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Recent deep networks have achieved good performance on a variety of 3d points classification tasks. However, these models often face challenges in "wild tasks".There are considerable differences between the labeled training/source data…

计算机视觉与模式识别 · 计算机科学 2021-05-11 Junxuan Huang , Junsong Yuan , Chunming Qiao

Domain adaptation for visual recognition has undergone great progress in the past few years. Nevertheless, most existing methods work in the so-called closed-set scenario, assuming that the classes depicted by the target images are exactly…

计算机视觉与模式识别 · 计算机科学 2018-06-01 Mahsa Baktashmotlagh , Masoud Faraki , Tom Drummond , Mathieu Salzmann

Visual place recognition is a critical task in computer vision, especially for localization and navigation systems. Existing methods often rely on contrastive learning: image descriptors are trained to have small distance for similar images…

计算机视觉与模式识别 · 计算机科学 2024-01-30 María Leyva-Vallina , Nicola Strisciuglio , Nicolai Petkov

An effective framework for learning 3D representations for perception tasks is distilling rich self-supervised image features via contrastive learning. However, image-to point representation learning for autonomous driving datasets faces…

计算机视觉与模式识别 · 计算机科学 2023-03-27 Anas Mahmoud , Jordan S. K. Hu , Tianshu Kuai , Ali Harakeh , Liam Paull , Steven L. Waslander

In medical imaging, the heterogeneity of multi-centre data impedes the applicability of deep learning-based methods and results in significant performance degradation when applying models in an unseen data domain, e.g. a new centreor a new…

计算机视觉与模式识别 · 计算机科学 2020-08-12 Hongwei Li , Timo Loehr , Anjany Sekuboyina , Jianguo Zhang , Benedikt Wiestler , Bjoern Menze

In this paper, we introduce a technique to enhance the computational efficiency of solution algorithms for high-dimensional discrete simulation-based optimization problems. The technique is based on innovative adaptive partitioning…

最优化与控制 · 数学 2024-12-04 Jing Lu , Tianli Zhou , Carolina Osorio

Deep learning approaches achieve prominent success in 3D semantic segmentation. However, collecting densely annotated real-world 3D datasets is extremely time-consuming and expensive. Training models on synthetic data and generalizing on…

计算机视觉与模式识别 · 计算机科学 2022-07-22 Runyu Ding , Jihan Yang , Li Jiang , Xiaojuan Qi

We present a new approach to instill 4D dynamic object priors into learned 3D representations by unsupervised pre-training. We observe that dynamic movement of an object through an environment provides important cues about its objectness,…

计算机视觉与模式识别 · 计算机科学 2022-07-25 Yujin Chen , Matthias Nießner , Angela Dai

In the quest for efficient and robust reinforcement learning methods, both model-free and model-based approaches offer advantages. In this paper we propose a new way of explicitly bridging both approaches via a shared low-dimensional…

机器学习 · 计算机科学 2018-11-20 Vincent François-Lavet , Yoshua Bengio , Doina Precup , Joelle Pineau

Distance metric learning (DML) approaches learn a transformation to a representation space where distance is in correspondence with a predefined notion of similarity. While such models offer a number of compelling benefits, it has been…

机器学习 · 统计学 2016-03-03 Oren Rippel , Manohar Paluri , Piotr Dollar , Lubomir Bourdev

We focus on Unsupervised Domain Adaptation (UDA) for the task of semantic segmentation. Recently, adversarial alignment has been widely adopted to match the marginal distribution of feature representations across two domains globally.…

计算机视觉与模式识别 · 计算机科学 2019-12-20 Jihan Yang , Ruijia Xu , Ruiyu Li , Xiaojuan Qi , Xiaoyong Shen , Guanbin Li , Liang Lin

Scene graphs enhance 3D mapping capabilities in robotics by understanding the relationships between different spatial elements, such as rooms and objects. Recent research extends scene graphs to hierarchical layers, adding and leveraging…

机器人学 · 计算机科学 2025-10-20 Jeewon Kim , Minho Oh , Hyun Myung

In this work we address the problem of transferring knowledge obtained from a vast annotated source domain to a low labeled target domain. We propose Adversarial Variational Domain Adaptation (AVDA), a semi-supervised domain adaptation…

Data simulation engines like Unity are becoming an increasingly important data source that allows us to acquire ground truth labels conveniently. Moreover, we can flexibly edit the content of an image in the engine, such as objects…

计算机视觉与模式识别 · 计算机科学 2020-06-26 Zhenfeng Xue , Weijie Mao , Liang Zheng

We investigate the power of censoring techniques, first developed for learning {\em fair representations}, to address domain generalization. We examine {\em adversarial} censoring techniques for learning invariant representations from…

机器学习 · 计算机科学 2020-06-23 Zhun Deng , Frances Ding , Cynthia Dwork , Rachel Hong , Giovanni Parmigiani , Prasad Patil , Pragya Sur

Recently image inpainting has witnessed rapid progress due to generative adversarial networks (GAN) that are able to synthesize realistic contents. However, most existing GAN-based methods for semantic inpainting apply an auto-encoder…

计算机视觉与模式识别 · 计算机科学 2017-12-22 Haofeng Li , Guanbin Li , Liang Lin , Yizhou Yu

Accurate localization in diverse environments is a fundamental challenge in computer vision and robotics. The task involves determining a sensor's precise position and orientation, typically a camera, within a given space. Traditional…

计算机视觉与模式识别 · 计算机科学 2024-07-23 Luca Di Giammarino , Boyang Sun , Giorgio Grisetti , Marc Pollefeys , Hermann Blum , Daniel Barath

In this paper we adopt a representation-centric perspective on exploration in reinforcement learning, viewing exploration fundamentally as a density estimation problem. We investigate the effectiveness of clustering representations for…

机器学习 · 计算机科学 2024-08-16 Stefan Sylvius Wagner , Stefan Harmeling

Place recognition is an essential component of Simultaneous Localization And Mapping (SLAM). Under severe appearance change, reliable place recognition is a difficult perception task since the same place is perceptually very different in…

机器人学 · 计算机科学 2018-02-28 Yasir Latif , Ravi Garg , Michael Milford , Ian Reid

Adversarial discriminative domain adaptation (ADDA) is an efficient framework for unsupervised domain adaptation in image classification, where the source and target domains are assumed to have the same classes, but no labels are available…

计算机视觉与模式识别 · 计算机科学 2019-11-12 Aaron Chadha , Yiannis Andreopoulos