确标定，介绍了一种基于粗糙集不可分辨关系划分及粗近似进行ROI区域提取的新方法。