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Category-level 3D pose estimation is a fundamentally important problem in computer vision and robotics, e.g. for embodied agents or to train 3D generative models. However, so far methods that estimate the category-level object pose require…

Computer Vision and Pattern Recognition · Computer Science 2024-07-08 Leonhard Sommer , Artur Jesslen , Eddy Ilg , Adam Kortylewski

We present PAD3R, a method for reconstructing deformable 3D objects from casually captured, unposed monocular videos. Unlike existing approaches, PAD3R handles long video sequences featuring substantial object deformation, large-scale…

Computer Vision and Pattern Recognition · Computer Science 2025-09-30 Ting-Hsuan Liao , Haowen Liu , Yiran Xu , Songwei Ge , Gengshan Yang , Jia-Bin Huang

We introduce VROOM, a system for reconstructing 3D models of Formula 1 circuits using only onboard camera footage from racecars. Leveraging video data from the 2023 Monaco Grand Prix, we address video challenges such as high-speed motion…

Computer Vision and Pattern Recognition · Computer Science 2025-08-26 Yajat Yadav , Varun Bharadwaj , Jathin Korrapati , Tanish Baranwal

This work proposes novel hyperparameter-free losses for single view 3D reconstruction with morphable models (3DMM). We dispense with the hyperparameters used in other works by exploiting geometry, so that the shape of the object and the…

Computer Vision and Pattern Recognition · Computer Science 2019-08-28 Eduard Ramon , Guillermo Ruiz , Thomas Batard , Xavier Giró-i-Nieto

Unsupervised learning for monocular camera motion and 3D scene understanding has gained popularity over traditional methods, relying on epipolar geometry or non-linear optimization. Notably, deep learning can overcome many issues of…

Computer Vision and Pattern Recognition · Computer Science 2022-03-15 Claudio Cimarelli , Hriday Bavle , Jose Luis Sanchez-Lopez , Holger Voos

The rapid advancement of Large Multimodal Models (LMMs) for 2D images and videos has motivated extending these models to understand 3D scenes, aiming for human-like visual-spatial intelligence. Nevertheless, achieving deep spatial…

Reconstructing 3D scenes from monocular surgical videos can enhance surgeon's perception and therefore plays a vital role in various computer-assisted surgery tasks. However, achieving scale-consistent reconstruction remains an open…

Computer Vision and Pattern Recognition · Computer Science 2025-04-07 Jiaxin Guo , Wenzhen Dong , Tianyu Huang , Hao Ding , Ziyi Wang , Haomin Kuang , Qi Dou , Yun-Hui Liu

End-to-end deep representation learning has achieved remarkable accuracy for monocular 3D human pose estimation, yet these models may fail for unseen poses with limited and fixed training data. This paper proposes a novel data augmentation…

Computer Vision and Pattern Recognition · Computer Science 2021-04-12 Shichao Li , Lei Ke , Kevin Pratama , Yu-Wing Tai , Chi-Keung Tang , Kwang-Ting Cheng

Current state-of-the-art methods cast monocular 3D human pose estimation as a learning problem by training neural networks on large data sets of images and corresponding skeleton poses. In contrast, we propose an approach that can exploit…

Computer Vision and Pattern Recognition · Computer Science 2020-10-14 Simon Jenni , Paolo Favaro

Animatable 3D human reconstruction from a single image is a challenging problem due to the ambiguity in decoupling geometry, appearance, and deformation. Recent advances in 3D human reconstruction mainly focus on static human modeling, and…

Computer Vision and Pattern Recognition · Computer Science 2025-03-14 Lingteng Qiu , Xiaodong Gu , Peihao Li , Qi Zuo , Weichao Shen , Junfei Zhang , Kejie Qiu , Weihao Yuan , Guanying Chen , Zilong Dong , Liefeng Bo

We propose the first Large Reconstruction Model (LRM) that predicts the 3D model of an object from a single input image within just 5 seconds. In contrast to many previous methods that are trained on small-scale datasets such as ShapeNet in…

Computer Vision and Pattern Recognition · Computer Science 2024-03-12 Yicong Hong , Kai Zhang , Jiuxiang Gu , Sai Bi , Yang Zhou , Difan Liu , Feng Liu , Kalyan Sunkavalli , Trung Bui , Hao Tan

We propose a Visual Teach and Repeat (VTR) algorithm using semantic landmarks extracted from environmental objects for ground robots with fixed mount monocular cameras. The proposed algorithm is robust to changes in the starting pose of the…

Robotics · Computer Science 2022-06-28 Mohammad Mahdavian , KangKang Yin , Mo Chen

Recent developments in Multimodal Large Language Models (MLLMs) have significantly improved Vision-Language (VL) reasoning in 2D domains. However, extending these capabilities to 3D scene understanding remains a major challenge. Existing 3D…

Computer Vision and Pattern Recognition · Computer Science 2026-03-03 Haijier Chen , Bo Xu , Shoujian Zhang , Haoze Liu , Jiaxuan Lin , Jingrong Wang

With recent advances, Feed-forward Reconstruction Models (FFRMs) have demonstrated great potential in reconstruction quality and adaptiveness to multiple downstream tasks. However, the excessive reliance on multi-view geometric annotations,…

Computer Vision and Pattern Recognition · Computer Science 2026-04-02 Youyu Chen , Junjun Jiang , Yueru Luo , Kui Jiang , Xianming Liu , Xu Yan , Dave Zhenyu Chen

In this paper, we present an end-to-end learning framework for detailed 3D face reconstruction from a single image. Our approach uses a 3DMM-based coarse model and a displacement map in UV-space to represent a 3D face. Unlike previous work…

Computer Vision and Pattern Recognition · Computer Science 2020-09-03 Yajing Chen , Fanzi Wu , Zeyu Wang , Yibing Song , Yonggen Ling , Linchao Bao

Can we scale 4D pretraining to learn general space-time representations that reconstruct an object from a few views at some times to any view at any time? We provide an affirmative answer with 4D-LRM, the first large-scale 4D reconstruction…

Computer Vision and Pattern Recognition · Computer Science 2025-06-24 Ziqiao Ma , Xuweiyi Chen , Shoubin Yu , Sai Bi , Kai Zhang , Chen Ziwen , Sihan Xu , Jianing Yang , Zexiang Xu , Kalyan Sunkavalli , Mohit Bansal , Joyce Chai , Hao Tan

We propose a transformer-based neural network architecture for multi-object 3D reconstruction from RGB videos. It relies on two alternative ways to represent its knowledge: as a global 3D grid of features and an array of view-specific 2D…

Computer Vision and Pattern Recognition · Computer Science 2022-08-29 Michał J. Tyszkiewicz , Kevis-Kokitsi Maninis , Stefan Popov , Vittorio Ferrari

We propose a novel framework for training neural networks which is capable of learning 3D information of non-rigid objects when only 2D annotations are available as ground truths. Recently, there have been some approaches that incorporate…

Computer Vision and Pattern Recognition · Computer Science 2020-07-22 Sungheon Park , Minsik Lee , Nojun Kwak

Recent advancements in deep learning opened new opportunities for learning a high-quality 3D model from a single 2D image given sufficient training on large-scale data sets. However, the significant imbalance between available amount of…

Computer Vision and Pattern Recognition · Computer Science 2017-11-28 Lingjing Wang , Yi Fang

We propose tttLRM, a novel large 3D reconstruction model that leverages a Test-Time Training (TTT) layer to enable long-context, autoregressive 3D reconstruction with linear computational complexity, further scaling the model's capability.…

Computer Vision and Pattern Recognition · Computer Science 2026-03-03 Chen Wang , Hao Tan , Wang Yifan , Zhiqin Chen , Yuheng Liu , Kalyan Sunkavalli , Sai Bi , Lingjie Liu , Yiwei Hu