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Zihao He

15 accepted papers

2026

Bend the Basics: Degradation-Aware Deformable Tokenization for All-in-One Image Restoration

ICML 2026poster

All-in-one image restoration seeks a single model that can recover images degraded by diverse and spatially non-uniform corruptions. However, many unified Transformers rely on fixed patch partitioning: task/degradation condition is injected only into the backbone blocks after tokenization, leaving t…

Cited by 0SourceScholar
2026

Force Policy: Learning Hybrid Force-Position Control Policy under Interaction Frame for Contact-Rich Manipulation

RSS 2026poster

Contact-rich manipulation demands human-like integration of perception and force feedback: vision should guide task progress, while high-frequency interaction control must stabilize contact under uncertainty. Existing learning-based policies often entangle these roles in a monolithic network, tradin…

Cited by 0SourceScholar
2026

Learning Dexterous Manipulation with Quantized Hand State

ICRA 2026poster

Dexterous robotic hands enable robots to perform complex manipulations that require fine-grained control and adaptability. Achieving such manipulation is challenging because the high degrees of freedom tightly couple hand and arm motions, making learning and control difficult. Successful dexterous m…

2025

AirExo-2: Scaling up Generalizable Robotic Imitation Learning with Low-Cost Exoskeletons

CoRL 2025oral

Scaling up robotic imitation learning for real-world applications requires efficient and scalable demonstration collection methods. While teleoperation is effective, it depends on costly and inflexible robot platforms. In-the-wild demonstrations offer a promising alternative, but existing collection…

Cited by 0SourceScholar
2025

BUFF: Bayesian Uncertainty Guided Diffusion Probabilistic Model for Single Image Super-Resolution

AAAI 2025technical

Super-resolution (SR) techniques are critical for enhancing image quality, particularly in scenarios where high-resolution imagery is essential yet limited by hardware constraints. Existing diffusion models for SR have relied predominantly on Gaussian models for noise generation, which often fall sh…

Cited by 0SourcePDFScholar
2025

FoAR: Force-Aware Reactive Policy for Contact-Rich Robotic Manipulation

RA-L 2025

Contact-rich tasks present significant challenges for robotic manipulation policies due to the complex dynamics of contact and the need for precise control. Vision-based policies often struggle with the skill required for such tasks, as they typically lack critical contact feedback modalities like f

Cited by 40SourceScholar
2025

Improving and Assessing the Fidelity of Large Language Models Alignment to Online Communities

NAACL 2025long

Large language models (LLMs) have shown promise in representing individuals and communities, offering new ways to study complex social dynamics. However, effectively aligning LLMs with specific human groups and systematically assessing the fidelity of the alignment remains a challenge. This paper pr…

2025

STEER-BENCH: A Benchmark for Evaluating the Steerability of Large Language Models

EMNLP 2025

Steerability, or the ability of large language models (LLMs) to adapt outputs to align with diverse community-specific norms, perspectives, and communication styles, is critical for real-world applications but remains under-evaluated. We introduce STEER-BENCH, a benchmark for assessing population-sp

Cited by 0SourcePDFScholar
2024

A Novel Iterative Thresholding Algorithm for Arctangent Regularization Problem

ICASSP 2024accepted

In this work, we derive the proximity operator of an arctangent penalty, which is expressed using hyperbolic functions of sine and cosine. This penalty is then applied to sparse signal recovery, and an efficient arctangent regularization iterative thresholding (ARIT) algorithm is proposed, offering…

Cited by 0SourceScholar
2024

Community-Cross-Instruct: Unsupervised Instruction Generation for Aligning Large Language Models to Online Communities

EMNLP 2024main

Social scientists use surveys to probe the opinions and beliefs of populations, but these methods are slow, costly, and prone to biases. Recent advances in large language models (LLMs) enable the creating of computational representations or “digital twins” of populations that generate human-like res…

2024

How Susceptible are Large Language Models to Ideological Manipulation?

EMNLP 2024main

Large Language Models (LLMs) possess the potential to exert substantial influence on public perceptions and interactions with information. This raises concerns about the societal impact that could arise if the ideologies within these models can be easily manipulated. In this work, we investigate how…

2024

Whose Emotions and Moral Sentiments do Language Models Reflect?

ACL 2024findings

Language models (LMs) are known to represent the perspectives of some social groups better than others, which may impact their performance, especially on subjective tasks such as content moderation and hate speech detection. To explore how LMs represent different perspectives, existing research focu…

Cited by 15SourcePDFScholar
2021

Detecting Polarized Topics Using Partisanship-aware Contextualized Topic Embeddings

EMNLP 2021finding

Growing polarization of the news media has been blamed for fanning disagreement, controversy and even violence. Early identification of polarized topics is thus an urgent matter that can help mitigate conflict. However, accurate measurement of topic-wise polarization is still an open research challe…

2021

Speaker Turn Modeling for Dialogue Act Classification

EMNLP 2021finding

Dialogue Act (DA) classification is the task of classifying utterances with respect to the function they serve in a dialogue. Existing approaches to DA classification model utterances without incorporating the turn changes among speakers throughout the dialogue, therefore treating it no different th…

2020

Training Interpretable Convolutional Neural Networks by Differentiating Class-specific Filters

ECCV 2020poster

Convolutional neural networks (CNNs) have been successfully used in a range of tasks. However, CNNs are often viewed as ""black-box"" and lack of interpretability. One main reason is due to the filter-class entanglement -- an intricate many-to-many correspondence between filters and classes. Most ex…