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Domain adaptation is to transfer the shared knowledge learned from the source domain to a new environment, i.e., target domain. One common practice is to train the model on both labeled source-domain data and unlabeled target-domain data.…

Computer Vision and Pattern Recognition · Computer Science 2022-12-13 Zhedong Zheng , Yi Yang

Domain adaptive object detection (DAOD) assumes that both labeled source data and unlabeled target data are available for training, but this assumption does not always hold in real-world scenarios. Thus, source-free DAOD is proposed to…

Computer Vision and Pattern Recognition · Computer Science 2023-03-08 Siqi Zhang , Lu Zhang , Zhiyong Liu

Domain adaptation typically requires to access source domain data to utilize their distribution information for domain alignment with the target data. However, in many real-world scenarios, the source data may not be accessible during the…

Image and Video Processing · Electrical Eng. & Systems 2021-09-22 Cheng Chen , Quande Liu , Yueming Jin , Qi Dou , Pheng-Ann Heng

This paper addresses the problem of cross-dataset generalization of 3D human pose estimation models. Testing a pre-trained 3D pose estimator on a new dataset results in a major performance drop. Previous methods have mainly addressed this…

Computer Vision and Pattern Recognition · Computer Science 2022-03-17 Mohsen Gholami , Bastian Wandt , Helge Rhodin , Rabab Ward , Z. Jane Wang

In the absence of labeled target data, unsupervised domain adaptation approaches seek to align the marginal distributions of the source and target domains in order to train a classifier for the target. Unsupervised domain alignment…

Computer Vision and Pattern Recognition · Computer Science 2024-03-13 Sachin Chhabra , Hemanth Venkateswara , Baoxin Li

Human pose estimation has been widely studied with much focus on supervised learning requiring sufficient annotations. However, in real applications, a pretrained pose estimation model usually need be adapted to a novel domain with no…

Computer Vision and Pattern Recognition · Computer Science 2020-08-14 Xixia Xu , Qi Zou , Xue Lin

Pose-guided person image generation usually involves using paired source-target images to supervise the training, which significantly increases the data preparation effort and limits the application of the models. To deal with this problem,…

Computer Vision and Pattern Recognition · Computer Science 2021-04-12 Tianxiang Ma , Bo Peng , Wei Wang , Jing Dong

Available 3D human pose estimation approaches leverage different forms of strong (2D/3D pose) or weak (multi-view or depth) paired supervision. Barring synthetic or in-studio domains, acquiring such supervision for each new target…

Computer Vision and Pattern Recognition · Computer Science 2022-04-07 Jogendra Nath Kundu , Siddharth Seth , Anirudh Jamkhandi , Pradyumna YM , Varun Jampani , Anirban Chakraborty , R. Venkatesh Babu

Unsupervised Domain Adaptive Object Detection (UDA-OD) uses unlabelled data to improve the reliability of robotic vision systems in open-world environments. Previous approaches to UDA-OD based on self-training have been effective in…

Computer Vision and Pattern Recognition · Computer Science 2023-08-29 Nicolas Harvey Chapman , Feras Dayoub , Will Browne , Christopher Lehnert

Due to privacy, storage, and other constraints, there is a growing need for unsupervised domain adaptation techniques in machine learning that do not require access to the data used to train a collection of source models. Existing methods…

Machine Learning · Computer Science 2023-06-01 Maohao Shen , Yuheng Bu , Gregory Wornell

There is a strong incentive to develop versatile learning techniques that can transfer the knowledge of class-separability from a labeled source domain to an unlabeled target domain in the presence of a domain-shift. Existing domain…

Computer Vision and Pattern Recognition · Computer Science 2020-04-10 Jogendra Nath Kundu , Naveen Venkat , Rahul M , R. Venkatesh Babu

We aim to improve the performance of regressing hand keypoints and segmenting pixel-level hand masks under new imaging conditions (e.g., outdoors) when we only have labeled images taken under very different conditions (e.g., indoors). In…

Computer Vision and Pattern Recognition · Computer Science 2022-07-15 Takehiko Ohkawa , Yu-Jhe Li , Qichen Fu , Ryosuke Furuta , Kris M. Kitani , Yoichi Sato

Human pose information is a critical component in many downstream image processing tasks, such as activity recognition and motion tracking. Likewise, a pose estimator for the illustrated character domain would provide a valuable prior for…

Computer Vision and Pattern Recognition · Computer Science 2021-12-02 Shuhong Chen , Matthias Zwicker

Person Re-Identification (re-ID) aims at retrieving images of the same person taken by different cameras. A challenge for re-ID is the performance preservation when a model is used on data of interest (target data) which belong to a…

Computer Vision and Pattern Recognition · Computer Science 2020-09-22 Fabian Dubourvieux , Romaric Audigier , Angelique Loesch , Samia Ainouz , Stephane Canu

Deep learning has emerged as an effective solution for solving the task of object detection in images but at the cost of requiring large labeled datasets. To mitigate this cost, semi-supervised object detection methods, which consist in…

Computer Vision and Pattern Recognition · Computer Science 2025-02-18 Renaud Vandeghen , Gilles Louppe , Marc Van Droogenbroeck

In this paper, we study the task of 3D human pose estimation in the wild. This task is challenging due to lack of training data, as existing datasets are either in the wild images with 2D pose or in the lab images with 3D pose. We propose a…

Computer Vision and Pattern Recognition · Computer Science 2017-08-01 Xingyi Zhou , Qixing Huang , Xiao Sun , Xiangyang Xue , Yichen Wei

Most previous unsupervised domain adaptation (UDA) methods for question answering(QA) require access to source domain data while fine-tuning the model for the target domain. Source domain data may, however, contain sensitive information and…

Computation and Language · Computer Science 2024-12-13 M. Yin , B. Wang , Y. Dong , C. Ling

We consider the problem of user-adaptive 3D gaze estimation. The performance of person-independent gaze estimation is limited due to interpersonal anatomical differences. Our goal is to provide a personalized gaze estimation model…

Computer Vision and Pattern Recognition · Computer Science 2024-06-17 Yong Wu , Yang Wang , Sanqing Qu , Zhijun Li , Guang Chen

This work proposes a robust Partial Domain Adaptation (PDA) framework that mitigates the negative transfer problem by incorporating a robust target-supervision strategy. It leverages ensemble learning and includes diverse, complementary…

Computer Vision and Pattern Recognition · Computer Science 2023-09-11 Sandipan Choudhuri , Suli Adeniye , Arunabha Sen

Meta-learning performs adaptation through a limited amount of support set, which may cause a sample bias problem. To solve this problem, transductive meta-learning is getting more and more attention, going beyond the conventional inductive…

Machine Learning · Computer Science 2023-04-25 Sanghyuk Lee , Seunghyun Lee , Byung Cheol Song