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We present SLAIM - Simultaneous Localization and Implicit Mapping. We propose a novel coarse-to-fine tracking model tailored for Neural Radiance Field SLAM (NeRF-SLAM) to achieve state-of-the-art tracking performance. Notably, existing…

Computer Vision and Pattern Recognition · Computer Science 2024-04-18 Vincent Cartillier , Grant Schindler , Irfan Essa

Camera localization methods based on retrieval, local feature matching, and 3D structure-based pose estimation are accurate but require high storage, are slow, and are not privacy-preserving. A method based on scene landmark detection (SLD)…

Computer Vision and Pattern Recognition · Computer Science 2024-02-01 Tien Do , Sudipta N. Sinha

Realistic scene reconstruction in driving scenarios poses significant challenges due to fast-moving objects. Most existing methods rely on labor-intensive manual labeling of object poses to reconstruct dynamic objects in canonical space and…

Computer Vision and Pattern Recognition · Computer Science 2025-09-03 Ruida Zhang , Chengxi Li , Chenyangguang Zhang , Xingyu Liu , Haili Yuan , Yanyan Li , Xiangyang Ji , Gim Hee Lee

Reconstructing precise camera poses and floor plan layouts from wide-baseline RGB panoramas is a difficult and unsolved problem. We introduce BADGR, a novel diffusion model that jointly performs reconstruction and bundle adjustment (BA) to…

Computer Vision and Pattern Recognition · Computer Science 2025-03-26 Yuguang Li , Ivaylo Boyadzhiev , Zixuan Liu , Linda Shapiro , Alex Colburn

Neural implicit representations have recently demonstrated compelling results on dense Simultaneous Localization And Mapping (SLAM) but suffer from the accumulation of errors in camera tracking and distortion in the reconstruction.…

Computer Vision and Pattern Recognition · Computer Science 2023-09-06 Youmin Zhang , Fabio Tosi , Stefano Mattoccia , Matteo Poggi

We propose a method to reconstruct global human trajectories from videos in the wild. Our optimization method decouples the camera and human motion, which allows us to place people in the same world coordinate frame. Most existing methods…

Computer Vision and Pattern Recognition · Computer Science 2023-03-22 Vickie Ye , Georgios Pavlakos , Jitendra Malik , Angjoo Kanazawa

We present a fast, scalable, and accurate Simultaneous Localization and Mapping (SLAM) system that represents indoor scenes as a graph of objects. Leveraging the observation that artificial environments are structured and occupied by…

Robotics · Computer Science 2020-11-06 Akash Sharma , Wei Dong , Michael Kaess

Simultaneous Localization and Mapping (SLAM) is a key tool for monitoring construction sites, where aligning the evolving as-built state with the as-planned design enables early error detection and reduces costly rework. LiDAR-based SLAM…

In this work, we address the task of 3D reconstruction in dynamic scenes, where object motions frequently degrade the quality of previous 3D pointmap regression methods, such as DUSt3R, that are originally designed for static 3D scene…

Computer Vision and Pattern Recognition · Computer Science 2025-11-03 Jisang Han , Honggyu An , Jaewoo Jung , Takuya Narihira , Junyoung Seo , Kazumi Fukuda , Chaehyun Kim , Sunghwan Hong , Yuki Mitsufuji , Seungryong Kim

Visual SLAM in dynamic environments remains challenging, as several existing methods rely on semantic filtering that only handles known object classes, or use fixed robust kernels that cannot adapt to unknown moving objects, leading to…

Robotics · Computer Science 2025-10-21 João Carlos Virgolino Soares , Gabriel Fischer Abati , Claudio Semini

Most of the state-of-the-art indirect visual SLAM methods are based on the sparse point features. However, it is hard to find enough reliable point features for state estimation in the case of low-textured scenes. Line features are abundant…

Robotics · Computer Science 2021-02-16 Xin Ma , Xinwu Liang

We present FlashSLAM, a novel SLAM approach that leverages 3D Gaussian Splatting for efficient and robust 3D scene reconstruction. Existing 3DGS-based SLAM methods often fall short in sparse view settings and during large camera movements…

Computer Vision and Pattern Recognition · Computer Science 2024-12-03 Phu Pham , Damon Conover , Aniket Bera

Emerging 3D scene representations, such as Neural Radiance Fields (NeRF) and 3D Gaussian Splatting (3DGS), have demonstrated their effectiveness in Simultaneous Localization and Mapping (SLAM) for photo-realistic rendering, particularly…

Computer Vision and Pattern Recognition · Computer Science 2025-08-11 Peng Wang , Lingzhe Zhao , Yin Zhang , Shiyu Zhao , Peidong Liu

Neural implicit fields have recently emerged as a powerful representation method for multi-view surface reconstruction due to their simplicity and state-of-the-art performance. However, reconstructing thin structures of indoor scenes while…

Computer Vision and Pattern Recognition · Computer Science 2024-12-03 Shaoxiang Wang , Yaxu Xie , Chun-Peng Chang , Christen Millerdurai , Alain Pagani , Didier Stricker

We propose DSP-SLAM, an object-oriented SLAM system that builds a rich and accurate joint map of dense 3D models for foreground objects, and sparse landmark points to represent the background. DSP-SLAM takes as input the 3D point cloud…

Computer Vision and Pattern Recognition · Computer Science 2021-10-25 Jingwen Wang , Martin Rünz , Lourdes Agapito

In video analysis, background models have many applications such as background/foreground separation, change detection, anomaly detection, tracking, and more. However, while learning such a model in a video captured by a static camera is a…

Computer Vision and Pattern Recognition · Computer Science 2022-09-19 Guy Erez , Ron Shapira Weber , Oren Freifeld

We present a novel Structure from Motion pipeline that is capable of reconstructing accurate camera poses for panorama-style video capture without prior camera intrinsic calibration. While panorama-style capture is common and convenient,…

Computer Vision and Pattern Recognition · Computer Science 2019-06-11 Chris Sweeney , Aleksander Holynski , Brian Curless , Steve M Seitz

Dynamic scene deblurring is a challenging problem in computer vision. It is difficult to accurately estimate the spatially varying blur kernel by traditional methods. Data-driven-based methods usually employ kernel-free end-to-end mapping…

Image and Video Processing · Electrical Eng. & Systems 2020-08-20 Xiaoguang Li , Feifan Yang , Kin Man Lam , Li Zhuo , Jiafeng Li

Understanding geometric, semantic, and instance information in 3D scenes from sequential video data is essential for applications in robotics and augmented reality. However, existing Simultaneous Localization and Mapping (SLAM) methods…

Computer Vision and Pattern Recognition · Computer Science 2025-01-03 Runnan Chen , Zhaoqing Wang , Jiepeng Wang , Yuexin Ma , Mingming Gong , Wenping Wang , Tongliang Liu

In this work, we explore the use of objects in Simultaneous Localization and Mapping in unseen worlds and propose an object-aided system (OA-SLAM). More precisely, we show that, compared to low-level points, the major benefit of objects…

Computer Vision and Pattern Recognition · Computer Science 2022-09-20 Matthieu Zins , Gilles Simon , Marie-Odile Berger