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Recently, RGBD-based category-level 6D object pose estimation has achieved promising improvement in performance, however, the requirement of depth information prohibits broader applications. In order to relieve this problem, this paper…

Computer Vision and Pattern Recognition · Computer Science 2022-08-30 Zhaoxin Fan , Zhenbo Song , Jian Xu , Zhicheng Wang , Kejian Wu , Hongyan Liu , Jun He

Scene coordinate regression has become an essential part of current camera re-localization methods. Different versions, such as regression forests and deep learning methods, have been successfully applied to estimate the corresponding…

Computer Vision and Pattern Recognition · Computer Science 2018-07-27 Mai Bui , Shadi Albarqouni , Slobodan Ilic , Nassir Navab

Camera relocalization, a cornerstone capability of modern computer vision, accurately determines a camera's position and orientation (6-DoF) from images and is essential for applications in augmented reality (AR), mixed reality (MR),…

Computer Vision and Pattern Recognition · Computer Science 2025-07-08 Zhendong Xiao , Wu Wei , Shujie Ji , Shan Yang , Changhao Chen

We address the problem of estimating the relative 6D pose, i.e., position and orientation, of a target spacecraft, from a monocular image, a key capability for future autonomous Rendezvous and Proximity Operations. Due to the difficulty of…

Computer Vision and Pattern Recognition · Computer Science 2025-09-19 Antoine Legrand , Renaud Detry , Christophe De Vleeschouwer

Object pose estimation is a key perceptual capability in robotics. We propose a fully-convolutional extension of the PoseCNN method, which densely predicts object translations and orientations. This has several advantages such as improving…

Computer Vision and Pattern Recognition · Computer Science 2022-05-24 Arul Selvam Periyasamy , Catherine Capellen , Max Schwarz , Sven Behnke

6D object pose estimation is a prerequisite for many applications. In recent years, monocular pose estimation has attracted much research interest because it does not need depth measurements. In this work, we introduce ConvPoseCNN, a fully…

Computer Vision and Pattern Recognition · Computer Science 2019-12-17 Catherine Capellen , Max Schwarz , Sven Behnke

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

We introduce IFFNeRF to estimate the six degrees-of-freedom (6DoF) camera pose of a given image, building on the Neural Radiance Fields (NeRF) formulation. IFFNeRF is specifically designed to operate in real-time and eliminates the need for…

Computer Vision and Pattern Recognition · Computer Science 2024-03-20 Matteo Bortolon , Theodore Tsesmelis , Stuart James , Fabio Poiesi , Alessio Del Bue

We show how a simple convolutional neural network (CNN) can be trained to accurately and robustly regress 6 degrees of freedom (6DoF) 3D head pose, directly from image intensities. We further explain how this FacePoseNet (FPN) can be used…

Computer Vision and Pattern Recognition · Computer Science 2017-09-04 Fengju Chang , Anh Tuan Tran , Tal Hassner , Iacopo Masi , Ram Nevatia , Gerard Medioni

Accurate 6D object pose estimation is an important task for a variety of robotic applications such as grasping or localization. It is a challenging task due to object symmetries, clutter and occlusion, but it becomes more challenging when…

Computer Vision and Pattern Recognition · Computer Science 2022-11-28 Thomas Jantos , Mohamed Amin Hamdad , Wolfgang Granig , Stephan Weiss , Jan Steinbrener

We present a direct method to calculate a 6DoF pose change of a monocular camera for mobile navigation. The calculated pose is estimated up to a constant unknown scale parameter that is kept constant over the entire reconstruction process.…

Computer Vision and Pattern Recognition · Computer Science 2017-09-19 Darius Burschka , Elmar Mair

In this work we use deep learning to establish dense correspondences between a 3D object model and an image "in the wild". We introduce "DenseReg", a fully-convolutional neural network (F-CNN) that densely regresses at every foreground…

Computer Vision and Pattern Recognition · Computer Science 2018-03-13 Riza Alp Guler , Yuxiang Zhou , George Trigeorgis , Epameinondas Antonakos , Patrick Snape , Stefanos Zafeiriou , Iasonas Kokkinos

In this work, we introduce a Denser Feature Network (DenserNet) for visual localization. Our work provides three principal contributions. First, we develop a convolutional neural network (CNN) architecture which aggregates feature maps at…

Computer Vision and Pattern Recognition · Computer Science 2021-03-15 Dongfang Liu , Yiming Cui , Liqi Yan , Christos Mousas , Baijian Yang , Yingjie Chen

We present iNeRF, a framework that performs mesh-free pose estimation by "inverting" a Neural RadianceField (NeRF). NeRFs have been shown to be remarkably effective for the task of view synthesis - synthesizing photorealistic novel views of…

Computer Vision and Pattern Recognition · Computer Science 2021-08-11 Lin Yen-Chen , Pete Florence , Jonathan T. Barron , Alberto Rodriguez , Phillip Isola , Tsung-Yi Lin

We present MoVNect, a lightweight deep neural network to capture 3D human pose using a single RGB camera. To improve the overall performance of the model, we apply the teacher-student learning method based knowledge distillation to 3D human…

Computer Vision and Pattern Recognition · Computer Science 2020-01-16 Dong-Hyun Hwang , Suntae Kim , Nicolas Monet , Hideki Koike , Soonmin Bae

We devise a graph attention network-based approach for learning a scene triangle mesh representation in order to estimate an image camera position in a dynamic environment. Previous approaches built a scene-dependent model that explicitly…

Computer Vision and Pattern Recognition · Computer Science 2022-10-03 Mohamed Amine Ouali , Mohamed Bouguessa , Riadh Ksantini

In this paper, we address the problem of camera pose estimation in outdoor and indoor scenarios. In comparison to the currently top-performing methods that rely on 2D to 3D matching, we propose a model that can directly regress the camera…

Computer Vision and Pattern Recognition · Computer Science 2021-08-17 Tony Ng , Adrian Lopez-Rodriguez , Vassileios Balntas , Krystian Mikolajczyk

We present KDFNet, a novel method for 6D object pose estimation from RGB images. To handle occlusion, many recent works have proposed to localize 2D keypoints through pixel-wise voting and solve a Perspective-n-Point (PnP) problem for pose…

Computer Vision and Pattern Recognition · Computer Science 2021-09-22 Xingyu Liu , Shun Iwase , Kris M. Kitani

This technical report introduces CyberLoc, an image-based visual localization pipeline for robust and accurate long-term pose estimation under challenging conditions. The proposed method comprises four modules connected in a sequence.…

Computer Vision and Pattern Recognition · Computer Science 2023-01-09 Liu Liu , Yukai Lin , Xiao Liang , Qichao Xu , Miao Jia , Yangdong Liu , Yuxiang Wen , Wei Luo , Jiangwei Li

Tracking the 6D pose of objects in video sequences is important for robot manipulation. This work presents se(3)-TrackNet, a data-driven optimization approach for long term, 6D pose tracking. It aims to identify the optimal relative pose…

Computer Vision and Pattern Recognition · Computer Science 2022-02-10 Bowen Wen , Chaitanya Mitash , Kostas Bekris