Zhang, H., Mao, H., Long, Y., Yang, W., & Shao, L. (2020). A Probabilistic Zero-Shot Learning Method via Latent Nonnegative Prototype Synthesis of Unseen Classes. IEEE TRANSACTIONS ON NEURAL NETWORKS AND LEARNING SYSTEMS, 31(7), 2361-2375. https://doi.org/10.1109/tnnls.2019.2955157