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In this paper, we aim to model 3D scene geometry, appearance, and physical information just from dynamic multi-view videos in the absence of any human labels. By leveraging physics-informed losses as soft constraints or integrating simple…

Computer Vision and Pattern Recognition · Computer Science 2025-08-14 Jinxi Li , Ziyang Song , Bo Yang

Reconstructing dynamic driving scenes is essential for developing autonomous systems through sensor-realistic simulation. Although recent methods achieve high-fidelity reconstructions, they either rely on costly human annotations for object…

Computer Vision and Pattern Recognition · Computer Science 2026-03-24 Carl Lindström , Mahan Rafidashti , Maryam Fatemi , Lars Hammarstrand , Martin R. Oswald , Lennart Svensson

We present a novel approach for unsupervised learning of depth and ego-motion from monocular video. Unsupervised learning removes the need for separate supervisory signals (depth or ego-motion ground truth, or multi-view video). Prior work…

Computer Vision and Pattern Recognition · Computer Science 2018-06-12 Reza Mahjourian , Martin Wicke , Anelia Angelova

Reconstructing dynamic humans together with static scenes from monocular videos remains difficult, especially under fast motion, where RGB frames suffer from motion blur. Event cameras exhibit distinct advantages, e.g., microsecond temporal…

Computer Vision and Pattern Recognition · Computer Science 2025-09-24 Xiaoting Yin , Hao Shi , Kailun Yang , Jiajun Zhai , Shangwei Guo , Lin Wang , Kaiwei Wang

This work is based on a questioning of the quality metrics used by deep neural networks performing depth prediction from a single image, and then of the usability of recently published works on unsupervised learning of depth from videos. To…

Computer Vision and Pattern Recognition · Computer Science 2018-10-22 Clément Pinard , Laure Chevalley , Antoine Manzanera , David Filliat

We propose novel motion representations for animating articulated objects consisting of distinct parts. In a completely unsupervised manner, our method identifies object parts, tracks them in a driving video, and infers their motions by…

Computer Vision and Pattern Recognition · Computer Science 2021-04-26 Aliaksandr Siarohin , Oliver J. Woodford , Jian Ren , Menglei Chai , Sergey Tulyakov

We present Motion Marionette, a zero-shot framework for rigid motion transfer from monocular source videos to single-view target images. Previous works typically employ geometric, generative, or simulation priors to guide the transfer…

Computer Vision and Pattern Recognition · Computer Science 2025-11-26 Haoxuan Wang , Jiachen Tao , Junyi Wu , Gaowen Liu , Ramana Rao Kompella , Yan Yan

In this paper, we introduce a method to automatically reconstruct the 3D motion of a person interacting with an object from a single RGB video. Our method estimates the 3D poses of the person together with the object pose, the contact…

Computer Vision and Pattern Recognition · Computer Science 2021-11-03 Zongmian Li , Jiri Sedlar , Justin Carpentier , Ivan Laptev , Nicolas Mansard , Josef Sivic

Retrieving the 3D kinematics of articulated objects from monocular video is a fundamental challenge in computer vision. Existing methods rely on complex video setups or cues such as long-term point tracking or wide-baseline matching, but…

Computer Vision and Pattern Recognition · Computer Science 2026-05-19 Arslan Artykov , Tom Ravaud , Nicolás Violante-Grezzi , Vincent Lepetit

Existing inverse physics methods recover physical parameters from multi-view videos, where geometric constraints across views resolve scale and 3D structure. In monocular settings, however, such constraints are absent, leading to severe…

Computer Vision and Pattern Recognition · Computer Science 2026-05-29 Daniel Rho , Jun Myeong Choi , Matthew Thornton , Biswadip Dey , Roni Sengupta

Humans can easily segment moving objects without knowing what they are. That objectness could emerge from continuous visual observations motivates us to model grouping and movement concurrently from unlabeled videos. Our premise is that a…

Computer Vision and Pattern Recognition · Computer Science 2021-11-12 Runtao Liu , Zhirong Wu , Stella X. Yu , Stephen Lin

Learning to predict scene depth from RGB inputs is a challenging task both for indoor and outdoor robot navigation. In this work we address unsupervised learning of scene depth and robot ego-motion where supervision is provided by monocular…

Computer Vision and Pattern Recognition · Computer Science 2018-11-16 Vincent Casser , Soeren Pirk , Reza Mahjourian , Anelia Angelova

Interactive 3D scenes are increasingly vital for embodied intelligence, yet existing datasets remain limited due to the labor-intensive process of annotating part segmentation, kinematic types, and motion trajectories. We present REACT3D, a…

Computer Vision and Pattern Recognition · Computer Science 2026-04-13 Zhao Huang , Boyang Sun , Alexandros Delitzas , Jiaqi Chen , Marc Pollefeys

We introduce a novel framework for modeling high-fidelity, animatable 3D human avatars from motion-blurred monocular video inputs. Motion blur is prevalent in real-world dynamic video capture, especially due to human movements in 3D human…

Computer Vision and Pattern Recognition · Computer Science 2025-06-17 Xianrui Luo , Juewen Peng , Zhongang Cai , Lei Yang , Fan Yang , Zhiguo Cao , Guosheng Lin

Reconstructing controllable Gaussian splats for articulated objects from monocular video is especially challenging due to its inherently insufficient constraints. Existing methods address this by relying on dense masks and manually defined…

Computer Vision and Pattern Recognition · Computer Science 2026-03-18 Qizhi Chen , Delin Qu , Junli Liu , Yiwen Tang , Haoming Song , Dong Wang , Yuan Yuan , Bin Zhao

Inferring object 3D position and orientation from a single RGB camera is a foundational task in computer vision with many important applications. Traditionally, 3D object detection methods are trained in a fully-supervised setup, requiring…

Computer Vision and Pattern Recognition · Computer Science 2025-06-23 Jan Skvrna , Lukas Neumann

We focus on the problem of detecting traffic events in a surveillance scenario, including the detection of both vehicle actions and traffic collisions. Existing event detection systems are mostly learning-based and have achieved convincing…

Computer Vision and Pattern Recognition · Computer Science 2020-02-04 Lijun Yu , Peng Chen , Wenhe Liu , Guoliang Kang , Alexander G. Hauptmann

Human activities are inherently complex, often involving numerous object interactions. To better understand these activities, it is crucial to model their interactions with the environment captured through dynamic changes. The recent…

Computer Vision and Pattern Recognition · Computer Science 2024-10-03 Daiwei Zhang , Gengyan Li , Jiajie Li , Mickaël Bressieux , Otmar Hilliges , Marc Pollefeys , Luc Van Gool , Xi Wang

The increasing demand for augmented reality and robotics is driving the need for articulated object reconstruction with high scalability. However, existing settings for reconstructing from discrete articulation states or casual monocular…

Computer Vision and Pattern Recognition · Computer Science 2026-03-24 Hang Dai , Hongwei Fan , Han Zhang , Duojin Wu , Jiyao Zhang , Hao Dong

Recent advances of monocular 3D object detection facilitate the 3D multi-object tracking task based on low-cost camera sensors. In this paper, we find that the motion cue of objects along different time frames is critical in 3D multi-object…

Computer Vision and Pattern Recognition · Computer Science 2023-08-23 Kuan-Chih Huang , Ming-Hsuan Yang , Yi-Hsuan Tsai