English
Related papers

Related papers: Camera Pose Estimation from Sequence of Calibrated…

200 papers

Estimating camera intrinsics and extrinsics is a fundamental problem in computer vision, and while advances in structure-from-motion (SfM) have improved accuracy and robustness, open challenges remain. In this paper, we introduce a robust…

Computer Vision and Pattern Recognition · Computer Science 2025-12-18 Johannes Hägerlind , Bao-Long Tran , Urs Waldmann , Per-Erik Forssén

It is well known that the accuracy of a calibration depends strongly on the choice of camera poses from which images of a calibration object are acquired. We present a system -- Calibration Wizard -- that interactively guides a user towards…

Computer Vision and Pattern Recognition · Computer Science 2019-09-04 Songyou Peng , Peter Sturm

The goal of the proposed method is to directly obtain a pose matrix of a known rectangular target, without estimation, using geometric techniques. This method is specifically tailored for real-time, extreme imaging setups exceeding…

Computer Vision and Pattern Recognition · Computer Science 2023-05-16 Jakub Maksymilian Fober

Estimating camera pose from a single image is a fundamental problem in computer vision. Existing methods for solving this task fall into two distinct categories, which we refer to as direct and indirect. Direct methods, such as PoseNet,…

Computer Vision and Pattern Recognition · Computer Science 2020-12-24 Hunter Blanton , Scott Workman , Nathan Jacobs

We propose a CNN-based approach for multi-camera markerless motion capture of the human body. Unlike existing methods that first perform pose estimation on individual cameras and generate 3D models as post-processing, our approach makes use…

Computer Vision and Pattern Recognition · Computer Science 2018-08-07 Denis Tome , Matteo Toso , Lourdes Agapito , Chris Russell

This work proposes an end-to-end approach to estimate full 3D hand pose from stereo cameras. Most existing methods of estimating hand pose from stereo cameras apply stereo matching to obtain depth map and use depth-based solution to…

Computer Vision and Pattern Recognition · Computer Science 2022-06-06 Yuncheng Li , Zehao Xue , Yingying Wang , Liuhao Ge , Zhou Ren , Jonathan Rodriguez

In monocular 3D human pose estimation a common setup is to first detect 2D positions and then lift the detection into 3D coordinates. Many algorithms suffer from overfitting to camera positions in the training set. We propose a siamese…

Computer Vision and Pattern Recognition · Computer Science 2019-02-19 Márton Véges , Viktor Varga , András Lőrincz

In this work, we address the problem of estimating the so-called "Social Distancing" given a single uncalibrated image in unconstrained scenarios. Our approach proposes a semi-automatic solution to approximate the homography matrix between…

Computer Vision and Pattern Recognition · Computer Science 2020-11-06 Maya Aghaei , Matteo Bustreo , Yiming Wang , Gianluca Bailo , Pietro Morerio , Alessio Del Bue

In this paper, we present a method for real-time multi-person human pose estimation from video by utilizing convolutional neural networks. Our method is aimed for use case specific applications, where good accuracy is essential and…

Computer Vision and Pattern Recognition · Computer Science 2016-09-26 Marko Linna , Juho Kannala , Esa Rahtu

Object pose estimation is a crucial prerequisite for robots to perform autonomous manipulation in clutter. Real-world bin-picking settings such as warehouses present additional challenges, e.g., new objects are added constantly. Most of the…

Computer Vision and Pattern Recognition · Computer Science 2018-10-09 Arul Selvam Periyasamy , Max Schwarz , Sven Behnke

In this article we purpose a novel method for planar pose estimation of mobile robots. This method is based on an analytic solution (which we derived) for the projection of 3D straight lines, onto the mirror of Non-Central Catadioptric…

Robotics · Computer Science 2016-07-11 Andre Mateus , Pedro Miraldo , Pedro U. Lima

Given sparse views of a 3D object, estimating their camera poses is a long-standing and intractable problem. Toward this goal, we consider harnessing the pre-trained diffusion model of novel views conditioned on viewpoints (Zero-1-to-3). We…

Computer Vision and Pattern Recognition · Computer Science 2023-12-01 Weihao Cheng , Yan-Pei Cao , Ying Shan

In this paper, we present a method to estimate a sequence of human poses in unconstrained videos. We aim to demonstrate that by using temporal information, the human pose estimation results can be improved over image based pose estimation…

Computer Vision and Pattern Recognition · Computer Science 2016-04-27 Dong Zhang , Mubarak Shah

Robust and accurate camera calibration is essential for 3D reconstruction in light microscopy under circular motion. Conventional methods require either accurate key point matching or precise segmentation of the axial-view images. Both…

Computer Vision and Pattern Recognition · Computer Science 2019-10-31 Yuanhao Guo , Fons J. Verbeek , Ge Yang

We propose a strategy for improving camera location estimation in structure from motion. Our setting assumes highly corrupted pairwise directions (i.e., normalized relative location vectors), so there is a clear room for improving current…

Computer Vision and Pattern Recognition · Computer Science 2019-01-24 Yunpeng Shi , Gilad Lerman

We propose a method for estimating the 3D pose for the camera of a mobile device in outdoor conditions, using only an untextured 2D model. Previous methods compute only a relative pose using a SLAM algorithm, or require many registered…

Computer Vision and Pattern Recognition · Computer Science 2015-03-19 Clemens Arth , Christian Pirchheim , Jonathan Ventura , Vincent Lepetit

Estimating camera intrinsic parameters without prior scene knowledge is a fundamental challenge in computer vision. This capability is particularly important for applications such as autonomous driving and vehicle platooning, where…

Computer Vision and Pattern Recognition · Computer Science 2025-09-23 Gregory Schroeder , Mohamed Sabry , Cristina Olaverri-Monreal

This paper focuses on a new problem of estimating human pose and shape from single polarization images. Polarization camera is known to be able to capture the polarization of reflected lights that preserves rich geometric cues of an object…

Computer Vision and Pattern Recognition · Computer Science 2022-03-24 Shihao Zou , Xinxin Zuo , Sen Wang , Yiming Qian , Chuan Guo , Li Cheng

We address the task of estimating 6D camera poses from sparse-view image sets (2-8 images). This task is a vital pre-processing stage for nearly all contemporary (neural) reconstruction algorithms but remains challenging given sparse views,…

Computer Vision and Pattern Recognition · Computer Science 2023-12-19 Amy Lin , Jason Y. Zhang , Deva Ramanan , Shubham Tulsiani

Cascaded regression method is a fast and accurate method on finding 2D pose of objects in RGB images. It is able to find the accurate pose of objects in an image by a great number of corrections on the good initial guess of the pose of…

Computer Vision and Pattern Recognition · Computer Science 2017-09-26 Wenye He
‹ Prev 1 3 4 5 6 7 10 Next ›