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Accurate camera localization is crucial for modern retail environments, enabling enhanced customer experiences, streamlined inventory management, and autonomous operations. While Absolute Pose Regression (APR) from a single image offers a…

计算机视觉与模式识别 · 计算机科学 2025-08-18 Yoli Shavit , Yosi Keller

We present a novel 3D pose refinement approach based on differentiable rendering for objects of arbitrary categories in the wild. In contrast to previous methods, we make two main contributions: First, instead of comparing real-world images…

计算机视觉与模式识别 · 计算机科学 2020-07-20 Alexander Grabner , Yaming Wang , Peizhao Zhang , Peihong Guo , Tong Xiao , Peter Vajda , Peter M. Roth , Vincent Lepetit

In this paper, we investigate visual-based camera re-localization with neural networks for robotics and autonomous vehicles applications. Our solution is a CNN-based algorithm which predicts camera pose (3D translation and 3D rotation)…

计算机视觉与模式识别 · 计算机科学 2021-10-08 Arthur Moreau , Nathan Piasco , Dzmitry Tsishkou , Bogdan Stanciulescu , Arnaud de La Fortelle

Accurate camera pose estimation result is essential for visual SLAM (VSLAM). This paper presents a novel pose correction method to improve the accuracy of the VSLAM system. Firstly, the relationship between the camera pose estimation error…

计算机视觉与模式识别 · 计算机科学 2019-08-27 Zhaobing Kang , Wei Zou , Zheng Zhu

Estimating relative camera poses from consecutive frames is a fundamental problem in visual odometry (VO) and simultaneous localization and mapping (SLAM), where classic methods consisting of hand-crafted features and sampling-based outlier…

计算机视觉与模式识别 · 计算机科学 2020-07-31 You-Yi Jau , Rui Zhu , Hao Su , Manmohan Chandraker

Identifying the camera pose for a given image is a challenging problem with applications in robotics, autonomous vehicles, and augmented/virtual reality. Lately, learning-based methods have shown to be effective for absolute camera pose…

计算机视觉与模式识别 · 计算机科学 2022-11-22 Praveen Kumar Rajendran , Quoc-Vinh Lai-Dang , Luiz Felipe Vecchietti , Dongsoo Har

Human pose estimation is a key step to action recognition. We propose a method of estimating 3D human poses from a single image, which works in conjunction with an existing 2D pose/joint detector. 3D pose estimation is challenging because…

计算机视觉与模式识别 · 计算机科学 2014-06-10 Chunyu Wang , Yizhou Wang , Zhouchen Lin , Alan L. Yuille , Wen Gao

One major challenge for 3D pose estimation from a single RGB image is the acquisition of sufficient training data. In particular, collecting large amounts of training data that contain unconstrained images and are annotated with accurate 3D…

计算机视觉与模式识别 · 计算机科学 2016-03-29 Hashim Yasin , Umar Iqbal , Björn Krüger , Andreas Weber , Juergen Gall

This paper presents regression methods for estimation of head pose from occluded 2-D face images. The process primarily involves reconstructing a face from its occluded image, followed by classification. Typical methods for reconstruction…

计算机视觉与模式识别 · 计算机科学 2016-02-03 Amit Kumar , Rishabh Bindal , Soumya Indela , Michael Rotkowitz

Current CNN-based algorithms for recovering the 3D pose of an object in an image assume knowledge about both the object category and its 2D localization in the image. In this paper, we relax one of these constraints and propose to solve the…

计算机视觉与模式识别 · 计算机科学 2018-07-24 Siddharth Mahendran , Haider Ali , Rene Vidal

We present an approach for estimating the pose of an external camera with respect to a robot using a single RGB image of the robot. The image is processed by a deep neural network to detect 2D projections of keypoints (such as joints)…

机器人学 · 计算机科学 2020-04-27 Timothy E. Lee , Jonathan Tremblay , Thang To , Jia Cheng , Terry Mosier , Oliver Kroemer , Dieter Fox , Stan Birchfield

In this paper, we present a new approach for improving 3D point and line mapping regression for camera re-localization. Previous methods typically rely on feature matching (FM) with stored descriptors or use a single network to encode both…

计算机视觉与模式识别 · 计算机科学 2025-03-03 Bach-Thuan Bui , Huy-Hoang Bui , Yasuyuki Fujii , Dinh-Tuan Tran , Joo-Ho Lee

Existing approaches for multi-view multi-person 3D pose estimation explicitly establish cross-view correspondences to group 2D pose detections from multiple camera views and solve for the 3D pose estimation for each person. Establishing…

计算机视觉与模式识别 · 计算机科学 2021-04-07 Jiahao Lin , Gim Hee Lee

Estimating the 3D pose of a hand is an essential part of human-computer interaction. Estimating 3D pose using depth or multi-view sensors has become easier with recent advances in computer vision, however, regressing pose from a single RGB…

计算机视觉与模式识别 · 计算机科学 2018-04-26 Umar Iqbal , Pavlo Molchanov , Thomas Breuel , Juergen Gall , Jan Kautz

We present Hinted Networks: a collection of architectural transformations for improving the accuracies of neural network models for regression tasks, through the injection of a prior for the output prediction (i.e. a hint). We ground our…

计算机视觉与模式识别 · 计算机科学 2018-12-18 Joel Lamy-Poirier , Anqi Xu

We consider the classical camera pose estimation problem that arises in many computer vision applications, in which we are given n 2D-3D correspondences between points in the scene and points in the camera image (some of which are incorrect…

计算几何 · 计算机科学 2019-03-19 Dror Aiger , Haim Kaplan , Efi Kokiopoulou , Micha Sharir , Bernhard Zeisl

This study considers the 3D human pose estimation problem in a single RGB image by proposing a conditional random field (CRF) model over 2D poses, in which the 3D pose is obtained as a byproduct of the inference process. The unary term of…

计算机视觉与模式识别 · 计算机科学 2017-12-29 Ju Yong Chang , Kyoung Mu Lee

Recently, regression-based methods have dominated the field of 3D human pose and shape estimation. Despite their promising results, a common issue is the misalignment between predictions and image observations, often caused by minor joint…

计算机视觉与模式识别 · 计算机科学 2024-03-19 Tom Wehrbein , Bodo Rosenhahn , Iain Matthews , Carsten Stoll

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…

机器人学 · 计算机科学 2016-07-11 Andre Mateus , Pedro Miraldo , Pedro U. Lima

To be robust to illumination changes when detecting objects in images, the current trend is to train a Deep Network with training images captured under many different lighting conditions. Unfortunately, creating such a training set is very…

计算机视觉与模式识别 · 计算机科学 2017-09-01 Mahdi Rad , Peter M. Roth , Vincent Lepetit