English
Related papers

Related papers: GeLoc3r: Enhancing Relative Camera Pose Regression…

200 papers

In visual localization, Absolute Pose Regression (APR) enables real-time 6-DoF camera pose inference from single images, yet critically depends on fine-tuning data quality and coverage. While recent methods leverage 3D Gaussian Splatting…

Computer Vision and Pattern Recognition · Computer Science 2026-05-13 Yanan Zhou , Zhaoyan Qian , Yanli Li , Nan Yang , Zhongliang Guo , Dong Yuan

We present gP4Pc, a new method for computing the absolute pose of a generalized camera with unknown internal scale from four corresponding 3D point-and-ray pairs. Unlike most pose-and-scale methods, gP4Pc is based on constraints arising…

Computer Vision and Pattern Recognition · Computer Science 2020-11-30 Victor Fragoso , Sudipta Sinha

Lane detection stands as a crucial perception task in autonomous driving and advanced driver assistance systems. However, existing methods still degrade in complex real scenarios due to two major limitations. First, classification…

Computer Vision and Pattern Recognition · Computer Science 2026-05-27 Tiancheng Wang , Zhaolu Ding , Richeng Xu , Tianhui Zheng , Hui Liu , Hanyu Xuan , Zhiliang Wu , Guanghui Yue

Robust 3D geometry estimation from videos is critical for applications such as autonomous navigation, SLAM, and 3D scene reconstruction. Recent methods like DUSt3R demonstrate that regressing dense pointmaps from image pairs enables…

Computer Vision and Pattern Recognition · Computer Science 2026-02-05 Xiaoshan Wu , Yifei Yu , Xiaoyang Lyu , Yihua Huang , Bo Wang , Baoheng Zhang , Zhongrui Wang , Xiaojuan Qi

We present GNC-Pose, a fully learning-free monocular 6D object pose estimation pipeline for textured objects that combines rendering-based initialization, geometry-aware correspondence weighting, and robust GNC optimization. Starting from…

Computer Vision and Pattern Recognition · Computer Science 2026-04-30 Xiujin Liu

Establishment of point correspondence between camera and object coordinate systems is a promising way to solve 6D object poses. However, surrogate objectives of correspondence learning in 3D space are a step away from the true ones of…

Computer Vision and Pattern Recognition · Computer Science 2022-10-13 Hongyang Li , Jiehong Lin , Kui Jia

Spatial misalignment caused by variations in poses and viewpoints is one of the most critical issues that hinders the performance improvement in existing person re-identification (Re-ID) algorithms. To address this problem, in this paper,…

Computer Vision and Pattern Recognition · Computer Science 2018-05-17 Qin Zhou , Heng Fan , Hua Yang , Hang Su , Shibao Zheng , Shuang Wu , Haibin Ling

Affine correspondences have received significant attention due to their benefits in tasks like image matching and pose estimation. Existing methods for extracting affine correspondences still have many limitations in terms of performance;…

Computer Vision and Pattern Recognition · Computer Science 2025-04-11 Pengju Sun , Banglei Guan , Zhenbao Yu , Yang Shang , Qifeng Yu , Daniel Barath

Image Matching is a core component of all best-performing algorithms and pipelines in 3D vision. Yet despite matching being fundamentally a 3D problem, intrinsically linked to camera pose and scene geometry, it is typically treated as a 2D…

Computer Vision and Pattern Recognition · Computer Science 2024-06-17 Vincent Leroy , Yohann Cabon , Jérôme Revaud

We present PreF3R, Pose-Free Feed-forward 3D Reconstruction from an image sequence of variable length. Unlike previous approaches, PreF3R removes the need for camera calibration and reconstructs the 3D Gaussian field within a canonical…

Computer Vision and Pattern Recognition · Computer Science 2024-11-27 Zequn Chen , Jiezhi Yang , Heng Yang

We introduce FocalPose, a neural render-and-compare method for jointly estimating the camera-object 6D pose and camera focal length given a single RGB input image depicting a known object. The contributions of this work are twofold. First,…

Computer Vision and Pattern Recognition · Computer Science 2022-04-12 Georgy Ponimatkin , Yann Labbé , Bryan Russell , Mathieu Aubry , Josef Sivic

Camera relocalization involving a prior 3D reconstruction plays a crucial role in many mixed reality and robotics applications. Estimating the camera pose directly with respect to pre-built 3D models can be prohibitively expensive for…

Computer Vision and Pattern Recognition · Computer Science 2022-12-06 Thuan B. Bui , Dinh-Tuan Tran , Joo-Ho Lee

The localization of objects is a crucial task in various applications such as robotics, virtual and augmented reality, and the transportation of goods in warehouses. Recent advances in deep learning have enabled the localization using…

Computer Vision and Pattern Recognition · Computer Science 2024-10-08 Felix Ott , Lucas Heublein , David Rügamer , Bernd Bischl , Christopher Mutschler

Recovering dense 3D geometry from unposed images remains a foundational challenge in computer vision. Current state-of-the-art models are predominantly trained on perspective datasets, which implicitly constrains them to a standard pinhole…

Computer Vision and Pattern Recognition · Computer Science 2026-03-25 Namitha Guruprasad , Abhay Yadav , Cheng Peng , Rama Chellappa

In this work, we propose a method for object recognition and pose estimation from depth images using convolutional neural networks. Previous methods addressing this problem rely on manifold learning to learn low dimensional viewpoint…

Computer Vision and Pattern Recognition · Computer Science 2019-04-19 Mai Bui , Sergey Zakharov , Shadi Albarqouni , Slobodan Ilic , Nassir Navab

Recent advances in neural rendering have enabled highly photorealistic 3D scene reconstruction and novel view synthesis. Despite this progress, current state-of-the-art methods struggle to reconstruct high frequency detail, due to factors…

Computer Vision and Pattern Recognition · Computer Science 2024-07-24 Sibi Catley-Chandar , Richard Shaw , Gregory Slabaugh , Eduardo Perez-Pellitero

Deducing a 3D human pose from a single 2D image is inherently challenging because multiple 3D poses can correspond to the same 2D representation. 3D data can resolve this pose ambiguity, but it is expensive to record and requires an…

Computer Vision and Pattern Recognition · Computer Science 2025-05-09 Christian Keilstrup Ingwersen , Rasmus Tirsgaard , Rasmus Nylander , Janus Nørtoft Jensen , Anders Bjorholm Dahl , Morten Rieger Hannemose

Geometric properties can be leveraged to stabilize and speed reinforcement learning. Existing examples include encoding symmetry structure, geometry-aware data augmentation, and enforcing structural restrictions. In this paper, we take a…

Artificial Intelligence · Computer Science 2026-02-04 Zuyuan Zhang , Zeyu Fang , Tian Lan

Camera-controlled video generation has achieved remarkable progress in recent years. However, existing video-to-video re-rendering methods primarily rely on Supervised Fine-Tuning using synthetic datasets. At present, there is an extreme…

Computer Vision and Pattern Recognition · Computer Science 2026-05-25 Zizun Li , Haoyu Guo , Runzhe Teng , Chunhua Shen , Tong He

Foundation features from self-supervised vision models and text-to-image diffusion models have proven effective for semantic correspondence estimation. However, because these features are learned primarily from 2D image objectives, they…

Computer Vision and Pattern Recognition · Computer Science 2026-05-29 Artur Jesslen , Olaf Dünkel , Adam Kortylewski