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Digital twin worlds with realistic interactive dynamics presents a new opportunity to develop generalist embodied agents in scannable environments with complex physical behaviors. To this end, we present GDGen (Generalized Representation…

Computer Vision and Pattern Recognition · Computer Science 2025-10-20 Yichen Li , Zhiyi Li , Brandon Feng , Dinghuai Zhang , Antonio Torralba

Recent progress in 3D reconstruction has made it easy to create realistic digital twins from everyday environments. However, current digital twins remain largely static and are limited to navigation and view synthesis without embodied…

Computer Vision and Pattern Recognition · Computer Science 2025-12-22 Byungjun Kim , Taeksoo Kim , Junyoung Lee , Hanbyul Joo

Dynamical systems theory and reinforcement learning view world evolution as latent-state dynamics driven by actions, with visual observations providing partial information about the state. Recent video world models attempt to learn this…

Computer Vision and Pattern Recognition · Computer Science 2026-03-25 Zhen Li , Zian Meng , Shuwei Shi , Wenshuo Peng , Yuwei Wu , Bo Zheng , Chuanhao Li , Kaipeng Zhang

Human motion generation involves creating natural sequences of human body poses, widely used in gaming, virtual reality, and human-computer interaction. It aims to produce lifelike virtual characters with realistic movements, enhancing…

Computer Vision and Pattern Recognition · Computer Science 2024-12-17 Jiayi Zhao , Dongdong Weng , Qiuxin Du , Zeyu Tian

Object concepts play a foundational role in human visual cognition, enabling perception, memory, and interaction in the physical world. Inspired by findings in developmental neuroscience - where infants are shown to acquire object…

Computer Vision and Pattern Recognition · Computer Science 2025-05-29 Haoqian Liang , Xiaohui Wang , Zhichao Li , Ya Yang , Naiyan Wang

Representing a scene and its constituent objects from raw sensory data is a core ability for enabling robots to interact with their environment. In this paper, we propose a novel approach for scene understanding, leveraging a hierarchical…

Robotics · Computer Science 2023-02-08 Toon Van de Maele , Tim Verbelen , Pietro Mazzaglia , Stefano Ferraro , Bart Dhoedt

Situationally-aware artificial agents operating with competence in natural environments face several challenges: spatial awareness, object affordance detection, dynamic changes and unpredictability. A critical challenge is the agent's…

Robotics · Computer Science 2025-07-29 Mihai Pomarlan , Stefano De Giorgis , Rachel Ringe , Maria M. Hedblom , Nikolaos Tsiogkas

Articulated objects are fundamental for robotics, simulation of physics, and interactive virtual environments. However, reconstructing them from visual input remains challenging, as it requires jointly inferring both part geometry and…

Robotics · Computer Science 2026-03-17 Zhuangzhe Wu , Yue Xin , Chengkai Hou , Minghao Chen , Yaoxu Lyu , Jieyu Zhang , Shanghang Zhang

Constructing and animating humans is an important component for building virtual worlds in a wide variety of applications such as virtual reality or robotics testing in simulation. As there are exponentially many variations of humans with…

Computer Vision and Pattern Recognition · Computer Science 2021-01-19 Ze Yang , Shenlong Wang , Sivabalan Manivasagam , Zeng Huang , Wei-Chiu Ma , Xinchen Yan , Ersin Yumer , Raquel Urtasun

Understanding and interacting with everyday physical scenes requires rich knowledge about the structure of the world, represented either implicitly in a value or policy function, or explicitly in a transition model. Here we introduce a new…

Recent 3D world modeling systems based on generative scene synthesis, such as Marble, can create coherent and explorable 3D environments, yet their outputs are typically static monolithic assets with limited editability and physical…

Computer Vision and Pattern Recognition · Computer Science 2026-05-18 Jichen Hu , Jiawei Guo , Jiazhong Cen , Chen Yang , Sikuang Li , Wei Shen

A generative recurrent neural network is quickly trained in an unsupervised manner to model popular reinforcement learning environments through compressed spatio-temporal representations. The world model's extracted features are fed into…

Machine Learning · Computer Science 2018-09-07 David Ha , Jürgen Schmidhuber

Human action is naturally compositional: humans can easily recognize and perform actions with objects that are different from those used in training demonstrations. In this paper, we study the compositionality of action by looking into the…

Computer Vision and Pattern Recognition · Computer Science 2020-09-15 Joanna Materzynska , Tete Xiao , Roei Herzig , Huijuan Xu , Xiaolong Wang , Trevor Darrell

Action-conditioned video prediction models (often referred to as world models) have shown strong potential for robotics applications, but existing approaches are often slow and struggle to capture physically consistent interactions over…

Infants are experts at playing, with an amazing ability to generate novel structured behaviors in unstructured environments that lack clear extrinsic reward signals. We seek to mathematically formalize these abilities using a neural network…

Machine Learning · Computer Science 2018-11-01 Nick Haber , Damian Mrowca , Li Fei-Fei , Daniel L. K. Yamins

We introduce NeoWorld, a deep learning framework for generating interactive 3D virtual worlds from a single input image. Inspired by the on-demand worldbuilding concept in the science fiction novel Simulacron-3 (1964), our system constructs…

Computer Vision and Pattern Recognition · Computer Science 2025-09-30 Yanpeng Zhao , Shanyan Guan , Yunbo Wang , Yanhao Ge , Wei Li , Xiaokang Yang

Although modern object detection and classification models achieve high accuracy, these are typically constrained in advance on a fixed train set and are therefore not flexible to deal with novel, unseen object categories. Moreover, these…

Artificial Intelligence · Computer Science 2021-08-27 Toon Van de Maele , Tim Verbelen , Ozan Catal , Bart Dhoedt

Common-sense physical reasoning is an essential ingredient for any intelligent agent operating in the real-world. For example, it can be used to simulate the environment, or to infer the state of parts of the world that are currently…

Machine Learning · Computer Science 2018-03-01 Sjoerd van Steenkiste , Michael Chang , Klaus Greff , Jürgen Schmidhuber

Interactive 3D simulated objects are crucial in AR/VR, animations, and robotics, driving immersive experiences and advanced automation. However, creating these articulated objects requires extensive human effort and expertise, limiting…

Computer Vision and Pattern Recognition · Computer Science 2025-06-03 Long Le , Jason Xie , William Liang , Hung-Ju Wang , Yue Yang , Yecheng Jason Ma , Kyle Vedder , Arjun Krishna , Dinesh Jayaraman , Eric Eaton

In the era of deep learning, data is the critical determining factor in the performance of neural network models. Generating large datasets suffers from various difficulties such as scalability, cost efficiency and photorealism. To avoid…

Computer Vision and Pattern Recognition · Computer Science 2022-10-04 Chahat Deep Singh , Riya Kumari , Cornelia Fermüller , Nitin J. Sanket , Yiannis Aloimonos