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The goal of this paper is to estimate the viewpoint for a novel object. Standard viewpoint estimation approaches generally fail on this task due to their reliance on a 3D model for alignment or large amounts of class-specific training data…

计算机视觉与模式识别 · 计算机科学 2020-06-08 Mohamed El Banani , Jason J. Corso , David F. Fouhey

Recognizing precise geometrical configurations of groups of objects is a key capability of human spatial cognition, yet little studied in the deep learning literature so far. In particular, a fundamental problem is how a machine can learn…

机器学习 · 计算机科学 2020-07-20 Laetitia Teodorescu , Katja Hofmann , Pierre-Yves Oudeyer

In this paper, we aim to recover the 3D human pose from 2D body joints of a single image. The major challenge in this task is the depth ambiguity since different 3D poses may produce similar 2D poses. Although many recent advances in this…

计算机视觉与模式识别 · 计算机科学 2019-06-03 Mengxi Jiang , Zhuliang Yu , Cuihua Li , Yunqi Lei

Numerous 6D pose estimation methods have been proposed that employ end-to-end regression to directly estimate the target pose parameters. Since the visible features of objects are implicitly influenced by their poses, the network allows…

计算机视觉与模式识别 · 计算机科学 2023-08-23 Jianqiu Chen , Mingshan Sun , Ye Zheng , Tianpeng Bao , Zhenyu He , Donghai Li , Guoqiang Jin , Rui Zhao , Liwei Wu , Xiaoke Jiang

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

Category-level 6D object pose and size estimation is to predict full pose configurations of rotation, translation, and size for object instances observed in single, arbitrary views of cluttered scenes. In this paper, we propose a new method…

计算机视觉与模式识别 · 计算机科学 2021-08-17 Jiehong Lin , Zewei Wei , Zhihao Li , Songcen Xu , Kui Jia , Yuanqing Li

Visual Odometry (VO) is used in many applications including robotics and autonomous systems. However, traditional approaches based on feature matching are computationally expensive and do not directly address failure cases, instead relying…

计算机视觉与模式识别 · 计算机科学 2022-09-19 Nimet Kaygusuz , Oscar Mendez , Richard Bowden

Human pose estimation using deep neural networks aims to map input images with large variations into multiple body keypoints which must satisfy a set of geometric constraints and inter-dependency imposed by the human body model. This is a…

计算机视觉与模式识别 · 计算机科学 2017-08-11 Guanghan Ning , Zhi Zhang , Zhihai He

Determining the relative pose of a previously unseen object between two images is pivotal to the success of generalizable object pose estimation. Existing approaches typically predict 3D translation utilizing the ground-truth object…

计算机视觉与模式识别 · 计算机科学 2025-03-18 Chen Zhao , Tong Zhang , Zheng Dang , Mathieu Salzmann

Recently, deep metric learning techniques received attention, as the learned distance representations are useful to capture the similarity relationship among samples and further improve the performance of various of supervised or…

计算机视觉与模式识别 · 计算机科学 2023-04-21 Zhiyuan Li , Anca Ralescu

Recently, deep neural networks have made remarkable achievements in 3D point cloud classification. However, existing classification methods are mainly implemented on idealized point clouds and suffer heavy degradation of per-formance on…

计算机视觉与模式识别 · 计算机科学 2022-05-06 Guoquan Xu , Hezhi Cao , Yifan Zhang , Jianwei Wan , Ke Xu , Yanxin Ma

Estimating the 3D pose of an object is a challenging task that can be considered within augmented reality or robotic applications. In this paper, we propose a novel approach to perform 6 DoF object pose estimation from a single RGB-D image.…

计算机视觉与模式识别 · 计算机科学 2022-05-31 Mathieu Gonzalez , Amine Kacete , Albert Murienne , Eric Marchand

Detecting objects and estimating their 6D poses is essential for automated systems to interact safely with the environment. Most 6D pose estimators, however, rely on a single camera frame and suffer from occlusions and ambiguities due to…

计算机视觉与模式识别 · 计算机科学 2023-07-04 Fabian Duffhauss , Sebastian Koch , Hanna Ziesche , Ngo Anh Vien , Gerhard Neumann

Maps are a key component in image-based camera localization and visual SLAM systems: they are used to establish geometric constraints between images, correct drift in relative pose estimation, and relocalize cameras after lost tracking. The…

计算机视觉与模式识别 · 计算机科学 2018-04-03 Samarth Brahmbhatt , Jinwei Gu , Kihwan Kim , James Hays , Jan Kautz

Deep neural networks (DNNs) trained on large-scale datasets have recently achieved impressive improvements in face recognition. But a persistent challenge remains to develop methods capable of handling large pose variations that are…

计算机视觉与模式识别 · 计算机科学 2017-08-17 Xi Peng , Xiang Yu , Kihyuk Sohn , Dimitris Metaxas , Manmohan Chandraker

Deep object pose estimators are notoriously overconfident. A grasping agent that both estimates the 6-DoF pose of a target object and predicts the uncertainty of its own estimate could avoid task failure by choosing not to act under high…

机器人学 · 计算机科学 2025-06-27 Eric C. Joyce , Qianwen Zhao , Nathaniel Burgdorfer , Long Wang , Philippos Mordohai

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

We propose a deep neural network fusion architecture for fast and robust pedestrian detection. The proposed network fusion architecture allows for parallel processing of multiple networks for speed. A single shot deep convolutional network…

计算机视觉与模式识别 · 计算机科学 2017-05-30 Xianzhi Du , Mostafa El-Khamy , Jungwon Lee , Larry S. Davis

Camera localization is a classical computer vision task that serves various Artificial Intelligence and Robotics applications. With the rapid developments of Deep Neural Networks (DNNs), end-to-end visual localization methods are prosperous…

计算机视觉与模式识别 · 计算机科学 2023-04-13 Xudong Zhang , Shuang Gao , Xiaohu Nan , Haikuan Ning , Yuchen Yang , Yishan Ping , Jixiang Wan , Shuzhou Dong , Jijunnan Li , Yandong Guo

We present a method for learning an embedding that places images of humans in similar poses nearby. This embedding can be used as a direct method of comparing images based on human pose, avoiding potential challenges of estimating body…

计算机视觉与模式识别 · 计算机科学 2015-07-02 Greg Mori , Caroline Pantofaru , Nisarg Kothari , Thomas Leung , George Toderici , Alexander Toshev , Weilong Yang