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Contrastive Learning (CL) has been proved to be a powerful self-supervised approach for a wide range of domains, including computer vision and graph representation learning. However, the incremental learning issue of CL has rarely been…

机器学习 · 计算机科学 2023-01-31 Cheng Ji , Jianxin Li , Hao Peng , Jia Wu , Xingcheng Fu , Qingyun Sun , Phillip S. Yu

With the increasing need to strengthen vehicle safety and detection, the availability of pre-existing methods of catching criminals and identifying vehicles manually through the various traffic surveillance cameras is not only…

计算机视觉与模式识别 · 计算机科学 2023-05-01 Vrinda Agarwal , Aaron George Pichappa , Manideep Ramisetty , Bala Murugan MS , Manoj kumar Rajagopal

Self-supervised facial representation has recently attracted increasing attention due to its ability to perform face understanding without relying on large-scale annotated datasets heavily. However, analytically, current contrastive-based…

计算机视觉与模式识别 · 计算机科学 2023-05-09 Yuanyuan Liu , Wenbin Wang , Yibing Zhan , Shaoze Feng , Kejun Liu , Zhe Chen

Face recall is a basic human cognitive process performed routinely, e.g., when meeting someone and determining if we have met that person before. Assisting a subject during face recall by suggesting candidate faces can be challenging. One…

机器学习 · 统计学 2016-04-29 Andres G. Abad , Luis I. Reyes Castro

Self-Supervised Contrastive Learning has proven effective in deriving high-quality representations from unlabeled data. However, a major challenge that hinders both unimodal and multimodal contrastive learning is feature suppression, a…

计算机视觉与模式识别 · 计算机科学 2024-07-16 Jihai Zhang , Xiang Lan , Xiaoye Qu , Yu Cheng , Mengling Feng , Bryan Hooi

Federated learning (FL) has emerged with increasing popularity to collaborate distributed medical institutions for training deep networks. However, despite existing FL algorithms only allow the supervised training setting, most hospitals in…

计算机视觉与模式识别 · 计算机科学 2021-06-17 Quande Liu , Hongzheng Yang , Qi Dou , Pheng-Ann Heng

Face deepfake detection has seen impressive results recently. Nearly all existing deep learning techniques for face deepfake detection are fully supervised and require labels during training. In this paper, we design a novel deepfake…

计算机视觉与模式识别 · 计算机科学 2021-04-26 Sheldon Fung , Xuequan Lu , Chao Zhang , Chang-Tsun Li

Cross-spectral biometrics, such as matching imagery of faces or persons from visible (RGB) and infrared (IR) bands, have rapidly advanced over the last decade due to increasing sensitivity, size, quality, and ubiquity of IR focal plane…

计算机视觉与模式识别 · 计算机科学 2024-12-02 Kshitij Nikhal , Cedric Nimpa Fondje , Benjamin S. Riggan

With the explosion of digital data in recent years, continuously learning new tasks from a stream of data without forgetting previously acquired knowledge has become increasingly important. In this paper, we propose a new continual learning…

计算机视觉与模式识别 · 计算机科学 2021-03-09 Bo Zhao , Shixiang Tang , Dapeng Chen , Hakan Bilen , Rui Zhao

Statistical machine learning algorithms have achieved state-of-the-art results on benchmark datasets, outperforming humans in many tasks. However, the out-of-distribution data and confounder, which have an unpredictable causal relationship,…

计算机视觉与模式识别 · 计算机科学 2022-10-31 Changjie Lu

Sophisticated automatic incident detection (AID) technology plays a key role in contemporary transportation systems. Though many papers were devoted to study incident classification algorithms, few study investigated how to enhance feature…

机器学习 · 计算机科学 2016-11-18 Jimmy SJ. Ren , Wei Wang , Jiawei Wang , Stephen Liao

Facial Expressions Recognition(FER) on low-resolution images is necessary for applications like group expression recognition in crowd scenarios(station, classroom etc.). Classifying a small size facial image into the right expression…

计算机视觉与模式识别 · 计算机科学 2020-04-07 Wei Jing , Feng Tian , Jizhong Zhang , Kuo-Ming Chao , Zhenxin Hong , Xu Liu

Cross-spectral face recognition (CFR) refers to recognizing individuals using face images stemming from different spectral bands, such as infrared versus visible. While CFR is inherently more challenging than classical face recognition due…

计算机视觉与模式识别 · 计算机科学 2024-10-10 David Anghelone , Cunjian Chen , Arun Ross , Antitza Dantcheva

To overcome the data-hungry challenge, we have proposed a semi-supervised contrastive learning framework for the task of class-imbalanced semantic segmentation. First and foremost, to make the model operate in a semi-supervised manner, we…

计算机视觉与模式识别 · 计算机科学 2022-11-29 Kangcheng Liu

In this paper, we study the problem of training large-scale face identification model with imbalanced training data. This problem naturally exists in many real scenarios including large-scale celebrity recognition, movie actor annotation,…

计算机视觉与模式识别 · 计算机科学 2018-03-19 Yandong Guo , Lei Zhang

Detecting manipulated images and videos is an important topic in digital media forensics. Most detection methods use binary classification to determine the probability of a query being manipulated. Another important topic is locating…

计算机视觉与模式识别 · 计算机科学 2019-06-18 Huy H. Nguyen , Fuming Fang , Junichi Yamagishi , Isao Echizen

Contrastive learning has gained significant attention in skeleton-based action recognition for its ability to learn robust representations from unlabeled data. However, existing methods rely on a single skeleton convention, which limits…

计算机视觉与模式识别 · 计算机科学 2025-08-21 Mert Kiray , Alvaro Ritter , Nassir Navab , Benjamin Busam

Face recognition has been widely studied due to its importance in different applications; however, most of the proposed methods fail when face images are occluded or captured under illumination and pose variations. Recently several low-rank…

计算机视觉与模式识别 · 计算机科学 2017-03-16 Homa Foroughi , Moein Shakeri , Nilanjan Ray , Hong Zhang

Medical image segmentation is a critical yet challenging task, primarily due to the difficulty of obtaining extensive datasets of high-quality, expert-annotated images. Contrastive learning presents a potential but still problematic…

计算机视觉与模式识别 · 计算机科学 2025-04-22 Shuang Zeng , Lei Zhu , Xinliang Zhang , Hangzhou He , Yanye Lu

In standard classification, we typically treat class categories as independent of one-another. In many problems, however, we would be neglecting the natural relations that exist between categories, which are often dictated by an underlying…

计算机视觉与模式识别 · 计算机科学 2020-06-25 Muhamedrahimov Raouf , Bar Amir , Akselrod-Ballin Ayelet