EMNIST

该数据集包含131,600张图像，分为47个平衡的类别，每张图像的尺寸为28x28像素。此外，该数据集被划分为100个独立的簇，每个簇包含11,280张图像，分别代表每个不同客户的专属数据集。整个数据集的规模为131,600张图像，所涉及的任务是分类。

This dataset comprises 131,600 images divided into 47 balanced classes, where each image has a resolution of 28×28 pixels. Furthermore, the dataset is split into 100 independent clusters, each containing 11,280 images, with each cluster corresponding to an exclusive dataset for a unique customer. The total size of this dataset is 131,600 images, and the target task associated with this dataset is classification.