Gunshi Gupta
Gunshi Gupta
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Conference paper
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2024
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Pretrained Text-to-Image Diffusion Models Are Versatile Representation Learners for Control
Fine-tuning vision-language foundation models has emerged as a powerful approach to leveraging internet-scale data for generalization …
Gunshi Gupta
,
Karmesh Yadav
,
Yarin Gal
,
Dhruv Batra
,
Cong Lu
,
Tim G. Rudner
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ReLU to the Rescue: Improve Your On-Policy Actor-Critic with Positive Advantages
This paper introduces a novel method for enhancing the effectiveness of the Asynchronous Advantage Actor-Critic (A3C) algorithm by …
Andrew Jesson
,
Chris Lu
,
Gunshi Gupta
,
Angelos Filos
,
Jakob Nicolaus Foerster
,
Yarin Gal
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WHAM: World and Human Action Modelling in a Modern Xbox Game
In this work we explore a VQGAN-transfomer based world-and-action model trained on several years of gameplay data in a team based game with complex goals requiring adversarial play and map navigation.
MSR Gaming Intelligence Team
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Can Active Sampling Reduce Causal Confusion in Offline Reinforcement Learning?
Causal confusion is a phenomenon where an agent learns a policy that reflects imperfect spurious correlations in the data. Such a …
Gunshi Gupta
,
Tim G. Rudner
,
Adrien Gaidon
,
Rowan McAllister
,
Yarin Gal
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La-MAML: Look-Ahead Meta-Learning for Continual Learning
In this work we develop a gradient-based meta-learning algorithm for efficient, online continual learning, that is robust and scalable to real-world visual benchmarks.
Gunshi Gupta
,
Karmesh Yadav
,
Liam Paull
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Video
Oral
Probabilistic Object Detection: Strenghts, Weaknesses, and Opportunities
This work surveys recent work in the very nascent field of probabilistic detection and pesents insights and promising avenues for future research in this area.
Dhaivat Bhatt
,
Dishank Bansal
,
Gunshi Gupta
,
Krishna Murthy
,
Liam Paull
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Slides
Source Document
Unifying Variational Inference and PAC-Bayes for Supervised Learning that Scales
This work proposes to train models with imitation learning in such that they come with a PAC-bayes bound as a performance guarantee for the model. It connects the expressions for the PAC bayes bound and the ELBO of a stochastic predictive policy learnt through likelihood maximisation. The model is then trained by minimising the pac-bayes bound as the objective that also doubles as an error bound.
Sanjay Thakur
,
Herke Van Hoof
,
Gunshi Gupta
,
David Meger
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Viewpoint Invariant Junction Recognition using Deep Network Ensembles
This work introduces and formalises the problem of recognising intersections from drastically different viewpoints to enable place recognition for SLAM using a siamese convolutional recurrent architecture trained to classify pairs of short video streams.
Abhijeet Kumar
,
Gunshi Gupta
,
Avinash Sharma
,
Liam Paull
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Video
Geometric Consistency for Self-Supervised End-to-End Visual Odometry
CTCNet proposed using the compositional property of transformations to self-supervise learning of visual odometry from images.
Ganesh Iyer
,
J. Krishna Murthy
,
Gunshi Gupta
,
K. Madhava Krishna
,
Liam Paull
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