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The growing privacy concerns surrounding face image data demand new techniques that can guarantee user privacy. One such face recognition technique that claims to achieve better user privacy is Federated Face Recognition (FRR), a subfield…

Computer Vision and Pattern Recognition · Computer Science 2024-08-30 Arwin Gansekoele , Emiel Hess , Sandjai Bhulai

Facial Expression Recognition (FER) holds significant importance in human-computer interactions. Existing cross-domain FER methods often transfer knowledge solely from a single labeled source domain to an unlabeled target domain, neglecting…

Computer Vision and Pattern Recognition · Computer Science 2024-07-31 Yuxiang Yang , Lu Wen , Xinyi Zeng , Yuanyuan Xu , Xi Wu , Jiliu Zhou , Yan Wang

Federated Learning (FL) refers to learning a high quality global model based on decentralized data storage, without ever copying the raw data. A natural scenario arises with data created on mobile phones by the activity of their users.…

Machine Learning · Computer Science 2023-01-19 Yihan Jiang , Jakub Konečný , Keith Rush , Sreeram Kannan

Recent studies show that vision models pre-trained in generic visual learning tasks with large-scale data can provide useful feature representations for a wide range of visual perception problems. However, few attempts have been made to…

Computer Vision and Pattern Recognition · Computer Science 2024-04-04 Feng Lu , Lijun Zhang , Xiangyuan Lan , Shuting Dong , Yaowei Wang , Chun Yuan

This paper introduces Fast Linearized Adaptive Policy (FLAP), a new meta-reinforcement learning (meta-RL) method that is able to extrapolate well to out-of-distribution tasks without the need to reuse data from training, and adapt almost…

Machine Learning · Computer Science 2021-01-14 Matt Peng , Banghua Zhu , Jiantao Jiao

There is a neglected fact in the traditional machine learning methods that the data sampling can actually lead to the solution sampling. We consider this observation to be important because having the solution sampling available makes the…

Computer Vision and Pattern Recognition · Computer Science 2017-06-06 Shangzhen Luan , Baochang Zhang , Jungong Han , Chen Chen , Ling Shao , Alessandro Perina , Linlin Shen

This paper studies the problem of graph-level clustering, which is a novel yet challenging task. This problem is critical in a variety of real-world applications such as protein clustering and genome analysis in bioinformatics. Recent years…

Machine Learning · Computer Science 2023-03-09 Wei Ju , Yiyang Gu , Binqi Chen , Gongbo Sun , Yifang Qin , Xingyuming Liu , Xiao Luo , Ming Zhang

We investigate the problem of facial expression recognition using 3D data. Building from one of the most successful frameworks for facial analysis using exclusively 3D geometry, we extend the analysis from a curve-based representation into…

Computer Vision and Pattern Recognition · Computer Science 2017-05-22 Dmytro Derkach , Federico M. Sukno

With the development of deep learning, the field of face anti-spoofing (FAS) has witnessed great progress. FAS is usually considered a classification problem, where each class is assumed to contain a single cluster optimized by softmax…

Computer Vision and Pattern Recognition · Computer Science 2023-05-17 Qinghong Sun , Zhenfei Yin , Yichao Wu , Yuanhan Zhang , Jing Shao

Inspired by the philosophy employed by human beings to determine whether a presented face example is genuine or not, i.e., to glance at the example globally first and then carefully observe the local regions to gain more discriminative…

Computer Vision and Pattern Recognition · Computer Science 2020-09-29 Rizhao Cai , Haoliang Li , Shiqi Wang , Changsheng Chen , Alex Chichung Kot

Federated Learning (FL) has emerged as a pivotal framework for the development of effective global models (global FL) or personalized models (personalized FL) across clients with heterogeneous, non-iid data distribution. A key challenge in…

Computer Vision and Pattern Recognition · Computer Science 2024-06-05 Seongyoon Kim , Minchan Jeong , Sungnyun Kim , Sungwoo Cho , Sumyeong Ahn , Se-Young Yun

Heterogeneous Face Recognition (HFR) aims to match face images across different domains, such as thermal and visible spectra, expanding the applicability of Face Recognition (FR) systems to challenging scenarios. However, the domain gap and…

Computer Vision and Pattern Recognition · Computer Science 2023-07-17 Anjith George , Sebastien Marcel

Face clustering is a promising method for annotating unlabeled face images. Recent supervised approaches have boosted the face clustering accuracy greatly, however their performance is still far from satisfactory. These methods can be…

Computer Vision and Pattern Recognition · Computer Science 2021-03-30 Shuai Shen , Wanhua Li , Zheng Zhu , Guan Huang , Dalong Du , Jiwen Lu , Jie Zhou

Despite significant advances in Deep Face Recognition (DFR) systems, introducing new DFRs under specific constraints such as varying pose still remains a big challenge. Most particularly, due to the 3D nature of a human head, facial…

Computer Vision and Pattern Recognition · Computer Science 2020-01-23 Sara Shahsavarani , Morteza Analoui , Reza Shoja Ghiass

With various face presentation attacks arising under unseen scenarios, face anti-spoofing (FAS) based on domain generalization (DG) has drawn growing attention due to its robustness. Most existing methods utilize DG frameworks to align the…

Computer Vision and Pattern Recognition · Computer Science 2021-08-06 Shubao Liu , Ke-Yue Zhang , Taiping Yao , Mingwei Bi , Shouhong Ding , Jilin Li , Feiyue Huang , Lizhuang Ma

In the evolving landscape of federated learning (FL), addressing label noise presents unique challenges due to the decentralized and diverse nature of data collection across clients. Traditional centralized learning approaches to mitigate…

Machine Learning · Computer Science 2024-02-09 Taehyeon Kim , Donggyu Kim , Se-Young Yun

The performance of Federated Learning (FL) hinges on the effectiveness of utilizing knowledge from distributed datasets. Traditional FL methods adopt an aggregate-then-adapt framework, where clients update local models based on a global…

Computer Vision and Pattern Recognition · Computer Science 2024-05-01 Yuan Wang , Huazhu Fu , Renuga Kanagavelu , Qingsong Wei , Yong Liu , Rick Siow Mong Goh

Cluster assignment of large and complex images is a crucial but challenging task in pattern recognition and computer vision. In this study, we explore the possibility of employing fuzzy clustering in a deep neural network framework. Thus,…

Computer Vision and Pattern Recognition · Computer Science 2021-04-01 Dayu Tan , Zheng Huang , Xin Peng , Weimin Zhong , Vladimir Mahalec

LiDAR-based Place Recognition (LPR) remains a critical task in Embodied Artificial Intelligence (AI) and Autonomous Driving, primarily addressing localization challenges in GPS-denied environments and supporting loop closure detection.…

Computer Vision and Pattern Recognition · Computer Science 2025-08-13 Jintao Cheng , Jiehao Luo , Xieyuanli Chen , Jin Wu , Rui Fan , Xiaoyu Tang , Wei Zhang

Federated Learning (FL) is a machine learning paradigm that enables clients to jointly train a global model by aggregating the locally trained models without sharing any local training data. In practice, there can often be substantial…

Machine Learning · Computer Science 2025-12-11 M Yashwanth , Gaurav Kumar Nayak , Arya Singh , Yogesh Simmhan , Anirban Chakraborty