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Estimating the 6D object pose from a single RGB image often involves noise and indeterminacy due to challenges such as occlusions and cluttered backgrounds. Meanwhile, diffusion models have shown appealing performance in generating…

计算机视觉与模式识别 · 计算机科学 2024-03-25 Li Xu , Haoxuan Qu , Yujun Cai , Jun Liu

Recent research on learned visual descriptors has shown promising improvements in correspondence estimation, a key component of many 3D vision tasks. However, existing descriptor learning frameworks typically require ground-truth…

计算机视觉与模式识别 · 计算机科学 2024-01-30 Qianqian Wang , Xiaowei Zhou , Bharath Hariharan , Noah Snavely

Large-scale point cloud generated from 3D sensors is more accurate than its image-based counterpart. However, it is seldom used in visual pose estimation due to the difficulty in obtaining 2D-3D image to point cloud correspondences. In this…

计算机视觉与模式识别 · 计算机科学 2019-04-23 Mengdan Feng , Sixing Hu , Marcelo Ang , Gim Hee Lee

Direct image-to-image alignment that relies on the optimization of photometric error metrics suffers from limited convergence range and sensitivity to lighting conditions. Deep learning approaches has been applied to address this problem by…

计算机视觉与模式识别 · 计算机科学 2018-12-27 Lei Han , Mengqi Ji , Lu Fang , Matthias Nießner

Recovering 3D human pose from 2D joints is a highly unconstrained problem. We propose a novel neural network framework, PoseNet3D, that takes 2D joints as input and outputs 3D skeletons and SMPL body model parameters. By casting our…

计算机视觉与模式识别 · 计算机科学 2020-11-13 Shashank Tripathi , Siddhant Ranade , Ambrish Tyagi , Amit Agrawal

The existing human pose estimation methods are confronted with inaccurate long-distance regression or high computational cost due to the complex learning objectives. This work proposes a novel deep learning framework for human pose…

计算机视觉与模式识别 · 计算机科学 2021-05-18 ZiFan Chen , Xin Qin , Chao Yang , Li Zhang

Camera with a fisheye or ultra-wide lens covers a wide field of view that cannot be modeled by the perspective projection. Serious fisheye lens distortion in the peripheral region of the image leads to degraded performance of the existing…

计算机视觉与模式识别 · 计算机科学 2024-04-11 Bing Li , Dong Zhang , Cheng Huang , Yun Xian , Ming Li , Dah-Jye Lee

Estimating the 6D pose and 3D size of an object from an image is a fundamental task in computer vision. Most current approaches are restricted to specific instances with known models or require ground truth depth information or point cloud…

计算机视觉与模式识别 · 计算机科学 2024-12-17 Adam Bethell , Ravi Garg , Ian Reid

We describe a data-driven method for inferring the camera viewpoints given multiple images of an arbitrary object. This task is a core component of classic geometric pipelines such as SfM and SLAM, and also serves as a vital pre-processing…

计算机视觉与模式识别 · 计算机科学 2022-10-04 Jason Y. Zhang , Deva Ramanan , Shubham Tulsiani

Pose estimation of 3D objects in monocular images is a fundamental and long-standing problem in computer vision. Existing deep learning approaches for 6D pose estimation typically rely on the assumption of availability of 3D object models…

计算机视觉与模式识别 · 计算机科学 2023-09-12 Fu Li , Hao Yu , Ivan Shugurov , Benjamin Busam , Shaowu Yang , Slobodan Ilic

Solving the camera-to-robot pose is a fundamental requirement for vision-based robot control, and is a process that takes considerable effort and cares to make accurate. Traditional approaches require modification of the robot via markers,…

计算机视觉与模式识别 · 计算机科学 2023-03-22 Jingpei Lu , Florian Richter , Michael C. Yip

In this paper, we address the problem of 3D object instance recognition and pose estimation of localized objects in cluttered environments using convolutional neural networks. Inspired by the descriptor learning approach of Wohlhart et al.,…

计算机视觉与模式识别 · 计算机科学 2019-04-11 Sergey Zakharov , Wadim Kehl , Benjamin Planche , Andreas Hutter , Slobodan Ilic

Recently, several deep learning models have been proposed for 3D human pose estimation. Nevertheless, most of these approaches only focus on the single-person case or estimate 3D pose of a few people at high resolution. Furthermore, many…

计算机视觉与模式识别 · 计算机科学 2021-01-08 Abdallah Benzine , Florian Chabot , Bertrand Luvison , Quoc Cong Pham , Cahterine Achrd

Relative pose estimation provides a promising way for achieving object-agnostic pose estimation. Despite the success of existing 3D correspondence-based methods, the reliance on explicit feature matching suffers from small overlaps in…

计算机视觉与模式识别 · 计算机科学 2025-11-21 Yihan Chen , Wenfei Yang , Huan Ren , Shifeng Zhang , Tianzhu Zhang , Feng Wu

Obtaining accurate 3D object poses is vital for numerous computer vision applications, such as 3D reconstruction and scene understanding. However, annotating real-world objects is time-consuming and challenging. While synthetically…

计算机视觉与模式识别 · 计算机科学 2023-05-26 Jiahao Yang , Wufei Ma , Angtian Wang , Xiaoding Yuan , Alan Yuille , Adam Kortylewski

We address the problem of learning accurate 3D shape and camera pose from a collection of unlabeled category-specific images. We train a convolutional network to predict both the shape and the pose from a single image by minimizing the…

计算机视觉与模式识别 · 计算机科学 2018-10-23 Eldar Insafutdinov , Alexey Dosovitskiy

Visual localization is to estimate the 6-DOF camera pose of a query image in a 3D reference map. We extract keypoints from the reference image and generate a 3D reference map with 3D reconstruction of the keypoints in advance. We emphasize…

计算机视觉与模式识别 · 计算机科学 2025-04-01 Masahiko Tsuji , Hitoshi Niigaki , Ryuichi Tanida

The two-stage object pose estimation paradigm first detects semantic keypoints on the image and then estimates the 6D pose by minimizing reprojection errors. Despite performing well on standard benchmarks, existing techniques offer no…

计算机视觉与模式识别 · 计算机科学 2023-03-23 Heng Yang , Marco Pavone

While many recent hand pose estimation methods critically rely on a training set of labelled frames, the creation of such a dataset is a challenging task that has been overlooked so far. As a result, existing datasets are limited to a few…

计算机视觉与模式识别 · 计算机科学 2016-12-05 Markus Oberweger , Gernot Riegler , Paul Wohlhart , Vincent Lepetit

This paper proposes a robust localization system that employs deep learning for better scene representation, and enhances the accuracy of 6-DOF camera pose estimation. Inspired by the fact that global scene structure can be revealed by wide…

计算机视觉与模式识别 · 计算机科学 2019-04-23 Hsin-I Chen , Sebastian Agethen , Chiamin Wu , Winston Hsu , Bing-Yu Chen