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Related papers: DiffPoseNet: Direct Differentiable Camera Pose Est…

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The proposed RMS-FlowNet is a novel end-to-end learning-based architecture for accurate and efficient scene flow estimation which can operate on point clouds of high density. For hierarchical scene flow estimation, the existing methods…

Computer Vision and Pattern Recognition · Computer Science 2022-04-04 Ramy Battrawy , René Schuster , Mohammad-Ali Nikouei Mahani , Didier Stricker

Two-view structure-from-motion (SfM) is the cornerstone of 3D reconstruction and visual SLAM. Existing deep learning-based approaches formulate the problem by either recovering absolute pose scales from two consecutive frames or predicting…

Computer Vision and Pattern Recognition · Computer Science 2021-04-02 Jianyuan Wang , Yiran Zhong , Yuchao Dai , Stan Birchfield , Kaihao Zhang , Nikolai Smolyanskiy , Hongdong Li

We introduce CenDerNet, a framework for 6D pose estimation from multi-view images based on center and curvature representations. Finding precise poses for reflective, textureless objects is a key challenge for industrial robotics. Our…

Computer Vision and Pattern Recognition · Computer Science 2022-08-24 Peter De Roovere , Rembert Daems , Jonathan Croenen , Taoufik Bourgana , Joris de Hoog , Francis Wyffels

We focus on estimating the 3D orientation of the ground plane from a single image. We formulate the problem as an inter-mingled multi-task prediction problem by jointly optimizing for pixel-wise surface normal direction, ground plane…

Computer Vision and Pattern Recognition · Computer Science 2019-08-13 Yunze Man , Xinshuo Weng , Xi Li , Kris Kitani

Articulated object pose estimation is a core task in embodied AI. Existing methods typically regress poses in a continuous space, but often struggle with 1) navigating a large, complex search space and 2) failing to incorporate intrinsic…

Computer Vision and Pattern Recognition · Computer Science 2026-02-27 Li Zhang , Mingyu Mei , Ailing Wang , Xianhui Meng , Yan Zhong , Xinyuan Song , Liu Liu , Rujing Wang , Zaixing He , Cewu Lu

Since the introduction of modern deep learning methods for object pose estimation, test accuracy and efficiency has increased significantly. For training, however, large amounts of annotated training data are required for good performance.…

Computer Vision and Pattern Recognition · Computer Science 2021-08-18 Frederik Hagelskjaer , Anders Glent Buch

Though action recognition in videos has achieved great success recently, it remains a challenging task due to the massive computational cost. Designing lightweight networks is a possible solution, but it may degrade the recognition…

Computer Vision and Pattern Recognition · Computer Science 2020-02-11 Wenhao Wu , Dongliang He , Xiao Tan , Shifeng Chen , Yi Yang , Shilei Wen

Point cloud filtering, the main bottleneck of which is removing noise (outliers) while preserving geometric features, is a fundamental problem in 3D field. The two-step schemes involving normal estimation and position update have been shown…

Graphics · Computer Science 2020-04-27 Dening Lu , Xuequan Lu , Yangxing Sun , Jun Wang

This paper proposes a fast and accurate surface normal estimation method which can be directly used on depth maps (organized point clouds). The surface normal estimation process is formulated as a closed-form expression. In order to reduce…

Computer Vision and Pattern Recognition · Computer Science 2022-09-20 Saed Moradi , Alireza Memarmoghadam , Denis Laurendeau

We present a robust and real-time monocular six degree of freedom relocalization system. Our system trains a convolutional neural network to regress the 6-DOF camera pose from a single RGB image in an end-to-end manner with no need of…

Computer Vision and Pattern Recognition · Computer Science 2016-02-19 Alex Kendall , Matthew Grimes , Roberto Cipolla

Point cloud normal estimation is a fundamental task in 3D geometry processing. While recent learning-based methods achieve notable advancements in normal prediction, they often overlook the critical aspect of equivariance. This results in…

Computer Vision and Pattern Recognition · Computer Science 2024-06-04 Hanxiao Wang , Mingyang Zhao , Weize Quan , Zhen Chen , Dong-ming Yan , Peter Wonka

The challenges of learning a robust 6D pose function lie in 1) severe occlusion and 2) systematic noises in depth images. Inspired by the success of point-pair features, the goal of this paper is to recover the 6D pose of an object instance…

Computer Vision and Pattern Recognition · Computer Science 2022-05-10 Zelin Xu , Yichen Zhang , Ke Chen , Kui Jia

In this work, we present FFB6D, a Full Flow Bidirectional fusion network designed for 6D pose estimation from a single RGBD image. Our key insight is that appearance information in the RGB image and geometry information from the depth image…

Computer Vision and Pattern Recognition · Computer Science 2021-03-04 Yisheng He , Haibin Huang , Haoqiang Fan , Qifeng Chen , Jian Sun

We present a lightweight solution to recover 3D pose from multi-view images captured with spatially calibrated cameras. Building upon recent advances in interpretable representation learning, we exploit 3D geometry to fuse input images into…

Computer Vision and Pattern Recognition · Computer Science 2020-06-23 Edoardo Remelli , Shangchen Han , Sina Honari , Pascal Fua , Robert Wang

Differentiable render is widely used in optimization-based 3D reconstruction which requires gradients from differentiable operations for gradient-based optimization. The existing differentiable renderers obtain the gradients of rendering…

Computer Vision and Pattern Recognition · Computer Science 2019-06-20 Zaiqiang Wu , Wei Jiang

Existing human pose estimation approaches often only consider how to improve the model generalisation performance, but putting aside the significant efficiency problem. This leads to the development of heavy models with poor scalability and…

Computer Vision and Pattern Recognition · Computer Science 2019-04-03 Feng Zhang , Xiatian Zhu , Mao Ye

In this paper, we propose a two-stage fully 3D network, namely \textbf{DeepFuse}, to estimate human pose in 3D space by fusing body-worn Inertial Measurement Unit (IMU) data and multi-view images deeply. The first stage is designed for pure…

Computer Vision and Pattern Recognition · Computer Science 2019-12-10 Fuyang Huang , Ailing Zeng , Minhao Liu , Qiuxia Lai , Qiang Xu

Nine-degrees-of-freedom (9-DoF) object pose and size estimation is crucial for enabling augmented reality and robotic manipulation. Category-level methods have received extensive research attention due to their potential for generalization…

Computer Vision and Pattern Recognition · Computer Science 2025-03-18 Jian Liu , Wei Sun , Hui Yang , Pengchao Deng , Chongpei Liu , Nicu Sebe , Hossein Rahmani , Ajmal Mian

Existing deep learning approaches on 3d human pose estimation for videos are either based on Recurrent or Convolutional Neural Networks (RNNs or CNNs). However, RNN-based frameworks can only tackle sequences with limited frames because…

Computer Vision and Pattern Recognition · Computer Science 2019-08-23 Jiahao Lin , Gim Hee Lee

With the increasing availability of consumer depth sensors, 3D face recognition (FR) has attracted more and more attention. However, the data acquired by these sensors are often coarse and noisy, making them impractical to use directly. In…

Computer Vision and Pattern Recognition · Computer Science 2024-01-02 Ruizhuo Xu , Ke Wang , Chao Deng , Mei Wang , Xi Chen , Wenhui Huang , Junlan Feng , Weihong Deng