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Learning deep representations by mutual information estimation and maximization

21 Pith papers cite this work. Polarity classification is still indexing.

21 Pith papers citing it
abstract

In this work, we perform unsupervised learning of representations by maximizing mutual information between an input and the output of a deep neural network encoder. Importantly, we show that structure matters: incorporating knowledge about locality of the input to the objective can greatly influence a representation's suitability for downstream tasks. We further control characteristics of the representation by matching to a prior distribution adversarially. Our method, which we call Deep InfoMax (DIM), outperforms a number of popular unsupervised learning methods and competes with fully-supervised learning on several classification tasks. DIM opens new avenues for unsupervised learning of representations and is an important step towards flexible formulations of representation-learning objectives for specific end-goals.

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representative citing papers

A Unified Geometric Framework for Weighted Contrastive Learning

cs.LG · 2026-05-13 · unverdicted · novelty 8.0

Weighted InfoNCE objectives realize specific target geometries in embedding space, with SupCon producing size-dependent inter-class similarities under imbalance while Soft SupCon and certain continuous variants preserve regular simplex or unique optima.

Multi-Scale Contrastive Learning for Video Temporal Grounding

cs.CV · 2024-12-10 · unverdicted · novelty 6.0

A multi-scale and cross-scale contrastive learning framework uses intra-encoder stage features and a new sampling process to link short-range and long-range video moments for temporal grounding.

ID-Sim: An Identity-Focused Similarity Metric

cs.CV · 2026-04-06 · unverdicted · novelty 5.0

ID-Sim is a new similarity metric that aims to capture human selective sensitivity to identities by training on curated real and generative synthetic data and validating against human annotations on recognition, retrieval, and generative tasks.

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