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Textual graphs are ubiquitous in real-world applications, featuring rich text information with complex relationships, which enables advanced research across various fields. Textual graph representation learning aims to generate…

机器学习 · 计算机科学 2024-08-22 Wenbin Hu , Huihao Jing , Qi Hu , Haoran Li , Yangqiu Song

We introduce FocalPose++, a neural render-and-compare method for jointly estimating the camera-object 6D pose and camera focal length given a single RGB input image depicting a known object. The contributions of this work are threefold.…

计算机视觉与模式识别 · 计算机科学 2024-11-08 Martin Cífka , Georgy Ponimatkin , Yann Labbé , Bryan Russell , Mathieu Aubry , Vladimir Petrik , Josef Sivic

We present a new method for estimating the 6D pose of rigid objects with available 3D models from a single RGB input image. The method is applicable to a broad range of objects, including challenging ones with global or partial symmetries.…

计算机视觉与模式识别 · 计算机科学 2020-04-02 Tomas Hodan , Daniel Barath , Jiri Matas

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

6-DoF object pose estimation from a monocular image is challenging, and a post-refinement procedure is generally needed for high-precision estimation. In this paper, we propose a framework based on a recurrent neural network (RNN) for…

计算机视觉与模式识别 · 计算机科学 2022-04-12 Yan Xu , Kwan-Yee Lin , Guofeng Zhang , Xiaogang Wang , Hongsheng Li

This paper addresses the task of estimating the 6 degrees of freedom pose of a known 3D object from depth information represented by a point cloud. Deep features learned by convolutional neural networks from color information have been the…

计算机视觉与模式识别 · 计算机科学 2020-01-27 Ge Gao , Mikko Lauri , Yulong Wang , Xiaolin Hu , Jianwei Zhang , Simone Frintrop

Estimation of 3D gaze is highly relevant to multiple fields, including but not limited to interactive systems, specialized human-computer interfaces, and behavioral research. Although recently deep learning methods have boosted the accuracy…

计算机视觉与模式识别 · 计算机科学 2020-11-04 Gabriel Lefundes , Luciano Oliveira

6D object pose estimation is a fundamental problem in computer vision. Convolutional Neural Networks (CNNs) have recently proven to be capable of predicting reliable 6D pose estimates even from monocular images. Nonetheless, CNNs are…

计算机视觉与模式识别 · 计算机科学 2020-08-05 Gu Wang , Fabian Manhardt , Jianzhun Shao , Xiangyang Ji , Nassir Navab , Federico Tombari

We present Contextualized Local Visual Embeddings (CLoVE), a self-supervised convolutional-based method that learns representations suited for dense prediction tasks. CLoVE deviates from current methods and optimizes a single loss function…

计算机视觉与模式识别 · 计算机科学 2023-10-05 Thalles Santos Silva , Helio Pedrini , Adín Ramírez Rivera

We introduce a novel method for 3D object detection and pose estimation from color images only. We first use segmentation to detect the objects of interest in 2D even in presence of partial occlusions and cluttered background. By contrast…

计算机视觉与模式识别 · 计算机科学 2018-03-28 Mahdi Rad , Vincent Lepetit

Object 6D pose estimation, a crucial task for robotics and augmented reality applications, becomes particularly challenging when dealing with novel objects whose 3D models are not readily available. To reduce dependency on 3D models, recent…

计算机视觉与模式识别 · 计算机科学 2025-12-16 Dexin Zuo , Ang Li , Wei Wang , Wenxian Yu , Danping Zou

Accurate 3D human pose estimation is a challenging task due to occlusion and depth ambiguity. In this paper, we introduce a multi-hop graph transformer network designed for 2D-to-3D human pose estimation in videos by leveraging the…

计算机视觉与模式识别 · 计算机科学 2024-05-07 Zaedul Islam , A. Ben Hamza

In this paper, we develop a new aligned vertex convolutional network model to learn multi-scale local-level vertex features for graph classification. Our idea is to transform the graphs of arbitrary sizes into fixed-sized aligned vertex…

机器学习 · 计算机科学 2019-02-27 Lu Bai , Lixin Cui , Shu Wu , Yuhang Jiao , Edwin R. Hancock

In this paper, we detail the relationship between convolutions and self-attention in natural language tasks. We show that relative position embeddings in self-attention layers are equivalent to recently-proposed dynamic lightweight…

计算与语言 · 计算机科学 2021-06-11 Tyler A. Chang , Yifan Xu , Weijian Xu , Zhuowen Tu

In this paper, we focus on the problem of category-level object pose estimation, which is challenging due to the large intra-category shape variation. 3D graph convolution (3D-GC) based methods have been widely used to extract local…

计算机视觉与模式识别 · 计算机科学 2023-03-29 Linfang Zheng , Chen Wang , Yinghan Sun , Esha Dasgupta , Hua Chen , Ales Leonardis , Wei Zhang , Hyung Jin Chang

In this work, we propose a method for object recognition and pose estimation from depth images using convolutional neural networks. Previous methods addressing this problem rely on manifold learning to learn low dimensional viewpoint…

计算机视觉与模式识别 · 计算机科学 2019-04-19 Mai Bui , Sergey Zakharov , Shadi Albarqouni , Slobodan Ilic , Nassir Navab

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…

计算机视觉与模式识别 · 计算机科学 2022-07-07 Ivan Shugurov , Sergey Zakharov , Slobodan Ilic

In this paper, a self-learning approach is proposed towards solving scene-specific pedestrian detection problem without any human' annotation involved. The self-learning approach is deployed as progressive steps of object discovery, object…

计算机视觉与模式识别 · 计算机科学 2016-11-24 Qixiang Ye , Tianliang Zhang , Qiang Qiu , Baochang Zhang , Jie Chen , Guillermo Sapiro

We addressed the challenging task of video question answering, which requires machines to answer questions about videos in a natural language form. Previous state-of-the-art methods attempt to apply spatio-temporal attention mechanism on…

计算机视觉与模式识别 · 计算机科学 2020-08-21 Deng Huang , Peihao Chen , Runhao Zeng , Qing Du , Mingkui Tan , Chuang Gan

Autonomous robot manipulation involves estimating the translation and orientation of the object to be manipulated as a 6-degree-of-freedom (6D) pose. Methods using RGB-D data have shown great success in solving this problem. However, there…

计算机视觉与模式识别 · 计算机科学 2020-05-08 Gideon Billings , Matthew Johnson-Roberson