Prototypical contrastive learning of unsupervised representations

• Main Authors: LI, Junnan, ZHOU, Pan, XIONG, Caiming, HOI, Steven C. H.
• Format: text
• Language: English
• Published: Institutional Knowledge at Singapore Management University 2021
• Subjects: Graphics and Human Computer Interfaces
• Online Access: https://ink.library.smu.edu.sg/sis_research/8993; https://ink.library.smu.edu.sg/context/sis_research/article/9996/viewcontent/2021_ICLR_PCL.pdf
• Institution: Singapore Management University

This paper presents Prototypical Contrastive Learning (PCL), an unsupervised representation learning method that bridges contrastive learning with clustering. PCL not only learns low-level features for the task of instance discrimination, but more importantly, it encodes semantic structures discover...