Unified Deep Discrete Representation Learning Framework

Authors: Long Tung Vuong, Bang Giang Le, Vy Vo, Anh Tuan Bui, Viet Cuong Ta, Thanh-Toan Do, Dinh Phung, Trung Le
Primary area: unsupervised, self-supervised, semi-supervised, and supervised representation learning
Keywords: discrete representation learning

Abstract:
Recent years have seen significant success of deep discrete representation learning across a broad range of domains. Existing frameworks typically operate on flat latents, overlooking the hierarchical structure within discrete latent spaces, which if effectively exploited could yield richer and more expressive representations. This work contributes a novel hierarchical discrete representation learning framework that flexibly generalizes to a variety of tasks and demonstrates effectiveness across diverse applications. We provide a theoretical analysis on sample complexity and additionally study the effect of codebook utilization on task performance. We offer practical insights into how these factors interplay in different learning scenarios.

Decision: withdrawn
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