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In this paper, we propose a novel 3D human pose estimation algorithm from a single image based on neural networks. We adopted the structure of the relational networks in order to capture the relations among different body parts. In our…

计算机视觉与模式识别 · 计算机科学 2018-07-23 Sungheon Park , Nojun Kwak

Landmark/pose estimation in single monocular images have received much effort in computer vision due to its important applications. It remains a challenging task when input images severe occlusions caused by, e.g., adverse camera views.…

计算机视觉与模式识别 · 计算机科学 2019-02-26 Yu Chen , Chunhua Shen , Hao Chen , Xiu-Shen Wei , Lingqiao Liu , Jian Yang

Accurate 3D pose estimation of grasped objects is an important prerequisite for robots to perform assembly or in-hand manipulation tasks, but object occlusion by the robot's own hand greatly increases the difficulty of this perceptual task.…

This paper addresses the problem of 3D human body shape and pose estimation from RGB images. Recent progress in this field has focused on single images, video or multi-view images as inputs. In contrast, we propose a new task: shape and…

计算机视觉与模式识别 · 计算机科学 2021-03-31 Akash Sengupta , Ignas Budvytis , Roberto Cipolla

Hand shadow art is a captivating art form, creatively using hand shadows to reproduce expressive shapes on the wall. In this work, we study an inverse problem: given a target shape, find the poses of left and right hands that together best…

计算几何 · 计算机科学 2025-05-13 Hao Xu , Yinqiao Wang , Niloy J. Mitra , Shuaicheng Liu , Pheng-Ann Heng , Chi-Wing Fu

Modeling hand-object manipulations is essential for understanding how humans interact with their environment. While of practical importance, estimating the pose of hands and objects during interactions is challenging due to the large mutual…

计算机视觉与模式识别 · 计算机科学 2020-04-29 Yana Hasson , Bugra Tekin , Federica Bogo , Ivan Laptev , Marc Pollefeys , Cordelia Schmid

In this paper, we introduce a method to automatically reconstruct the 3D motion of a person interacting with an object from a single RGB video. Our method estimates the 3D poses of the person and the object, contact positions, and forces…

计算机视觉与模式识别 · 计算机科学 2019-06-18 Zongmian Li , Jiri Sedlar , Justin Carpentier , Ivan Laptev , Nicolas Mansard , Josef Sivic

This work presents a framework for monocular 6D pose estimation of surgical instruments in open surgery, addressing challenges such as object articulations, specularity, occlusions, and synthetic-to-real domain adaptation. The proposed…

计算机视觉与模式识别 · 计算机科学 2026-02-02 Robert Spektor , Tom Friedman , Itay Or , Gil Bolotin , Shlomi Laufer

In monocular 3D human pose estimation a common setup is to first detect 2D positions and then lift the detection into 3D coordinates. Many algorithms suffer from overfitting to camera positions in the training set. We propose a siamese…

计算机视觉与模式识别 · 计算机科学 2019-02-19 Márton Véges , Viktor Varga , András Lőrincz

Driven by recent computer vision and robotic applications, recovering 3D human poses has become increasingly important and attracted growing interests. In fact, completing this task is quite challenging due to the diverse appearances,…

计算机视觉与模式识别 · 计算机科学 2019-01-16 Keze Wang , Liang Lin , Chenhan Jiang , Chen Qian , Pengxu Wei

Current unsupervised 2D-3D human pose estimation (HPE) methods do not work in multi-person scenarios due to perspective ambiguity in monocular images. Therefore, we present one of the first studies investigating the feasibility of…

计算机视觉与模式识别 · 计算机科学 2024-03-13 Peter Hardy , Hansung Kim

Previous learning based hand pose estimation methods does not fully exploit the prior information in hand model geometry. Instead, they usually rely a separate model fitting step to generate valid hand poses. Such a post processing is…

计算机视觉与模式识别 · 计算机科学 2016-06-23 Xingyi Zhou , Qingfu Wan , Wei Zhang , Xiangyang Xue , Yichen Wei

We introduce a new approach for estimating the 3D pose and the 3D shape of an object from a single image. Given a training set of view exemplars, we learn and select appearance-based discriminative parts which are mapped onto the 3D model…

计算机视觉与模式识别 · 计算机科学 2015-02-03 Menglong Zhu , Xiaowei Zhou , Kostas Daniilidis

Contemporary monocular 6D pose estimation methods can only cope with a handful of object instances. This naturally hampers possible applications as, for instance, robots seamlessly integrated in everyday processes necessarily require the…

计算机视觉与模式识别 · 计算机科学 2020-09-14 Fabian Manhardt , Gu Wang , Benjamin Busam , Manuel Nickel , Sven Meier , Luca Minciullo , Xiangyang Ji , Nassir Navab

In this paper, we present a method for simultaneous articulation model estimation and segmentation of an articulated object in RGB-D images using human hand motion. Our method uses the hand motion in the processes of the initial…

机器人学 · 计算机科学 2020-05-11 Richard Sahala Hartanto , Ryoichi Ishikawa , Menandro Roxas , Takeshi Oishi

In this paper, we propose a fully convolutional network for 3D human pose estimation from monocular images. We use limb orientations as a new way to represent 3D poses and bind the orientation together with the bounding box of each limb…

计算机视觉与模式识别 · 计算机科学 2018-12-06 Chenxu Luo , Xiao Chu , Alan Yuille

Unlike traditional robotic hands, underactuated compliant hands are challenging to model due to inherent uncertainties. Consequently, pose estimation of a grasped object is usually performed based on visual perception. However, visual…

机器人学 · 计算机科学 2024-01-18 Osher Azulay , Inbar Ben-David , Avishai Sintov

We propose a method for in-hand 3D scanning of an unknown object with a monocular camera. Our method relies on a neural implicit surface representation that captures both the geometry and the appearance of the object, however, by contrast…

计算机视觉与模式识别 · 计算机科学 2023-06-23 Shreyas Hampali , Tomas Hodan , Luan Tran , Lingni Ma , Cem Keskin , Vincent Lepetit

Reconstructing two-hand interactions from a single image is a challenging problem due to ambiguities that stem from projective geometry and heavy occlusions. Existing methods are designed to estimate only a single pose, despite the fact…

计算机视觉与模式识别 · 计算机科学 2022-10-05 Jiayi Wang , Diogo Luvizon , Franziska Mueller , Florian Bernard , Adam Kortylewski , Dan Casas , Christian Theobalt

Estimating 3D from 2D is one of the central tasks in computer vision. In this work, we consider the monocular setting, i.e. single-view input, for 3D human pose estimation (HPE). Here, the task is to predict a 3D point set of human skeletal…

计算机视觉与模式识别 · 计算机科学 2026-01-21 Pavlo Melnyk , Cuong Le , Urs Waldmann , Per-Erik Forssén , Bastian Wandt