The algorithm was proposed in my paper, i.e.,
Xiuyi Jia, Xiang Zheng, Weiwei Li, Changqing Zhang, and Zechao Li. Facial Emotion Distribution Learning by Exploiting Low-Rank Lable Correlations Locally. In: IEEE Conference on Computer Vision and Pattern Recognition, Long Beach, LA, USA, 2019,
pp. 9841–9850.