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Automatic reconstruction of 3D models from images using multi-view Structure-from-Motion methods has been one of the most fruitful outcomes of computer vision. These advances combined with the growing popularity of Micro Aerial Vehicles as…

Robotics · Computer Science 2016-11-15 Shreyansh Daftry , Christof Hoppe , Horst Bischof

The advent of deep learning has led to significant progress in monocular human reconstruction. However, existing representations, such as parametric models, voxel grids, meshes and implicit neural representations, have difficulties…

Computer Vision and Pattern Recognition · Computer Science 2023-09-06 Qiao Feng , Yebin Liu , Yu-Kun Lai , Jingyu Yang , Kun Li

Driven by the ever-increasing requirements of autonomous vehicles, such as traffic monitoring and driving assistant, deep learning-based object detection (DL-OD) has been increasingly attractive in intelligent transportation systems.…

Computer Vision and Pattern Recognition · Computer Science 2022-06-01 Siyuan Liang , Hao Wu

In this paper, we propose a single UniFied transfOrmer (UFO), which is capable of processing either unimodal inputs (e.g., image or language) or multimodal inputs (e.g., the concatenation of the image and the question), for vision-language…

Computer Vision and Pattern Recognition · Computer Science 2021-11-22 Jianfeng Wang , Xiaowei Hu , Zhe Gan , Zhengyuan Yang , Xiyang Dai , Zicheng Liu , Yumao Lu , Lijuan Wang

Unmanned Aerial Vehicles (UAVs) have great potential in urban traffic monitoring due to their rapid speed, cost-effectiveness, and extensive field-of-view, while being unconstrained by traffic congestion. However, their limited flight…

Optimization and Control · Mathematics 2025-01-17 Yumeng Bai , Yiheng Feng

Scaling RL for LLMs is computationally expensive, largely due to multi-sampling for policy optimization and evaluation, making efficient data selection crucial. Inspired by the Zone of Proximal Development (ZPD) theory, we hypothesize LLMs…

Machine Learning · Computer Science 2025-05-20 Yang Zhao , Kai Xiong , Xiao Ding , Li Du , YangouOuyang , Zhouhao Sun , Jiannan Guan , Wenbin Zhang , Bin Liu , Dong Hu , Bing Qin , Ting Liu

We introduce UniCon3R, a unified feed-forward framework for online human-scene 4D reconstruction from monocular video. Current feed-forward human-scene reconstruction methods suffer from artifacts, where bodies float above the ground or…

Computer Vision and Pattern Recognition · Computer Science 2026-05-12 Tanuj Sur , Shashank Tripathi , Nikos Athanasiou , Ha Linh Nguyen , Kai Xu , Michael J. Black , Angela Yao

Reconstructing dynamic assets from video data is central to many in computer vision and graphics tasks. Existing 4D reconstruction approaches are limited by category-specific models or slow optimization-based methods. Inspired by the recent…

Computer Vision and Pattern Recognition · Computer Science 2025-03-31 Remy Sabathier , Niloy J. Mitra , David Novotny

In this study, we introduce BirdNeRF, an adaptation of Neural Radiance Fields (NeRF) designed specifically for reconstructing large-scale scenes using aerial imagery. Unlike previous research focused on small-scale and object-centric NeRF…

Computer Vision and Pattern Recognition · Computer Science 2024-02-13 Huiqing Zhang , Yifei Xue , Ming Liao , Yizhen Lao

Urban scene reconstruction is crucial for real-world autonomous driving simulators. Although existing methods have achieved photorealistic reconstruction, they mostly focus on pinhole cameras and neglect fisheye cameras. In fact, how to…

Computer Vision and Pattern Recognition · Computer Science 2025-12-22 Yuan Ren , Guile Wu , Runhao Li , Zheyuan Yang , Yibo Liu , Xingxin Chen , Tongtong Cao , Bingbing Liu

Implicit neural representations have shown promising potential for the 3D scene reconstruction. Recent work applies it to autonomous 3D reconstruction by learning information gain for view path planning. Effective as it is, the computation…

Robotics · Computer Science 2022-09-28 Jing Zeng , Yanxu Li , Yunlong Ran , Shuo Li , Fei Gao , Lincheng Li , Shibo He , Jiming chen , Qi Ye

Existing methods for reconstructing objects and humans from a monocular image suffer from severe mesh collisions and performance limitations for interacting occluding objects. This paper introduces a method to obtain a globally consistent…

Computer Vision and Pattern Recognition · Computer Science 2024-08-16 Sarthak Batra , Partha P. Chakrabarti , Simon Hadfield , Armin Mustafa

We propose a feed-forward Gaussian Splatting model that unifies 3D scene and semantic field reconstruction. Combining 3D scenes with semantic fields facilitates the perception and understanding of the surrounding environment. However, key…

Computer Vision and Pattern Recognition · Computer Science 2025-06-12 Qijian Tian , Xin Tan , Jingyu Gong , Yuan Xie , Lizhuang Ma

We introduce the first approach to solve the challenging problem of unsupervised 4D visual scene understanding for complex dynamic scenes with multiple interacting people from multi-view video. Our approach simultaneously estimates a…

Computer Vision and Pattern Recognition · Computer Science 2019-07-24 Armin Mustafa , Chris Russell , Adrian Hilton

Reconstructing large-scale dynamic driving scenes remains challenging due to the coexistence of static environments with extreme depth variation and diverse dynamic actors exhibiting complex motions. Existing Gaussian Splatting based…

Computer Vision and Pattern Recognition · Computer Science 2026-03-20 Cong Wang , Ruiqi Song , Wei Tian , Chenming Zhang , Lingxi Li , Long Chen

Autonomous driving holds great promise in addressing traffic safety concerns by leveraging artificial intelligence and sensor technology. Multi-Object Tracking plays a critical role in ensuring safer and more efficient navigation through…

Computer Vision and Pattern Recognition · Computer Science 2024-07-12 Lei Cheng , Arindam Sengupta , Siyang Cao

Recent advances in implicit scene representation enable high-fidelity street view novel view synthesis. However, existing methods optimize a neural radiance field for each scene, relying heavily on dense training images and extensive…

Computer Vision and Pattern Recognition · Computer Science 2025-06-23 Sheng Miao , Jiaxin Huang , Dongfeng Bai , Weichao Qiu , Bingbing Liu , Andreas Geiger , Yiyi Liao

Achieving safe, high-speed autonomous flight in complex environments with static, dynamic, or mixed obstacles remains challenging, as a single perception modality is incomplete. Depth cameras are effective for static objects but suffer from…

Robotics · Computer Science 2026-03-31 Dikai Shang , Jingyue Zhao , Shi Xu , Nanyang Ye , Lei Wang

Closed-loop simulation and scalable pre-training for autonomous driving require synthesizing free-viewpoint driving scenes. However, existing datasets and generative pipelines rarely provide consistent off-trajectory observations, limiting…

Computer Vision and Pattern Recognition · Computer Science 2025-12-05 Shijie Chen , Peixi Peng

High-fidelity street scene reconstruction is pivotal for end-to-end autonomous driving simulation, where novel-view synthesis (NVS) and time-varying information modeling are two fundamental capabilities to facilitate closed-loop training.…

Computer Vision and Pattern Recognition · Computer Science 2026-05-21 Bowyn Tan , Yutong Xie , Bai Huang , Fan Luo , Xiao Li , Naizheng Wang , Yang Guan , Shengbo Eben Li