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We present the Grasp Proposal Network (GP-net), a Convolutional Neural Network model which can generate 6-DoF grasps from flexible viewpoints, e.g. as experienced by mobile manipulators. To train GP-net, we synthetically generate a dataset…

机器人学 · 计算机科学 2023-10-13 Anna Konrad , John McDonald , Rudi Villing

Human pose forecasting is a complex structured-data sequence-modelling task, which has received increasing attention, also due to numerous potential applications. Research has mainly addressed the temporal dimension as time series and the…

计算机视觉与模式识别 · 计算机科学 2021-10-12 Theodoros Sofianos , Alessio Sampieri , Luca Franco , Fabio Galasso

In the field of computer vision-driven ice hockey analytics, one of the most challenging and least studied tasks is goalie pose estimation. Unlike general human pose estimation, goalie pose estimation is much more complex as it involves not…

计算机视觉与模式识别 · 计算机科学 2023-06-29 Marjan Shahi , David Clausi , Alexander Wong

Depth estimation and semantic segmentation play essential roles in scene understanding. The state-of-the-art methods employ multi-task learning to simultaneously learn models for these two tasks at the pixel-wise level. They usually focus…

计算机视觉与模式识别 · 计算机科学 2021-01-20 Lei He , Jiwen Lu , Guanghui Wang , Shiyu Song , Jie Zhou

This paper introduces Point-GN, a novel non-parametric network for efficient and accurate 3D point cloud classification. Unlike conventional deep learning models that rely on a large number of trainable parameters, Point-GN leverages…

计算机视觉与模式识别 · 计算机科学 2024-12-10 Marzieh Mohammadi , Amir Salarpour

Recently, Deep Convolution Networks (DCNNs) have been applied to the task of face alignment and have shown potential for learning improved feature representations. Although deeper layers can capture abstract concepts like pose, it is…

计算机视觉与模式识别 · 计算机科学 2017-04-07 Amit Kumar , Rama Chellappa

This paper presents an innovative deep learning pipeline which estimates the relative pose of a spacecraft by incorporating the temporal information from a rendezvous sequence. It leverages the performance of long short-term memory (LSTM)…

计算机视觉与模式识别 · 计算机科学 2024-10-28 Duarte Rondao , Nabil Aouf , Mark A. Richardson

Images of spacecraft photographed from other spacecraft operating in outer space are difficult to come by, especially at a scale typically required for deep learning tasks. Semantic image segmentation, object detection and localization, and…

计算机视觉与模式识别 · 计算机科学 2022-11-23 William S. Armstrong , Spencer Drakontaidis , Nicholas Lui

Unsupervised monocular depth estimation frameworks have shown promising performance in autonomous driving. However, existing solutions primarily rely on a simple convolutional neural network for ego-motion recovery, which struggles to…

计算机视觉与模式识别 · 计算机科学 2024-07-09 Yi Feng , Zizhan Guo , Qijun Chen , Rui Fan

Object grasping is critical for many applications, which is also a challenging computer vision problem. However, for the clustered scene, current researches suffer from the problems of insufficient training data and the lacking of…

计算机视觉与模式识别 · 计算机科学 2020-01-03 Hao-Shu Fang , Chenxi Wang , Minghao Gou , Cewu Lu

Recently, RGBD-based category-level 6D object pose estimation has achieved promising improvement in performance, however, the requirement of depth information prohibits broader applications. In order to relieve this problem, this paper…

计算机视觉与模式识别 · 计算机科学 2022-08-30 Zhaoxin Fan , Zhenbo Song , Jian Xu , Zhicheng Wang , Kejian Wu , Hongyan Liu , Jun He

We propose a self-supervised learning framework that uses unlabeled monocular video sequences to generate large-scale supervision for training a Visual Odometry (VO) frontend, a network which computes pointwise data associations across…

计算机视觉与模式识别 · 计算机科学 2018-12-11 Daniel DeTone , Tomasz Malisiewicz , Andrew Rabinovich

This paper presents KeypointNet, an end-to-end geometric reasoning framework to learn an optimal set of category-specific 3D keypoints, along with their detectors. Given a single image, KeypointNet extracts 3D keypoints that are optimized…

计算机视觉与模式识别 · 计算机科学 2018-11-26 Supasorn Suwajanakorn , Noah Snavely , Jonathan Tompson , Mohammad Norouzi

Space debris and inactive satellites pose a threat to the safety and integrity of operational spacecraft and motivate the need for space situational awareness techniques. These uncooperative targets create a challenging tracking and…

计算机视觉与模式识别 · 计算机科学 2024-08-23 Hannah Grauer , Elena-Sorina Lupu , Connor Lee , Soon-Jo Chung , Darren Rowen , Benjamen Bycroft , Phaedrus Leeds , John Brader

In this paper, we introduce a novel single shot approach for 6D object pose estimation of rigid objects based on depth images. For this purpose, a fully convolutional neural network is employed, where the 3D input data is spatially…

计算机视觉与模式识别 · 计算机科学 2020-04-28 Kilian Kleeberger , Marco F. Huber

We focus on estimating the 3D orientation of the ground plane from a single image. We formulate the problem as an inter-mingled multi-task prediction problem by jointly optimizing for pixel-wise surface normal direction, ground plane…

计算机视觉与模式识别 · 计算机科学 2019-08-13 Yunze Man , Xinshuo Weng , Xi Li , Kris Kitani

Recent literature addressed the monocular 3D pose estimation task very satisfactorily. In these studies, different persons are usually treated as independent pose instances to estimate. However, in many every-day situations, people are…

计算机视觉与模式识别 · 计算机科学 2020-10-13 Wen Guo , Enric Corona , Francesc Moreno-Noguer , Xavier Alameda-Pineda

Self-supervised monocular depth estimation, aiming to learn scene depths from single images in a self-supervised manner, has received much attention recently. In spite of recent efforts in this field, how to learn accurate scene depths and…

计算机视觉与模式识别 · 计算机科学 2022-09-16 Zhengming Zhou , Qiulei Dong

Recently, graph-based and Transformer-based deep learning networks have demonstrated excellent performances on various point cloud tasks. Most of the existing graph methods are based on static graph, which take a fixed input to establish…

计算机视觉与模式识别 · 计算机科学 2024-08-06 Wei Zhou , Qian Wang , Weiwei Jin , Xinzhe Shi , Ying He

Occlusion is one of the challenging issues when estimating 3D hand pose. This problem becomes more prominent when hand interacts with an object or two hands are involved. In the past works, much attention has not been given to these…

计算机视觉与模式识别 · 计算机科学 2025-03-28 Mallika Garg , Debashis Ghosh , Pyari Mohan Pradhan