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Recent advances in video generation models have sparked interest in world models capable of simulating realistic environments. While navigation has been well-explored, physically meaningful interactions that mimic real-world forces remain…

Computer Vision and Pattern Recognition · Computer Science 2025-11-27 Nate Gillman , Charles Herrmann , Michael Freeman , Daksh Aggarwal , Evan Luo , Deqing Sun , Chen Sun

Reasoning-centric video object segmentation is an inherently complex task: the query often refers to dynamics, causality, and temporal interactions, rather than static appearances. Yet existing solutions generally collapse these factors…

Computer Vision and Pattern Recognition · Computer Science 2025-12-03 Yifan Li , Yingda Yin , Lingting Zhu , Weikai Chen , Shengju Qian , Xin Wang , Yanwei Fu

Pretraining Vision-Language-Action (VLA) policies on internet-scale video is appealing, yet current latent-action objectives often learn the wrong thing: they remain anchored to pixel variation rather than action-relevant state transitions,…

Robotics · Computer Science 2026-02-17 Jingwen Sun , Wenyao Zhang , Zekun Qi , Shaojie Ren , Zezhi Liu , Hanxin Zhu , Guangzhong Sun , Xin Jin , Zhibo Chen

Controlling the behavior of text-to-image generative models is critical for safe and practical deployment. Existing safety approaches typically rely on model fine-tuning or curated datasets, which can degrade generation quality or limit…

Computer Vision and Pattern Recognition · Computer Science 2026-04-03 Yaoteng Tan , Zikui Cai , M. Salman Asif

Generative video models achieve high visual fidelity but often violate basic physical principles, limiting reliability in real-world settings. Prior attempts to inject physics rely on conditioning: frame-level signals are domain-specific…

Computer Vision and Pattern Recognition · Computer Science 2026-03-31 Saurabh Pathak , Elahe Arani , Mykola Pechenizkiy , Bahram Zonooz

Activation steering has emerged as a promising alternative for controlling language-model behavior at inference time by modifying intermediate representations while keeping model parameters frozen. However, large-scale evaluations such as…

Computation and Language · Computer Science 2026-05-08 Zehao Jin , Ruixuan Deng , Junran Wang , Xinjie Shen , Chao Zhang

In this work, we propose a unified framework, called Visual Reasoning with Differ-entiable Physics (VRDP), that can jointly learn visual concepts and infer physics models of objects and their interactions from videos and language. This is…

Computer Vision and Pattern Recognition · Computer Science 2021-10-29 Mingyu Ding , Zhenfang Chen , Tao Du , Ping Luo , Joshua B. Tenenbaum , Chuang Gan

Video generative models are increasingly used as world models for robotics, where a model generates a future visual rollout conditioned on the current observation and task instruction, and an inverse dynamics model (IDM) converts the…

Robotics · Computer Science 2026-03-25 Ruixiang Wang , Qingming Liu , Yueci Deng , Guiliang Liu , Zhen Liu , Kui Jia

Causal discovery is at the core of human cognition. It enables us to reason about the environment and make counterfactual predictions about unseen scenarios that can vastly differ from our previous experiences. We consider the task of…

Machine Learning · Computer Science 2020-12-01 Yunzhu Li , Antonio Torralba , Animashree Anandkumar , Dieter Fox , Animesh Garg

Understanding how generative models represent and transform data is a foundational problem in deep learning interpretability. While mechanistic interpretability of discriminative architectures has yielded substantial insights, relatively…

Machine Learning · Computer Science 2026-04-07 Dip Roy , Rajiv Misra , Sanjay Kumar Singh , Anisha Roy

One of the most popular recent areas of machine learning predicates the use of neural networks augmented by information about the underlying process in the form of Partial Differential Equations (PDEs). These physics-informed neural…

Fluid Dynamics · Physics 2025-06-17 Luca Menicali , David H. Richter , Stefano Castruccio

Emotion recognition,as a step toward mind reading,seeks to infer internal states from external cues.Most existing methods rely on explicit signals-such as facial expressions,speech,or gestures-that reflect only bodily responses and overlook…

Computer Vision and Pattern Recognition · Computer Science 2025-07-18 Mengke Song , Yuge Xie , Qi Cui , Luming Li , Xinyu Liu , Guotao Wang , Chenglizhao Chen , Shanchen Pang

We introduce Perception Encoder (PE), a state-of-the-art vision encoder for image and video understanding trained via simple vision-language learning. Traditionally, vision encoders have relied on a variety of pretraining objectives, each…

Machine learning techniques have recently been of great interest for solving differential equations. Training these models is classically a data-fitting task, but knowledge of the expression of the differential equation can be used to…

Dynamical Systems · Mathematics 2024-07-26 James H. Adler , Samuel Hocking , Xiaozhe Hu , Shafiqul Islam

In order to build agents with a rich understanding of their environment, one key objective is to endow them with a grasp of intuitive physics; an ability to reason about three-dimensional objects, their dynamic interactions, and responses…

Artificial Intelligence · Computer Science 2018-04-05 Luis Piloto , Ari Weinstein , Dhruva TB , Arun Ahuja , Mehdi Mirza , Greg Wayne , David Amos , Chia-chun Hung , Matt Botvinick

Spatial reasoning in partially observable environments has often been approached through passive predictive models, yet theories of embodied cognition suggest that genuinely useful representations arise only when perception is tightly…

Artificial Intelligence · Computer Science 2025-04-29 Li Jin , Liu Jia

We develop a framework for incorporating structured graphical models in the \emph{encoders} of variational autoencoders (VAEs) that allows us to induce interpretable representations through approximate variational inference. This allows us…

We present Causal Posterior Estimation (CPE), a novel method for Bayesian inference in simulator models, i.e., models where the evaluation of the likelihood function is intractable or too computationally expensive, but where one can…

Machine Learning · Computer Science 2025-05-28 Simon Dirmeier , Antonietta Mira

Modelling complex physical systems through partial differential equations (PDEs) is central to many disciplines in science and engineering. Yet in most real applications, unknown or incomplete relationships such as constitutive or thermal…

Computational Engineering, Finance, and Science · Computer Science 2026-01-08 Ado Farsi , Nacime Bouziani , David A Ham

We propose a conditional positional encoding (CPE) scheme for vision Transformers. Unlike previous fixed or learnable positional encodings, which are pre-defined and independent of input tokens, CPE is dynamically generated and conditioned…

Computer Vision and Pattern Recognition · Computer Science 2023-02-14 Xiangxiang Chu , Zhi Tian , Bo Zhang , Xinlong Wang , Chunhua Shen