Distinctions-646 数据集包含 646 张前景图像，均带有人工标注 alpha 遮罩。该数据集分为训练集（596 张）和测试集（50 张），提供 FG 和 GT，包含一定量的有人物的图像。助力了抠图领域的进一步发展。 该数据集可用于研究 Trimap-free 的抠图算法。

Citation

@InProceedings{Qiao_2020_CVPR,
author = {Qiao, Yu and Liu, Yuhao and Yang, Xin and Zhou, Dongsheng and Xu, Mingliang and Zhang, Qiang and Wei, Xiaopeng},
title = {Attention-Guided Hierarchical Structure Aggregation for Image Matting},
booktitle = {The IEEE Conference on Computer Vision and Pattern Recognition (CVPR)},
month = {June},
year = {2020}
}