← Search

Suraj Nair

30 accepted papers

2026

Emergence of Human to Robot Transfer in Vision-Language-Action Models

RSS 2026poster

Vision-language-action (VLA) models can enable broad open world generalization, but require large and diverse datasets. It is appealing to consider whether some of this data can come from human videos, which cover diverse real-world situations and are easy to obtain. However, it is difficult to trai…

Cited by 0SourceScholar
2026

π∗0.6π0.6∗\pi^{*}_{0.6}: a VLA That Learns From Experience

RSS 2026poster

Vision–language–action (VLA) models offer a promising path toward general-purpose robots, but achieving the reliability and speed required for practical deployment remains challenging. We present a general-purpose method, RL with Experience and Corrections via Advantage-conditioned Policies (RECAP) …

Cited by 0SourceScholar
2025

$\pi_{0.5}$: a Vision-Language-Action Model with Open-World Generalization

CoRL 2025oral

In order for robots to be useful, they must perform practically relevant tasks in the real world, outside of the lab. While vision-language-action (VLA) models have demonstrated impressive results for end-to-end robot control, it remains an open question how far such models can generalize in the wil…

Cited by 0SourceScholar
2025

FAST: Efficient Action Tokenization for Vision-Language-Action Models

RSS 2025poster

Autoregressive sequence models, such as Transformer-based vision-language action (VLA) policies, can be tremendously effective for capturing complex and generalizable robotic behaviors. However, such models require us to choose a tokenization of our continuous action signals, which determines how th…

Cited by 44PDFScholar
2025

GHIL-Glue: Hierarchical Control with Filtered Subgoal Images

ICRA 2025

Image and video generative models that are pretrained on Internet-scale data can greatly increase the generalization capacity of robot learning systems. These models can function as high-level planners, generating intermediate sub-goals for low-level goal-conditioned policies to reach. However, the

Cited by 9SourcecodeScholar
2025

π₀: A Vision-Language-Action Flow Model for General Robot Control

RSS 2025poster

Robot learning holds tremendous promise to unlock the full potential of flexible, general, and dexterous robot systems. However, bringing robot learning to the level of generality required for effective real-world systems faces major obstacles in terms of data, generalization, and robustness. In thi…

Cited by 2309PDFScholar
2024

DROID: A Large-Scale In-The-Wild Robot Manipulation Dataset

RSS 2024poster

The creation of large, diverse, high-quality robot manipulation datasets is an important stepping stone on the path toward more capable and robust robotic manipulation policies. However, creating such datasets is challenging: collecting robot manipulation data in diverse environments poses logistica…

Cited by 216SourcePDFScholar
2024

From Propeller Damage Estimation and Adaptation to Fault Tolerant Control: Enhancing Quadrotor Resilience

RA-L 2024

Aerial robots are required to remain operational even in the event of system disturbances, damages, or failures to ensure resilient and robust task completion and safety. One common failure case is propeller damage, which presents a significant challenge in both quantification and compensation. In t

Cited by 14SourceScholar
2024

Open X-Embodiment: Robotic Learning Datasets and RT-X Models : Open X-Embodiment Collaboration

ICRA 2024

Large, high-capacity models trained on diverse datasets have shown remarkable successes on efficiently tackling downstream applications. In domains from NLP to Computer Vision, this has led to a consolidation of pretrained models, with general pretrained backbones serving as a starting point for man

Cited by 910SourcecodeScholar
2024

Open X-Embodiment: Robotic Learning Datasets and RT-X Models : Open X-Embodiment Collaboration0

ICRA 2024poster

Large, high-capacity models trained on diverse datasets have shown remarkable successes on efficiently tackling downstream applications. In domains from NLP to Computer Vision, this has led to a consolidation of pretrained models, with general pretrained backbones serving as a starting point for man…

Cited by 259SourcecodeScholar
2024

OpenVLA: An Open-Source Vision-Language-Action Model

CoRL 2024poster

Large policies pretrained on a combination of Internet-scale vision-language data and diverse robot demonstrations have the potential to change how we teach robots new skills: rather than training new behaviors from scratch, we can fine-tune such vision-language-action (VLA) models to obtain robust,…

Cited by 437SourceScholar
2024

Prismatic VLMs: Investigating the Design Space of Visually-Conditioned Language Models

ICML 2024poster

Visually-conditioned language models (VLMs) have seen growing adoption in applications such as visual dialogue, scene understanding, and robotic task planning; adoption that has fueled a wealth of new models such as LLaVa, InstructBLIP, and PaLI-3. Despite the volume of new releases, key design deci…

Cited by 102SourcePDFScholar
2023

Behavior Retrieval: Few-Shot Imitation Learning by Querying Unlabeled Datasets

RSS 2023poster

Enabling robots to learn novel visuomotor skills in a data-efficient manner remains an unsolved problem with myriad challenges. A popular paradigm for tackling this problem is through leveraging large unlabeled datasets that have many behaviors in them and then adapting a policy to a specific task u…

Cited by 34SourcePDFScholar
2023

Language-Driven Representation Learning for Robotics

RSS 2023poster

Recent work in visual representation learning for robotics demonstrates the viability of learning from large video datasets of humans performing everyday tasks. Leveraging methods such as masked autoencoding and contrastive learning, these representations exhibit strong transfer to policy learning f…

2022

Play it by Ear: Learning Skills amidst Occlusion through Audio-Visual Imitation Learning

RSS 2022poster

Humans are capable of completing a range of challenging manipulation tasks that require reasoning jointly over modalities such as vision, touch, and sound. Moreover, many such tasks are partially-observed; for example, taking a notebook out of a backpack will lead to visual occlusion and require rea…

Cited by 34SourcePDFScholar
2022

R3M: A Universal Visual Representation for Robot Manipulation

CoRL 2022poster

We study how visual representations pre-trained on diverse human video data can enable data-efficient learning of downstream robotic manipulation tasks. Concretely, we pre-train a visual representation using the Ego4D human video dataset using a combination of time-contrastive learning, video-langua…

Cited by 615SourcecodeScholar
2021

Cross-language Sentence Selection via Data Augmentation and Rationale Training

ACL 2021long

This paper proposes an approach to cross-language sentence selection in a low-resource setting. It uses data augmentation and negative sampling techniques on noisy parallel sentence data to directly learn a cross-lingual embedding-based query relevance model. Results show that this approach performs…

Cited by 11SourcePDFScholar
2021

Example-Driven Model-Based Reinforcement Learning for Solving Long-Horizon Visuomotor Tasks

CoRL 2021poster

In this paper, we study the problem of learning a repertoire of low-level skills from raw images that can be sequenced to complete long-horizon visuomotor tasks. Reinforcement learning (RL) is a promising approach for acquiring short-horizon skills autonomously. However, the focus of RL algorithms h…

Cited by 29SourceScholar
2021

Greedy Hierarchical Variational Autoencoders for Large-Scale Video Prediction

CVPR 2021poster

A video prediction model that generalizes to diverse scenes would enable intelligent agents such as robots to perform a variety of tasks via planning with the model. However, while existing video prediction models have produced promising results on small datasets, they suffer from severe underfittin…

Cited by 131PDFScholar
2021

Learning Generalizable Robotic Reward Functions from “In-The-Wild” Human Videos

RSS 2021poster

We are motivated by the goal of generalist robots that can complete a wide range of tasks across many environments. Critical to this is the robot's ability to acquire some metric of task success or reward; which is necessary for reinforcement learning; planning; or knowing when to ask for help. For…

Cited by 134SourcePDFScholar
2021

Learning Language-Conditioned Robot Behavior from Offline Data and Crowd-Sourced Annotation

CoRL 2021poster

We study the problem of learning a range of vision-based manipulation tasks from a large offline dataset of robot interaction. In order to accomplish this, humans need easy and effective ways of specifying tasks to the robot. Goal images are one popular form of task specification, as they are alread…

Cited by 170SourceScholar
2021

Model-Based Visual Planning with Self-Supervised Functional Distances

ICLR 2021spotlight

A generalist robot must be able to complete a variety of tasks in its environment. One appealing way to specify each task is in terms of a goal observation. However, learning goal-reaching policies with reinforcement learning remains a challenging problem, particularly when hand-engineered reward fu…

2021

Recovery RL: Safe Reinforcement Learning With Learned Recovery Zones

RA-L 2021

Safety remains a central obstacle preventing widespread use of RL in the real world: learning new tasks in uncertain environments requires extensive exploration, but safety requires limiting exploration. We propose Recovery RL, an algorithm which navigates this tradeoff by (1) leveraging offline dat

Cited by 288SourceScholar
2020

Hierarchical Foresight: Self-Supervised Learning of Long-Horizon Tasks via Visual Subgoal Generation

ICLR 2020poster

Video prediction models combined with planning algorithms have shown promise in enabling robots to learn to perform many vision-based tasks through only self-supervision, reaching novel goals in cluttered scenes with unseen objects. However, due to the compounding uncertainty in long horizon video p…

Cited by 166SourcecodeScholar
2019

Neural Task Graphs: Generalizing to Unseen Tasks From a Single Video Demonstration

CVPR 2019oral

Our goal is to generate a policy to complete an unseen task given just a single video demonstration of the task in a given domain. We hypothesize that to successfully generalize to unseen complex tasks from a single video demonstration, it is necessary to explicitly incorporate the compositional str…

Cited by 173PDFScholar
2019

RoboNet: Large-Scale Multi-Robot Learning

CoRL 2019

Robot learning has emerged as a promising tool for taming the complexity and diversity of the real world. Methods based on high-capacity models, such as deep networks, hold the promise of providing effective generalization to a wide range of open-world environments. However, these same methods typic

Cited by 0SourcePDFScholar
2018

Neural Task Programming: Learning to Generalize Across Hierarchical Tasks

ICRA 2018poster

In this work, we propose a novel robot learning framework called Neural Task Programming (NTP), which bridges the idea of few-shot learning from demonstration and neural program induction. NTP takes as input a task specification (e.g., video demonstration of a task) and recursively decomposes it int…

Cited by 257SourcecodeScholar