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Absolute pose estimation is a fundamental problem in computer vision, and it is a typical parameter estimation problem, meaning that efforts to solve it will always suffer from outlier-contaminated data. Conventionally, for a fixed…

Computer Vision and Pattern Recognition · Computer Science 2019-12-17 Yinlong Liu , Xuechen Li , Manning Wang , Guang Chen , Zhijian Song , Alois Knoll

Dense human pose estimation is the problem of learning dense correspondences between RGB images and the surfaces of human bodies, which finds various applications, such as human body reconstruction, human pose transfer, and human action…

Computer Vision and Pattern Recognition · Computer Science 2022-04-05 Liqian Ma , Lingjie Liu , Christian Theobalt , Luc Van Gool

This paper addresses the problem of 3D human pose estimation from a single image. We follow a standard two-step pipeline by first detecting the 2D position of the $N$ body joints, and then using these observations to infer 3D pose. For the…

Computer Vision and Pattern Recognition · Computer Science 2016-11-29 Francesc Moreno-Noguer

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

In this paper, we introduce a novel RGB-D based relative pose estimation approach that is suitable for small-overlapping or non-overlapping scans and can output multiple relative poses. Our method performs scene completion and matches the…

Computer Vision and Pattern Recognition · Computer Science 2020-04-07 Zhenpei Yang , Siming Yan , Qixing Huang

We propose a three-stage 6 DoF object detection method called DPODv2 (Dense Pose Object Detector) that relies on dense correspondences. We combine a 2D object detector with a dense correspondence estimation network and a multi-view pose…

Computer Vision and Pattern Recognition · Computer Science 2022-07-07 Ivan Shugurov , Sergey Zakharov , Slobodan Ilic

We describe a method for 3D human pose estimation from transient images (i.e., a 3D spatio-temporal histogram of photons) acquired by an optical non-line-of-sight (NLOS) imaging system. Our method can perceive 3D human pose by `looking…

Computer Vision and Pattern Recognition · Computer Science 2020-04-02 Mariko Isogawa , Ye Yuan , Matthew O'Toole , Kris Kitani

Real-time robotic grasping, supporting a subsequent precise object-in-hand operation task, is a priority target towards highly advanced autonomous systems. However, such an algorithm which can perform sufficiently-accurate grasping with…

Computer Vision and Pattern Recognition · Computer Science 2021-11-12 Tuan-Tang Le , Trung-Son Le , Yu-Ru Chen , Joel Vidal , Chyi-Yeu Lin

Hand-held light field (LF) cameras have unique advantages in computer vision such as 3D scene reconstruction and depth estimation. However, the related applications are limited by the ultra-small baseline, e.g., leading to the extremely low…

Computer Vision and Pattern Recognition · Computer Science 2022-02-01 Xiao Huo , Dongyang Jin , Saiping Zhang , Fuzheng Yang

This paper presents a set of novel scan-matching techniques for vehicle pose estimation using automotive radar measurements. The proposed approach modifies the Normal Distributions Transform (NDT) -- a state-of-the-art scan-matching SLAM…

Signal Processing · Electrical Eng. & Systems 2021-07-21 Martijn Heller , Nikita Petrov , Alexander Yarovoy

We propose DLTPose, a novel method for 6DoF object pose estimation from RGBD images that combines the accuracy of sparse keypoint methods with the robustness of dense pixel-wise predictions. DLTPose predicts per-pixel radial distances to a…

Computer Vision and Pattern Recognition · Computer Science 2025-08-19 Akash Jadhav , Michael Greenspan

We propose a minimal solution for pose estimation using both points and lines for a multi-perspective camera. In this paper, we treat the multi-perspective camera as a collection of rigidly attached perspective cameras. These type of…

Computer Vision and Pattern Recognition · Computer Science 2018-07-27 Pedro Miraldo , Tiago Dias , Srikumar Ramalingam

We propose a method for human pose estimation based on Deep Neural Networks (DNNs). The pose estimation is formulated as a DNN-based regression problem towards body joints. We present a cascade of such DNN regressors which results in high…

Computer Vision and Pattern Recognition · Computer Science 2016-11-18 Alexander Toshev , Christian Szegedy

6D pose estimation of rigid objects is a long-standing and challenging task in computer vision. Recently, the emergence of deep learning reveals the potential of Convolutional Neural Networks (CNNs) to predict reliable 6D poses. Given that…

Computer Vision and Pattern Recognition · Computer Science 2025-03-25 Xingyu Liu , Ruida Zhang , Chenyangguang Zhang , Gu Wang , Jiwen Tang , Zhigang Li , Xiangyang Ji

Camera pose estimation is a fundamental problem in robotics. This paper focuses on two issues of interest: First, point and line features have complementary advantages, and it is of great value to design a uniform algorithm that can fuse…

Robotics · Computer Science 2024-07-24 Guangyang Zeng , Biqiang Mu , Qingcheng Zeng , Yuchen Song , Chulin Dai , Guodong Shi , Junfeng Wu

Following the success of deep convolutional networks, state-of-the-art methods for 3d human pose estimation have focused on deep end-to-end systems that predict 3d joint locations given raw image pixels. Despite their excellent performance,…

Computer Vision and Pattern Recognition · Computer Science 2017-08-08 Julieta Martinez , Rayat Hossain , Javier Romero , James J. Little

Detecting 3D lanes from the camera is a rising problem for autonomous vehicles. In this task, the correct camera pose is the key to generating accurate lanes, which can transform an image from perspective-view to the top-view. With this…

Computer Vision and Pattern Recognition · Computer Science 2022-01-03 Ruijin Liu , Dapeng Chen , Tie Liu , Zhiliang Xiong , Zejian Yuan

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

Blind Perspective-n-Point (PnP) is the problem of estimating the position and orientation of a camera relative to a scene, given 2D image points and 3D scene points, without prior knowledge of the 2D-3D correspondences. Solving for pose and…

Computer Vision and Pattern Recognition · Computer Science 2020-09-09 Dylan Campbell , Liu Liu , Stephen Gould

Estimating the 6D pose of objects using only RGB images remains challenging because of problems such as occlusion and symmetries. It is also difficult to construct 3D models with precise texture without expert knowledge or specialized…

Computer Vision and Pattern Recognition · Computer Science 2020-03-24 Kiru Park , Timothy Patten , Markus Vincze