CMMD

该数据集名为中国乳腺钼靶数据库（CMMD），包含了1,775项研究中的5,202张筛查乳腺钼靶图像。其中，有1,172张非恶性的乳腺图像和2,728张恶性的筛查图像。在数据采样方面，采用了分层抽样方法，训练集中包含了498张良性图像和1,157张恶性图像的同侧视图样本，而在测试集中则有88张良性图像和205张恶性图像的同侧视图样本。该数据集的规模为5,202张图像，其任务是进行乳腺钼靶图像的分类。

This dataset is named the China Mammography Database (CMMD), which contains 5,202 screening mammography images derived from 1,775 studies. Among these images, 1,172 are non-malignant breast images and 2,728 are malignant screening mammography images. For data sampling, stratified sampling was employed. The training set comprises ipsilateral view samples of 498 benign images and 1,157 malignant images, while the test set includes 88 benign images and 205 malignant ipsilateral view samples. The total size of this dataset is 5,202 images, and its downstream task is mammography image classification.