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相关论文: 3D Equivariant Pose Regression via Direct Wigner-D…

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In this paper, we propose an advanced methodology for the detection of 3D objects and precise estimation of their spatial positions from a single image. Unlike conventional frameworks that rely solely on center-point and dimension…

计算机视觉与模式识别 · 计算机科学 2024-01-04 Dhyey Manish Rajani , Surya Pratap Singh , Rahul Kashyap Swayampakula

Human pose estimation from single images is a challenging problem that is typically solved by supervised learning. Unfortunately, labeled training data does not yet exist for many human activities since 3D annotation requires dedicated…

计算机视觉与模式识别 · 计算机科学 2021-12-15 Bastian Wandt , James J. Little , Helge Rhodin

We propose a method for self-supervised image representation learning under the guidance of 3D geometric consistency. Our intuition is that 3D geometric consistency priors such as smooth regions and surface discontinuities may imply…

计算机视觉与模式识别 · 计算机科学 2022-03-30 Nenglun Chen , Lei Chu , Hao Pan , Yan Lu , Wenping Wang

Based on the theory of homogeneous spaces we derive geometrically optimal edge attributes to be used within the flexible message-passing framework. We formalize the notion of weight sharing in convolutional networks as the sharing of…

机器学习 · 计算机科学 2024-03-18 Erik J Bekkers , Sharvaree Vadgama , Rob D Hesselink , Putri A van der Linden , David W Romero

Pose estimation is a vital step in many robotics and perception tasks such as robotic manipulation, autonomous vehicle navigation, etc. Current state-of-the-art pose estimation methods rely on deep neural networks with complicated…

计算机视觉与模式识别 · 计算机科学 2019-11-19 Abhinav Jain , Frank Dellaert

Accurate rotation estimation is at the heart of robot perception tasks such as visual odometry and object pose estimation. Deep neural networks have provided a new way to perform these tasks, and the choice of rotation representation is an…

计算机视觉与模式识别 · 计算机科学 2021-01-19 Valentin Peretroukhin , Matthew Giamou , David M. Rosen , W. Nicholas Greene , Nicholas Roy , Jonathan Kelly

Point cloud registration is a foundational task for 3D alignment and reconstruction applications. While both traditional and learning-based registration approaches have succeeded, leveraging the intrinsic symmetry of point cloud data,…

计算机视觉与模式识别 · 计算机科学 2024-10-10 Xueyang Kang , Zhaoliang Luan , Kourosh Khoshelham , Bing Wang

Rotation equivariance has recently become a strongly desired property in the 3D deep learning community. Yet most existing methods focus on equivariance regarding a global input rotation while ignoring the fact that rotation symmetry has…

计算机视觉与模式识别 · 计算机科学 2022-07-12 Hong-Xing Yu , Jiajun Wu , Li Yi

We propose a system that learns to detect objects and infer their 3D poses in RGB-D images. Many existing systems can identify objects and infer 3D poses, but they heavily rely on human labels and 3D annotations. The challenge here is to…

计算机视觉与模式识别 · 计算机科学 2020-11-02 Mihir Prabhudesai , Shamit Lal , Hsiao-Yu Fish Tung , Adam W. Harley , Shubhankar Potdar , Katerina Fragkiadaki

Steerable models can provide very general and flexible equivariance by formulating equivariance requirements in the language of representation theory and feature fields, which has been recognized to be effective for many vision tasks.…

计算机视觉与模式识别 · 计算机科学 2022-08-09 Zhengyang Shen , Tao Hong , Qi She , Jinwen Ma , Zhouchen Lin

Intraoperative 2D/3D registration aligns preoperative 3D volumes with real-time 2D radiographs, enabling accurate localization of instruments and implants. A recent fully differentiable similarity learning framework approximates geodesic…

计算机视觉与模式识别 · 计算机科学 2025-11-25 Minheng Chen , Youyong Kong

We propose a novel approach to jointly perform 3D shape retrieval and pose estimation from monocular images.In order to make the method robust to real-world image variations, e.g. complex textures and backgrounds, we learn an embedding…

计算机视觉与模式识别 · 计算机科学 2019-03-28 Kyaw Zaw Lin , Weipeng Xu , Qianru Sun , Christian Theobalt , Tat-Seng Chua

Monocular 3D human pose estimation technologies have the potential to greatly increase the availability of human movement data. The best-performing models for single-image 2D-3D lifting use graph convolutional networks (GCNs) that typically…

计算机视觉与模式识别 · 计算机科学 2022-08-09 Sebastian Lutz , Richard Blythman , Koustav Ghosal , Matthew Moynihan , Ciaran Simms , Aljosa Smolic

We present a novel adaptive machine-learning based approach for reconstructing three-dimensional (3D) crystals from coherent diffraction imaging (CDI). We represent the crystals using spherical harmonics (SH) and generate corresponding…

计算物理 · 物理学 2020-12-02 Alexander Scheinker , Reeju Pokharel

This paper aims to solve a fundamental problem in intensity-based 2D/3D registration, which concerns the limited capture range and need for very good initialization of state-of-the-art image registration methods. We propose a regression…

计算机视觉与模式识别 · 计算机科学 2017-03-07 Benjamin Hou , Amir Alansary , Steven McDonagh , Alice Davidson , Mary Rutherford , Jo V. Hajnal , Daniel Rueckert , Ben Glocker , Bernhard Kainz

We present a joint 3D pose and focal length estimation approach for object categories in the wild. In contrast to previous methods that predict 3D poses independently of the focal length or assume a constant focal length, we explicitly…

计算机视觉与模式识别 · 计算机科学 2019-08-09 Alexander Grabner , Peter M. Roth , Vincent Lepetit

Object pose estimation is a fundamental problem in robotics and computer vision, yet it remains challenging due to partial observability, occlusions, and object symmetries, which inevitably lead to pose ambiguity and multiple hypotheses…

计算机视觉与模式识别 · 计算机科学 2025-11-04 Yufeng Jin , Niklas Funk , Vignesh Prasad , Zechu Li , Mathias Franzius , Jan Peters , Georgia Chalvatzaki

This work addresses the challenging problem of unconstrained 3D hand pose estimation using monocular RGB images. Most of the existing approaches assume some prior knowledge of hand (such as hand locations and side information) is available…

计算机视觉与模式识别 · 计算机科学 2019-12-02 Sanjeev Sharma , Shaoli Huang , Dacheng Tao

This article deals with approximating steady-state particle-resolved fluid flow around a fixed particle of interest under the influence of randomly distributed stationary particles in a dispersed multiphase setup using Convolutional Neural…

流体动力学 · 物理学 2021-10-25 Bhargav Sriram Siddani , S. Balachandar , Ruogu Fang

Pose prediction is to predict future poses given a window of previous poses. In this paper, we propose a new problem that predicts poses using 3D joint coordinate sequences. Different from the traditional pose prediction based on Mocap…

计算机视觉与模式识别 · 计算机科学 2019-09-05 Xiaoli Liu , Jianqin Yin , Huaping Liu , Yilong Yin