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The surgical usage of Mixed Reality (MR) has received growing attention in areas such as surgical navigation systems, skill assessment, and robot-assisted surgeries. For such applications, pose estimation for hand and surgical instruments…

Computer Vision and Pattern Recognition · Computer Science 2023-10-05 Rui Wang , Sophokles Ktistakis , Siwei Zhang , Mirko Meboldt , Quentin Lohmeyer

Tremendous amounts of expensive annotated data are a vital ingredient for state-of-the-art 3d hand pose estimation. Therefore, synthetic data has been popularized as annotations are automatically available. However, models trained only with…

Computer Vision and Pattern Recognition · Computer Science 2018-07-17 Masoud Abdi , Ehsan Abbasnejad , Chee Peng Lim , Saeid Nahavandi

In this letter, we introduce ViHOPE, a novel framework for estimating the 6D pose of an in-hand object using visuotactile perception. Our key insight is that the accuracy of the 6D object pose estimate can be improved by explicitly…

Robotics · Computer Science 2023-09-12 Hongyu Li , Snehal Dikhale , Soshi Iba , Nawid Jamali

We present a new multi-stream 3D mesh reconstruction network (MSMR-Net) for hand pose estimation from a single RGB image. Our model consists of an image encoder followed by a mesh-convolution decoder composed of connected graph convolution…

Computer Vision and Pattern Recognition · Computer Science 2021-04-27 Uri Wollner , Guy Ben-Yosef

We present a neural rendering framework that maps a voxelized scene into a high quality image. Highly-textured objects and scene element interactions are realistically rendered by our method, despite having a rough representation as an…

Computer Vision and Pattern Recognition · Computer Science 2020-04-07 Konstantinos Rematas , Vittorio Ferrari

We tackle the problem of estimating the 3D pose of an individual's upper limbs (arms+hands) from a chest mounted depth-camera. Importantly, we consider pose estimation during everyday interactions with objects. Past work shows that strong…

Computer Vision and Pattern Recognition · Computer Science 2014-12-02 Gregory Rogez , James S. Supancic , Deva Ramanan

One of the fundamental challenges in supervised learning for multimodal image registration is the lack of ground-truth for voxel-level spatial correspondence. This work describes a method to infer voxel-level transformation from…

This paper proposes a universal framework, called OVE6D, for model-based 6D object pose estimation from a single depth image and a target object mask. Our model is trained using purely synthetic data rendered from ShapeNet, and, unlike most…

Computer Vision and Pattern Recognition · Computer Science 2022-04-11 Dingding Cai , Janne Heikkilä , Esa Rahtu

Being able to grasp objects is a fundamental component of most robotic manipulation systems. In this paper, we present a new approach to simultaneously reconstruct a mesh and a dense grasp quality map of an object from a depth image. At the…

Robotics · Computer Science 2022-12-21 Nikhil Chavan-Dafle , Sergiy Popovych , Shubham Agrawal , Daniel D. Lee , Volkan Isler

We propose a novel framework to reconstruct accurate appearance and geometry with neural radiance fields (NeRF) for interacting hands, enabling the rendering of photo-realistic images and videos for gesture animation from arbitrary views.…

Computer Vision and Pattern Recognition · Computer Science 2023-03-27 Zhiyang Guo , Wengang Zhou , Min Wang , Li Li , Houqiang Li

Localization is an indispensable component of a robot's autonomy stack that enables it to determine where it is in the environment, essentially making it a precursor for any action execution or planning. Although convolutional neural…

Robotics · Computer Science 2018-03-13 Abhinav Valada , Noha Radwan , Wolfram Burgard

Automatic 3D neuron reconstruction is critical for analysing the morphology and functionality of neurons in brain circuit activities. However, the performance of existing tracing algorithms is hinged by the low image quality. Recently, a…

Image and Video Processing · Electrical Eng. & Systems 2021-09-17 Heng Wang , Chaoyi Zhang , Jianhui Yu , Yang Song , Siqi Liu , Wojciech Chrzanowski , Weidong Cai

Action recognition is essential for egocentric video understanding, allowing automatic and continuous monitoring of Activities of Daily Living (ADLs) without user effort. Existing literature focuses on 3D hand pose input, which requires…

Computer Vision and Pattern Recognition · Computer Science 2024-07-25 Wiktor Mucha , Martin Kampel

Compared to 2D object bounding-box labeling, it is very difficult for humans to annotate 3D object poses, especially when depth images of scenes are unavailable. This paper investigates whether we can estimate the object poses effectively…

Computer Vision and Pattern Recognition · Computer Science 2021-04-09 Zongxin Yang , Xin Yu , Yi Yang

Hand avatars play a pivotal role in a wide array of digital interfaces, enhancing user immersion and facilitating natural interaction within virtual environments. While previous studies have focused on photo-realistic hand rendering, little…

Computer Vision and Pattern Recognition · Computer Science 2024-07-31 Qijun Gan , Zijie Zhou , Jianke Zhu

Human hands are highly articulated and versatile at handling objects. Jointly estimating the 3D poses of a hand and the object it manipulates from a monocular camera is challenging due to frequent occlusions. Thus, existing methods often…

Computer Vision and Pattern Recognition · Computer Science 2024-02-28 Haozhe Qi , Chen Zhao , Mathieu Salzmann , Alexander Mathis

We propose a method for annotating images of a hand manipulating an object with the 3D poses of both the hand and the object, together with a dataset created using this method. Our motivation is the current lack of annotated real images for…

Computer Vision and Pattern Recognition · Computer Science 2020-06-02 Shreyas Hampali , Mahdi Rad , Markus Oberweger , Vincent Lepetit

Understanding how humans interact with the world necessitates accurate 3D hand pose estimation, a task complicated by the hand's high degree of articulation, frequent occlusions, self-occlusions, and rapid motions. While most existing…

Computer Vision and Pattern Recognition · Computer Science 2023-12-29 Enes Duran , Muhammed Kocabas , Vasileios Choutas , Zicong Fan , Michael J. Black

Recently, deep learning approach has achieved promising results in various fields of computer vision. In this paper, a new framework called Hierarchical Depth Motion Maps (HDMM) + 3 Channel Deep Convolutional Neural Networks (3ConvNets) is…

Computer Vision and Pattern Recognition · Computer Science 2015-01-21 Pichao Wang , Wanqing Li , Zhimin Gao , Jing Zhang , Chang Tang , Philip Ogunbona

The recent success of deep networks has significantly advanced 3D human pose estimation from 2D images. The diversity of capturing viewpoints and the flexibility of the human poses, however, remain some significant challenges. In this…

Computer Vision and Pattern Recognition · Computer Science 2019-01-31 Guoqiang Wei , Cuiling Lan , Wenjun Zeng , Zhibo Chen
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