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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

Accurate monocular metric depth estimation (MMDE) is crucial to solving downstream tasks in 3D perception and modeling. However, the remarkable accuracy of recent MMDE methods is confined to their training domains. These methods fail to…

Computer Vision and Pattern Recognition · Computer Science 2024-03-29 Luigi Piccinelli , Yung-Hsu Yang , Christos Sakaridis , Mattia Segu , Siyuan Li , Luc Van Gool , Fisher Yu

Recently the dense Simultaneous Localization and Mapping (SLAM) based on neural implicit representation has shown impressive progress in hole filling and high-fidelity mapping. Nevertheless, existing methods either heavily rely on known…

Robotics · Computer Science 2024-11-07 Jiahui Wang , Yinan Deng , Yi Yang , Yufeng Yue

Visual SLAM shows significant progress in recent years due to high attention from vision community but still, challenges remain for low-textured environments. Feature based visual SLAMs do not produce reliable camera and structure estimates…

Computer Vision and Pattern Recognition · Computer Science 2019-01-15 Soumyadip Maity , Arindam Saha , Brojeshwar Bhowmick

3D reconstruction of depth and motion from monocular video in dynamic environments is a highly ill-posed problem due to scale ambiguities when projecting to the 2D image domain. In this work, we investigate the performance of the current…

Computer Vision and Pattern Recognition · Computer Science 2022-01-24 Christian Homeyer , Oliver Lange , Christoph Schnörr

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

Transparent object perception is indispensable for numerous robotic tasks. However, accurately segmenting and estimating the depth of transparent objects remain challenging due to complex optical properties. Existing methods primarily delve…

Computer Vision and Pattern Recognition · Computer Science 2025-03-04 Jiangyuan Liu , Hongxuan Ma , Yuxin Guo , Yuhao Zhao , Chi Zhang , Wei Sui , Wei Zou

Simultaneous Localization and Mapping (SLAM) is a foundational component in robotics, AR/VR, and autonomous systems. With the rising focus on spatial AI in recent years, combining SLAM with semantic understanding has become increasingly…

Computer Vision and Pattern Recognition · Computer Science 2026-02-11 Jisang Yoo , Gyeongjin Kang , Hyun-kyu Ko , Hyeonwoo Yu , Eunbyung Park

Scene flow estimation is an extremely important task in computer vision to support the perception of dynamic changes in the scene. For robust scene flow, learning-based approaches have recently achieved impressive results using either…

Computer Vision and Pattern Recognition · Computer Science 2026-02-26 Rajai Alhimdiat , Ramy Battrawy , René Schuster , Didier Stricker , Wesam Ashour

Reconstructing dense, volumetric models of real-world 3D scenes is important for many tasks, but capturing large scenes can take significant time, and the risk of transient changes to the scene goes up as the capture time increases. These…

Computer Vision and Pattern Recognition · Computer Science 2019-07-03 Stuart Golodetz , Tommaso Cavallari , Nicholas A Lord , Victor A Prisacariu , David W Murray , Philip H S Torr

3D Gaussian Splatting has emerged as a promising technique for high-quality 3D rendering, leading to increasing interest in integrating 3DGS into realism SLAM systems. However, existing methods face challenges such as Gaussian primitives…

Robotics · Computer Science 2024-12-16 Lizhi Bai , Chunqi Tian , Jun Yang , Siyu Zhang , Masanori Suganuma , Takayuki Okatani

Most SLAM algorithms are based on the assumption that the scene is static. However, in practice, most scenes are dynamic which usually contains moving objects, these methods are not suitable. In this paper, we introduce DymSLAM, a dynamic…

Computer Vision and Pattern Recognition · Computer Science 2020-03-11 Chenjie Wang , Bin Luo , Yun Zhang , Qing Zhao , Lu Yin , Wei Wang , Xin Su , Yajun Wang , Chengyuan Li

Depth estimation is a crucial technology in robotics. Recently, self-supervised depth estimation methods have demonstrated great potential as they can efficiently leverage large amounts of unlabelled real-world data. However, most existing…

Computer Vision and Pattern Recognition · Computer Science 2024-11-08 Siyu Chen , Hong Liu , Wenhao Li , Ying Zhu , Guoquan Wang , Jianbing Wu

Reconstructing high-quality 3D models from sparse 2D images has garnered significant attention in computer vision. Recently, 3D Gaussian Splatting (3DGS) has gained prominence due to its explicit representation with efficient training speed…

Computer Vision and Pattern Recognition · Computer Science 2024-12-31 Keng-Wei Chang , Zi-Ming Wang , Shang-Hong Lai

Depth estimation, as a necessary clue to convert 2D images into the 3D space, has been applied in many machine vision areas. However, to achieve an entire surrounding 360-degree geometric sensing, traditional stereo matching algorithms for…

Computer Vision and Pattern Recognition · Computer Science 2021-09-22 Keyang Zhou , Kailun Yang , Kaiwei Wang

In this paper, we present a tightly-coupled visual-inertial object-level multi-instance dynamic SLAM system. Even in extremely dynamic scenes, it can robustly optimise for the camera pose, velocity, IMU biases and build a dense 3D…

Robotics · Computer Science 2022-08-09 Yifei Ren , Binbin Xu , Christopher L. Choi , Stefan Leutenegger

3D scene generation has quickly become a challenging new research direction, fueled by consistent improvements of 2D generative diffusion models. Most prior work in this area generates scenes by iteratively stitching newly generated frames…

Computer Vision and Pattern Recognition · Computer Science 2024-05-01 Paul Engstler , Andrea Vedaldi , Iro Laina , Christian Rupprecht

Dynamic environments that include unstructured moving objects pose a hard problem for Simultaneous Localization and Mapping (SLAM) performance. The motion of rigid objects can be typically tracked by exploiting their texture and geometric…

Computer Vision and Pattern Recognition · Computer Science 2021-08-03 Huayan Zhang , Tianwei Zhang , Tin Lun Lam , Sethu Vijayakumar

We present an inverse image-formation module that can enhance the robustness of existing visual SLAM pipelines for casually captured scenarios. Casual video captures often suffer from motion blur and varying appearances, which degrade the…

Computer Vision and Pattern Recognition · Computer Science 2024-07-17 Gwangtak Bae , Changwoon Choi , Hyeongjun Heo , Sang Min Kim , Young Min Kim

This paper demonstrates a system capable of combining a sparse, indirect, monocular visual SLAM, with both offline and real-time Multi-View Stereo (MVS) reconstruction algorithms. This combination overcomes many obstacles encountered by…

Computer Vision and Pattern Recognition · Computer Science 2020-11-09 Fangwen Shu , Paul Lesur , Yaxu Xie , Alain Pagani , Didier Stricker