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Domain adaptation has been a fundamental technology for transferring knowledge from a source domain to a target domain. The key issue of domain adaptation is how to reduce the distribution discrepancy between two domains in a proper way…

Computer Vision and Pattern Recognition · Computer Science 2020-10-21 Lei Tian , Yongqiang Tang , Liangchen Hu , Zhida Ren , Wensheng Zhang

The product design process in manufacturing involves iterative design modeling and analysis to achieve the target engineering performance, but such an iterative process is time consuming and computationally expensive. Recently, deep…

Machine Learning · Computer Science 2023-09-12 Seungyeon Shin , Namwoo Kang

The use of synthetic data in indoor 3D object detection offers the potential of greatly reducing the manual labor involved in 3D annotations and training effective zero-shot detectors. However, the complicated domain shifts across…

Computer Vision and Pattern Recognition · Computer Science 2024-08-27 Yunsong Wang , Na Zhao , Gim Hee Lee

While huge volumes of unlabeled data are generated and made available in many domains, the demand for automated understanding of visual data is higher than ever before. Most existing machine learning models typically rely on massive amounts…

Computer Vision and Pattern Recognition · Computer Science 2021-12-14 Youshan Zhang

The primary goal of this work is to study the effectiveness of an unsupervised domain adaptation approach for various applications such as binary classification and anomaly detection in the context of Alzheimer's disease (AD) detection for…

Image and Video Processing · Electrical Eng. & Systems 2022-12-27 Pranath Reddy

Semantic segmentation networks, which are essential for robotic perception, often suffer from performance degradation when the visual distribution of the deployment environment differs from that of the source dataset on which they were…

Robotics · Computer Science 2026-02-17 Michele Antonazzi , Lorenzo Signorelli , Matteo Luperto , Nicola Basilico

Deploying 3D detectors in unfamiliar domains has been demonstrated to result in a significant 70-90% drop in detection rate due to variations in lidar, geography, or weather from their training dataset. This domain gap leads to missing…

Computer Vision and Pattern Recognition · Computer Science 2024-08-16 Darren Tsai , Julie Stephany Berrio , Mao Shan , Eduardo Nebot , Stewart Worrall

Unsupervised domain adaptation (UDA) aims to adapt existing models of the source domain to a new target domain with only unlabeled data. Most existing methods suffer from noticeable negative transfer resulting from either the error-prone…

Computer Vision and Pattern Recognition · Computer Science 2022-11-28 Qianyu Zhou , Zhengyang Feng , Qiqi Gu , Guangliang Cheng , Xuequan Lu , Jianping Shi , Lizhuang Ma

Object detection algorithms allow to enable many interesting applications which can be implemented in different devices, such as smartphones and wearable devices. In the context of a cultural site, implementing these algorithms in a…

Computer Vision and Pattern Recognition · Computer Science 2022-10-04 Giovanni Pasqualino , Antonino Furnari , Giovanni Maria Farinella

In unsupervised domain adaptation, it is widely known that the target domain error can be provably reduced by having a shared input representation that makes the source and target domains indistinguishable from each other. Very recently it…

Machine Learning · Computer Science 2019-02-26 Minyoung Kim , Pritish Sahu , Behnam Gholami , Vladimir Pavlovic

In this paper, we present an adversarial unsupervised domain adaptation framework for object detection. Prior approaches utilize adversarial training based on cross entropy between the source and target domain distributions to learn a…

Computer Vision and Pattern Recognition · Computer Science 2019-09-20 Pengcheng Xu , Prudhvi Gurram , Gene Whipps , Rama Chellappa

The rapid development of 3D object detection systems for self-driving cars has significantly improved accuracy. However, these systems struggle to generalize across diverse driving environments, which can lead to safety-critical failures in…

Computer Vision and Pattern Recognition · Computer Science 2023-09-22 Travis Zhang , Katie Luo , Cheng Perng Phoo , Yurong You , Wei-Lun Chao , Bharath Hariharan , Mark Campbell , Kilian Q. Weinberger

In this paper, we make two contributions to unsupervised domain adaptation (UDA) using the convolutional neural network (CNN). First, our approach transfers knowledge in all the convolutional layers through attention alignment. Most…

Computer Vision and Pattern Recognition · Computer Science 2018-08-14 Guoliang Kang , Liang Zheng , Yan Yan , Yi Yang

Unsupervised domain adaptive object detection aims to adapt detectors from a labelled source domain to an unlabelled target domain. Most existing works take a two-stage strategy that first generates region proposals and then detects objects…

Computer Vision and Pattern Recognition · Computer Science 2021-05-20 Dayan Guan , Jiaxing Huang , Aoran Xiao , Shijian Lu , Yanpeng Cao

Single-view 3D shape reconstruction is an important but challenging problem, mainly for two reasons. First, as shape annotation is very expensive to acquire, current methods rely on synthetic data, in which ground-truth 3D annotation is…

Computer Vision and Pattern Recognition · Computer Science 2019-08-27 Pedro O. Pinheiro , Negar Rostamzadeh , Sungjin Ahn

Unsupervised Domain Adaptation has been an efficient approach to transferring the semantic segmentation model across data distributions. Meanwhile, the recent Open-vocabulary Semantic Scene understanding based on large-scale vision language…

Computer Vision and Pattern Recognition · Computer Science 2024-10-14 Thanh-Dat Truong , Utsav Prabhu , Dongyi Wang , Bhiksha Raj , Susan Gauch , Jeyamkondan Subbiah , Khoa Luu

Object detection is an essential technique for autonomous driving. The performance of an object detector significantly degrades if the weather of the training images is different from that of test images. Domain adaptation can be used to…

Computer Vision and Pattern Recognition · Computer Science 2021-03-26 Ting Sun , Jinlin Chen , Francis Ng

Recent work has highlighted the label alignment property (LAP) in supervised learning, where the vector of all labels in the dataset is mostly in the span of the top few singular vectors of the data matrix. Drawing inspiration from this…

Machine Learning · Computer Science 2024-09-12 Ehsan Imani , Guojun Zhang , Runjia Li , Jun Luo , Pascal Poupart , Philip H. S. Torr , Yangchen Pan

We introduce KeypointDeformer, a novel unsupervised method for shape control through automatically discovered 3D keypoints. We cast this as the problem of aligning a source 3D object to a target 3D object from the same object category. Our…

Computer Vision and Pattern Recognition · Computer Science 2021-04-23 Tomas Jakab , Richard Tucker , Ameesh Makadia , Jiajun Wu , Noah Snavely , Angjoo Kanazawa

State-of-the-art approaches to infer dense depth measurements from images rely on CNNs trained end-to-end on a vast amount of data. However, these approaches suffer a drastic drop in accuracy when dealing with environments much different in…

Computer Vision and Pattern Recognition · Computer Science 2019-09-10 Alessio Tonioni , Matteo Poggi , Stefano Mattoccia , Luigi Di Stefano