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In this paper, we introduce a novel unsupervised domain adaptation technique for the task of 3D keypoint prediction from a single depth scan or image. Our key idea is to utilize the fact that predictions from different views of the same or…

Computer Vision and Pattern Recognition · Computer Science 2018-07-27 Xingyi Zhou , Arjun Karpur , Chuang Gan , Linjie Luo , Qixing Huang

Unsupervised Domain Adaptation (UDA) aims to align the labeled source distribution with the unlabeled target distribution to obtain domain invariant predictive models. However, the application of well-known UDA approaches does not…

Computer Vision and Pattern Recognition · Computer Science 2021-11-11 Ankit Singh

Recently unsupervised domain adaptation for the semantic segmentation task has become more and more popular due to high-cost of pixel-level annotation on real-world images. However, most domain adaptation methods are only restricted to…

Computer Vision and Pattern Recognition · Computer Science 2021-06-08 Takashi Isobe , Xu Jia , Shuaijun Chen , Jianzhong He , Yongjie Shi , Jianzhuang Liu , Huchuan Lu , Shengjin Wang

We consider unsupervised domain adaptation: given labelled examples from a source domain and unlabelled examples from a related target domain, the goal is to infer the labels of target examples. Under the assumption that features from…

Machine Learning · Statistics 2019-01-08 Jeroen Manders , Twan van Laarhoven , Elena Marchiori

The ability to categorize is a cornerstone of visual intelligence, and a key functionality for artificial, autonomous visual machines. This problem will never be solved without algorithms able to adapt and generalize across visual domains.…

Computer Vision and Pattern Recognition · Computer Science 2019-06-14 Massimiliano Mancini , Samuel Rota Bulò , Barbara Caputo , Elisa Ricci

Self-supervised deep learning methods have leveraged stereo images for training monocular depth estimation. Although these methods show strong results on outdoor datasets such as KITTI, they do not match performance of supervised methods on…

Computer Vision and Pattern Recognition · Computer Science 2021-06-28 Benjamin Keltjens , Tom van Dijk , Guido de Croon

Deep detection approaches are powerful in controlled conditions, but appear brittle and fail when source models are used off-the-shelf on unseen domains. Most of the existing works on domain adaptation simplify the setting and access…

Computer Vision and Pattern Recognition · Computer Science 2022-09-02 F. Cappio Borlino , S. Polizzotto , B. Caputo , T. Tommasi

Over the past few years, self-supervised monocular depth estimation that does not depend on ground-truth during the training phase has received widespread attention. Most efforts focus on designing different types of network architectures…

Computer Vision and Pattern Recognition · Computer Science 2023-11-14 Shuwei Shao , Zhongcai Pei , Weihai Chen , Dingchi Sun , Peter C. Y. Chen , Zhengguo Li

In the current monocular depth research, the dominant approach is to employ unsupervised training on large datasets, driven by warped photometric consistency. Such approaches lack robustness and are unable to generalize to challenging…

Computer Vision and Pattern Recognition · Computer Science 2020-03-31 Jaime Spencer , Richard Bowden , Simon Hadfield

State-of-the-art deep neural networks (DNNs) have been proved to have excellent performance on unsupervised domain adaption (UDA). However, recent work shows that DNNs perform poorly when being attacked by adversarial samples, where these…

Computer Vision and Pattern Recognition · Computer Science 2021-08-05 Liyuan Zhang , Yuhang Zhou , Lei Zhang

Monocular depth estimation is challenging due to its inherent ambiguity and ill-posed nature, yet it is quite important to many applications. While recent works achieve limited accuracy by designing increasingly complicated networks to…

Computer Vision and Pattern Recognition · Computer Science 2023-09-27 Zizhang Wu , Zhuozheng Li , Zhi-Gang Fan , Yunzhe Wu , Xiaoquan Wang , Rui Tang , Jian Pu

Unsupervised domain adaptation studies the problem of utilizing a relevant source domain with abundant labels to build predictive modeling for an unannotated target domain. Recent work observe that the popular adversarial approach of…

Machine Learning · Statistics 2020-01-06 Shen Yan , Huan Song , Nanxiang Li , Lincan Zou , Liu Ren

Learning models on one labeled dataset that generalize well on another domain is a difficult task, as several shifts might happen between the data domains. This is notably the case for lidar data, for which models can exhibit large…

Computer Vision and Pattern Recognition · Computer Science 2024-06-27 Björn Michele , Alexandre Boulch , Gilles Puy , Tuan-Hung Vu , Renaud Marlet , Nicolas Courty

Domain adaptation is pivotal for enabling deep learning models to generalize across diverse domains, a task complicated by variations in presentation and cognitive nuances. In this paper, we introduce AD-Aligning, a novel approach that…

Computer Vision and Pattern Recognition · Computer Science 2024-11-12 Zhuoying Li , Bohua Wan , Cong Mu , Ruzhang Zhao , Shushan Qiu , Chao Yan

Due to difficulties in acquiring ground truth depth of equirectangular (360) images, the quality and quantity of equirectangular depth data today is insufficient to represent the various scenes in the world. Therefore, 360 depth estimation…

Computer Vision and Pattern Recognition · Computer Science 2023-04-17 Ilwi Yun , Hyuk-Jae Lee , Chae Eun Rhee

Unsupervised Domain Adaptation (UDA) refers to the problem of learning a model in a target domain where labeled data are not available by leveraging information from annotated data in a source domain. Most deep UDA approaches operate in a…

Computer Vision and Pattern Recognition · Computer Science 2021-03-26 Massimiliano Mancini , Lorenzo Porzi , Samuel Rota Bulò , Barbara Caputo , Elisa Ricci

Unsupervised domain adaptation (UDA) methods for learning domain invariant representations have achieved remarkable progress. However, most of the studies were based on direct adaptation from the source domain to the target domain and have…

Computer Vision and Pattern Recognition · Computer Science 2021-03-26 Jaemin Na , Heechul Jung , Hyung Jin Chang , Wonjun Hwang

The accuracy of deep learning (e.g., convolutional neural networks) for an image classification task critically relies on the amount of labeled training data. Aiming to solve an image classification task on a new domain that lacks labeled…

Computer Vision and Pattern Recognition · Computer Science 2019-01-01 Xianghong Fang , Haoli Bai , Ziyi Guo , Bin Shen , Steven Hoi , Zenglin Xu

Although deep learning models have shown impressive performance on supervised learning tasks, they often struggle to generalize well when the training (source) and test (target) domains differ. Unsupervised domain adaptation (DA) has…

Computer Vision and Pattern Recognition · Computer Science 2024-09-17 Mainak Singha , Harsh Pal , Ankit Jha , Biplab Banerjee

In this work, we study Unsupervised Domain Adaptation (UDA) in a challenging self-supervised approach. One of the difficulties is how to learn task discrimination in the absence of target labels. Unlike previous literature which directly…

Computation and Language · Computer Science 2022-07-12 Quanyu Long , Tianze Luo , Wenya Wang , Sinno Jialin Pan