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Som Sagar

6 accepted papers

2026

Uncovering Robot Vulnerabilities through Semantic Potential Fields

ICLR 2026poster

Robot manipulation policies, while central to the promise of physical AI, are highly vulnerable in the presence of external variations in the real world. Diagnosing these vulnerabilities is hindered by two key challenges: (i) the relevant variations to test against are often unknown, and (ii) direct…

Cited by 0SourceScholar
2026

Viewpoint-Agnostic Manipulation Policies with Strategic Vantage Selection

ICRA 2026poster

Since vision-based manipulation policies are typically trained from data gathered from a single viewpoint, their performance drops when the view changes during deployment. Naively aggregating demonstrations from numerous random views is not only costly but also known to destabilize learning, as exce…

2025

BaTCAVe: Trustworthy Explanations for Robot Behaviors

IROS 2025

Black box neural networks are an indispensable part of modern robots. Nevertheless, deploying such high-stakes systems in real-world scenarios poses significant challenges when the stakeholders, such as engineers and legislative bodies, lack insights into the neural networks’ decision-making process

Cited by 1SourcecodeScholar
2025

Explainable Concept Generation through Vision-Language Preference Learning for Understanding Neural Networks' Internal Representations

ICML 2025poster

Understanding the inner representation of a neural network helps users improve models. Concept-based methods have become a popular choice for explaining deep neural networks post-hoc because, unlike most other explainable AI techniques, they can be used to test high-level visual "concepts" that are…

Cited by 0SourcePDFScholar
2025

PAC Bench: Do Foundation Models Understand Prerequisites for Executing Manipulation Policies?

NeurIPS 2025poster

Vision-Language Models (VLMs) are increasingly pivotal for generalist robot manipulation, enabling tasks such as physical reasoning, policy generation, and failure detection. However, their proficiency in these high-level applications often assumes a deep understanding of low-level physical prerequi…

Cited by 0SourceScholar
2024

Failures Are Fated, But Can Be Faded: Characterizing and Mitigating Unwanted Behaviors in Large-Scale Vision and Language Models

ICML 2024spotlight

In large deep neural networks that seem to perform surprisingly well on many tasks, we also observe a few failures related to accuracy, social biases, and alignment with human values, among others. Therefore, before deploying these models, it is crucial to characterize this failure landscape for eng…