中文说明：画出函数的ROC曲线,主要用于图像的显著性检测当中的评价指标，这个是必须要实现的一个评价指标。画出函数的ROC曲线,主要用于图像的显著性检测当中的评价指标，这个是必须要实现的一个评价指标。画出函数的ROC曲线,主要用于图像的显著性检测当中的评价指标，这个是必须要实现的一个评价指标。
English Description：
Draw the ROC curve of the function, which is mainly used for the evaluation index of image saliency detection. This is an evaluation index that must be realized. Draw the ROC curve of the function, which is mainly used for the evaluation index of image saliency detection. This is an evaluation index that must be realized. Draw the ROC curve of the function, which is mainly used for the evaluation index of image saliency detection. This is an evaluation index that must be realized.