CheXphoto

CheXphoto comprises a training set of natural photos and synthetic transformations of 10,507 x-rays from 3,000 unique patients that were sampled at random from the CheXpert training set, and a validation and test set of natural and synthetic transformations applied to all 234 x-rays from 200 patients and 668 x-rays from 500 patients in the CheXpert validation and test sets, respectively.

CheXphoto数据集包含训练集以及验证集与测试集：训练集由从CheXpert训练集中随机采样得到的3000名独特患者的10507张X光片的自然照片与合成变换图像构成；验证集与测试集则分别对CheXpert验证集与测试集的全部影像施加自然拍摄与合成变换处理后得到，其中CheXpert验证集包含200名患者的234张X光片，CheXpert测试集包含500名患者的668张X光片。