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Near-Optimal Representation Learning for Hierarchical Reinforcement Learning

ICLR 2019 · Reinforcement learning › Visual and representation RL · approach: Subgoal generation for hierarchical RL · 58 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
use the proposed sub-optimality-bound representation objective instead of the evaluated baselinesgoal-conditioned hierarchical RL · MuJoCo continuous-control navigation taskstask performanceHelped
learn representations from raw top-down images with the proposed objectivehierarchical RL · Ant Maze Imagesrepresentation qualityHelped
use the proposed objective rather than VAE or E2C representation learninghierarchical RL · MuJoCo navigation tasksrepresentation qualityHelped
use the proposed objective rather than end-to-end representation learninghierarchical RL · MuJoCo continuous-control taskstask performanceHelped
use the learned Ant Maze representation on a different environmentthe proposed representation · Reflected Ant Maze and Ant Pushtask performanceHelped
replace the distance-based energy with a dot-product energy (ablation)the proposed representation objective · MuJoCo continuous-control taskstask performanceHurt
use other distance-based variants of the objective (ablation)the proposed representation objective · MuJoCo continuous-control taskstask performanceNo clear effect
vary the beta-VAE hyperparameter (ablation)VAE representation learning · MuJoCo tasks outside the Point environmenttask performanceNo clear effect
use a VAE representation instead of the proposed representationhierarchical RL · high-information state-observation taskstask performanceHurt

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