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This paper presents a lightweight visual place recognition approach, capable of achieving high performance with low computational cost, and feasible for mobile robotics under significant viewpoint and appearance changes. Results on several…

机器人学 · 计算机科学 2019-10-29 Ahmad Khaliq , Shoaib Ehsan , Zetao Chen , Michael Milford , Klaus McDonald-Maier

In this paper we propose a new approach for tomographic reconstruction with spatially varying regularization parameter. Our work is based on the SA-TV image restoration model proposed in [3] where an automated parameter selection rule for…

数值分析 · 数学 2018-11-27 Yiqiu Dong , Carola-Bibiane Schönlieb

Visual imitation learning provides a framework for learning complex manipulation behaviors by leveraging human demonstrations. However, current interfaces for imitation such as kinesthetic teaching or teleoperation prohibitively restrict…

机器人学 · 计算机科学 2020-08-12 Sarah Young , Dhiraj Gandhi , Shubham Tulsiani , Abhinav Gupta , Pieter Abbeel , Lerrel Pinto

Novel view synthesis from images, for example, with 3D Gaussian splatting, has made great progress. Rendering fidelity and speed are now ready even for demanding virtual reality applications. However, the problem of assisting humans in…

计算机视觉与模式识别 · 计算机科学 2025-08-19 Ayaka Yasunaga , Hideo Saito , Dieter Schmalstieg , Shohei Mori

This paper presents and experimentally demonstrates a novel framework for variable assistance on lower body exoskeletons, based upon safety-critical control methods. Existing work has shown that providing some freedom of movement around a…

机器人学 · 计算机科学 2019-12-04 Thomas Gurriet , Maegan Tucker , Alexis Duburcq , Guilhem Boeris , Aaron D. Ames

Prosthetic hands can help people with limb difference to return to their life routines. Commercial prostheses, however have several limitations in providing an acceptable dexterity. We approach these limitations by augmenting the prosthetic…

计算机视觉与模式识别 · 计算机科学 2019-08-08 Ghazal Ghazaei , Federico Tombari , Nassir Navab , Kianoush Nazarpour

Earth observing satellites are powerful tools for collecting scientific information about our planet, however they have limitations: they cannot easily deviate from their orbital trajectories, their sensors have a limited field of view, and…

We propose a self-supervised training approach for learning view-invariant dense visual descriptors using image augmentations. Unlike existing works, which often require complex datasets, such as registered RGBD sequences, we train on an…

This work aims to reproduce the results of Faithful Vision Transformers (FViTs) proposed by arXiv:2311.17983 alongside interpretability methods for Vision Transformers from arXiv:2012.09838 and Xu (2022) et al. We investigate claims made by…

计算机视觉与模式识别 · 计算机科学 2025-09-19 Izabela Kurek , Wojciech Trejter , Stipe Frkovic , Andro Erdelez

While current Vision Transformer (ViT) adapter methods have shown promising accuracy, their inference speed is implicitly hindered by inefficient memory access operations, e.g., standard normalization and frequent reshaping. In this work,…

计算机视觉与模式识别 · 计算机科学 2025-02-05 Dong Zhang , Rui Yan , Pingcheng Dong , Kwang-Ting Cheng

Retinal vessel segmentation is a fundamental step in screening, diagnosis, and treatment of various cardiovascular and ophthalmic diseases. Robustness is one of the most critical requirements for practical utilization, since the test images…

图像与视频处理 · 电气工程与系统科学 2021-09-29 Xu Sun , Huihui Fang , Yehui Yang , Dongwei Zhu , Lei Wang , Junwei Liu , Yanwu Xu

Vision Transformers (ViT) have shown their competitive advantages performance-wise compared to convolutional neural networks (CNNs) though they often come with high computational costs. To this end, previous methods explore different…

计算机视觉与模式识别 · 计算机科学 2023-03-27 Cong Wei , Brendan Duke , Ruowei Jiang , Parham Aarabi , Graham W. Taylor , Florian Shkurti

Clinical myoelectric prostheses lack the sensory feedback and sufficient dexterity required to complete activities of daily living efficiently and accurately. Providing haptic feedback of relevant environmental cues to the user or imbuing…

机器人学 · 计算机科学 2023-02-01 Neha Thomas , Alexandra J. Miller , Hasan Ayaz , Jeremy D. Brown

Since vision-based manipulation policies are typically trained from data gathered from a single viewpoint, their performance drops when the view changes during deployment. Naively aggregating demonstrations from numerous random views is not…

机器人学 · 计算机科学 2025-10-07 Sreevishakh Vasudevan , Som Sagar , Ransalu Senanayake

In active learning, sampling bias could pose a serious inconsistency problem and hinder the algorithm from finding the optimal hypothesis. However, many methods for neural networks are hypothesis space agnostic and do not address this…

机器学习 · 计算机科学 2020-06-23 Jiayu Liu , Ioannis Chiotellis , Rudolph Triebel , Daniel Cremers

In visual place recognition (VPR), filtering and sequence-based matching approaches can improve performance by integrating temporal information across image sequences, especially in challenging conditions. While these methods are commonly…

计算机视觉与模式识别 · 计算机科学 2025-07-30 Somayeh Hussaini , Tobias Fischer , Michael Milford

Self-supervised learning methods are attractive candidates for automatic object picking. However, the trial samples lack the complete ground truth because the observable parts of the agent are limited. That is, the information contained in…

机器人学 · 计算机科学 2023-10-04 Kanata Suzuki , Yasuto Yokota , Yuzi Kanazawa , Tomoyoshi Takebayashi

We propose a method to improve subject transfer in motor imagery BCIs by aligning covariance matrices on a Riemannian manifold, followed by computing a new common spatial patterns (CSP) based spatial filter. We explore various ways to…

计算机视觉与模式识别 · 计算机科学 2025-04-25 Tekin Gunasar , Virginia de Sa

This study addresses the challenge of manipulation, a prominent issue in robotics. We have devised a novel methodology for swiftly and precisely identifying the optimal grasp point for a robot to manipulate an object. Our approach leverages…

机器人学 · 计算机科学 2023-11-27 Arda Sarp Yenicesu , Berk Cicek , Ozgur S. Oguz

We investigate the robustness of vision transformers (ViTs) through the lens of their special patch-based architectural structure, i.e., they process an image as a sequence of image patches. We find that ViTs are surprisingly insensitive to…

机器学习 · 计算机科学 2023-02-23 Yao Qin , Chiyuan Zhang , Ting Chen , Balaji Lakshminarayanan , Alex Beutel , Xuezhi Wang