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Related papers: SHAPE: Linear-Time Camera Pose Estimation With Qua…

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We present a new convex method to estimate 3D pose from mixed combinations of 2D-3D point and line correspondences, the Perspective-n-Points-and-Lines problem (PnPL). We merge the contributions of each point and line into a unified…

Computer Vision and Pattern Recognition · Computer Science 2019-08-12 Sérgio Agostinho , João Gomes , Alessio Del Bue

Category-Agnostic Pose Estimation (CAPE) aims to localize keypoints on an object of any category given few exemplars in an in-context manner. Prior arts involve sophisticated designs, e.g., sundry modules for similarity calculation and a…

Computer Vision and Pattern Recognition · Computer Science 2024-07-19 Yujia Liang , Zixuan Ye , Wenze Liu , Hao Lu

The research interest on location-based services has increased during the last years ever since 3D centimetre accuracy inside intelligent environments could be confronted with. This work proposes an indoor local positioning system based on…

Signal Processing · Electrical Eng. & Systems 2024-02-07 Elena Aparicio-Esteve , Jesús Ureña , Álvaro Hernández , Daniel Pizarro , David Moltó

Open-world 3D generation has recently attracted considerable attention. While many single-image-to-3D methods have yielded visually appealing outcomes, they often lack sufficient controllability and tend to produce hallucinated regions that…

Computer Vision and Pattern Recognition · Computer Science 2024-08-20 Chao Xu , Ang Li , Linghao Chen , Yulin Liu , Ruoxi Shi , Hao Su , Minghua Liu

We observed that recent state-of-the-art results on single image human pose estimation were achieved by multi-stage Convolution Neural Networks (CNN). Notwithstanding the superior performance on static images, the application of these…

Computer Vision and Pattern Recognition · Computer Science 2018-03-12 Yue Luo , Jimmy Ren , Zhouxia Wang , Wenxiu Sun , Jinshan Pan , Jianbo Liu , Jiahao Pang , Liang Lin

We have developed a new method to estimate a Next Viewpoint (NV) which is effective for pose estimation of simple-shaped products for product display robots in retail stores. Pose estimation methods using Neural Networks (NN) based on an…

Robotics · Computer Science 2025-04-25 Tomoki Mizuno , Kazuya Yabashi , Tsuyoshi Tasaki

Background: Pose estimation of rigid objects is a practical challenge in optical metrology and computer vision. This paper presents a novel stochastic-geometrical modeling framework for object pose estimation based on observing multiple…

Computer Vision and Pattern Recognition · Computer Science 2024-06-04 Wolfgang Hoegele

We introduce a novel neural volumetric pose feature, termed PoseMap, designed to enhance camera localization by encapsulating the information between images and the associated camera poses. Our framework leverages an Absolute Pose…

Computer Vision and Pattern Recognition · Computer Science 2024-07-15 Jingyu Lin , Jiaqi Gu , Bojian Wu , Lubin Fan , Renjie Chen , Ligang Liu , Jieping Ye

Spike cameras, as an innovative neuromorphic camera that captures scenes with the 0-1 bit stream at 40 kHz, are increasingly employed for the 3D reconstruction task via Neural Radiance Fields (NeRF) or 3D Gaussian Splatting (3DGS). Previous…

Computer Vision and Pattern Recognition · Computer Science 2025-06-26 Kang Chen , Jiyuan Zhang , Zecheng Hao , Yajing Zheng , Tiejun Huang , Zhaofei Yu

The practicality of 3D object pose estimation remains limited for many applications due to the need for prior knowledge of a 3D model and a training period for new objects. To address this limitation, we propose an approach that takes a…

Computer Vision and Pattern Recognition · Computer Science 2024-04-02 Van Nguyen Nguyen , Thibault Groueix , Yinlin Hu , Mathieu Salzmann , Vincent Lepetit

Due to the lack of camera parameter information for in-the-wild images, existing 3D human pose and shape (HPS) estimation methods make several simplifying assumptions: weak-perspective projection, large constant focal length, and zero…

Computer Vision and Pattern Recognition · Computer Science 2022-11-02 Muhammed Kocabas , Chun-Hao P. Huang , Joachim Tesch , Lea Müller , Otmar Hilliges , Michael J. Black

Phase shifting profilometry (PSP) is favored in high-precision 3D scanning due to its high accuracy, robustness, and pixel-wise property. However, a fundamental assumption of PSP that the object should remain static is violated in dynamic…

Computer Vision and Pattern Recognition · Computer Science 2024-10-29 Geyou Zhang , Ce Zhu , Kai Liu

We would like to estimate the pose and full shape of an object from a single observation, without assuming known 3D model or category. In this work, we propose OmniShape, the first method of its kind to enable probabilistic pose and shape…

Computer Vision and Pattern Recognition · Computer Science 2025-08-06 Katherine Liu , Sergey Zakharov , Dian Chen , Takuya Ikeda , Greg Shakhnarovich , Adrien Gaidon , Rares Ambrus

Shape completion, the problem of estimating the complete geometry of objects from partial observations, lies at the core of many vision and robotics applications. In this work, we propose Point Completion Network (PCN), a novel…

Computer Vision and Pattern Recognition · Computer Science 2019-09-30 Wentao Yuan , Tejas Khot , David Held , Christoph Mertz , Martial Hebert

Neighborhood Preserving Embedding (NPE) is an important linear dimensionality reduction technique that aims at preserving the local manifold structure. NPE contains three steps, i.e., finding the nearest neighbors of each data point,…

Quantum Physics · Physics 2022-06-29 Shi-Jie Pan , Lin-Chun Wan , Hai-Ling Liu , Yu-Sen Wu , Su-Juan Qin , Qiao-Yan Wen , Fei Gao

This work is concerned with camera pose estimation from correspondences of 3D/2D lines, i. e. with the Perspective-n-Line (PnL) problem. We focus on large line sets, which can be efficiently solved by methods using linear formulation of…

Computer Vision and Pattern Recognition · Computer Science 2017-05-16 Bronislav Přibyl , Pavel Zemčík , Martin Čadík

6D pose estimation is a central problem in robot vision. Compared with pose estimation based on point correspondences or its robust versions, correspondence-free methods are often more flexible. However, existing correspondence-free methods…

Computer Vision and Pattern Recognition · Computer Science 2026-01-27 Quan Quan , Dun Dai

Monocular 3D human pose estimation (HPE) methods estimate the 3D positions of joints from individual images. Existing 3D HPE approaches often use the cropped image alone as input for their models. However, the relative depths of joints…

Computer Vision and Pattern Recognition · Computer Science 2025-08-27 Xiaoyang Hao , Han Li

Correspondences between 3D lines and their 2D images captured by a camera are often used to determine position and orientation of the camera in space. In this work, we propose a novel algebraic algorithm to estimate the camera pose. We…

Computer Vision and Pattern Recognition · Computer Science 2016-08-10 Bronislav Přibyl , Pavel Zemčík , Martin Čadík

Camera pose estimation is a key step in standard 3D reconstruction pipelines that operate on a dense set of images of a single object or scene. However, methods for pose estimation often fail when only a few images are available because…

Computer Vision and Pattern Recognition · Computer Science 2022-12-01 Samarth Sinha , Jason Y. Zhang , Andrea Tagliasacchi , Igor Gilitschenski , David B. Lindell