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Despite recent success, most contrastive self-supervised learning methods are domain-specific, relying heavily on data augmentation techniques that require knowledge about a particular domain, such as image cropping and rotation. To…

机器学习 · 计算机科学 2021-07-21 Vikas Verma , Minh-Thang Luong , Kenji Kawaguchi , Hieu Pham , Quoc V. Le

Deep neural networks often degrade significantly when training data suffer from class imbalance problems. Existing approaches, e.g., re-sampling and re-weighting, commonly address this issue by rearranging the label distribution of training…

计算机视觉与模式识别 · 计算机科学 2020-08-11 Renzhen Wang , Kaiqin Hu , Yanwen Zhu , Jun Shu , Qian Zhao , Deyu Meng

In this paper, our goal is to design a simple learning paradigm for long-tail visual recognition, which not only improves the robustness of the feature extractor but also alleviates the bias of the classifier towards head classes while…

计算机视觉与模式识别 · 计算机科学 2023-05-16 Fei Du , Peng Yang , Qi Jia , Fengtao Nan , Xiaoting Chen , Yun Yang

Medical image segmentation is a fundamental yet challenging task due to the arduous process of acquiring large volumes of high-quality labeled data from experts. Contrastive learning offers a promising but still problematic solution to this…

计算机视觉与模式识别 · 计算机科学 2025-02-14 Shuang Zeng , Lei Zhu , Xinliang Zhang , Micky C Nnamdi , Wenqi Shi , J Ben Tamo , Qian Chen , Hangzhou He , Lujia Jin , Zifeng Tian , Qiushi Ren , Zhaoheng Xie , Yanye Lu

In this paper, we introduce Modality-Inconsistent Continual Learning (MICL), a new continual learning scenario for Multimodal Large Language Models (MLLMs) that involves tasks with inconsistent modalities (image, audio, or video) and…

机器学习 · 计算机科学 2026-05-13 Weiguo Pian , Shijian Deng , Shentong Mo , Mingrui Liu , Yunhui Guo , Yapeng Tian

Reliable facial expression learning (FEL) involves the effective learning of distinctive facial expression characteristics for more reliable, unbiased and accurate predictions in real-life settings. However, current systems struggle with…

计算机视觉与模式识别 · 计算机科学 2024-12-10 Azmine Toushik Wasi , Taki Hasan Rafi , Raima Islam , Karlo Serbetar , Dong Kyu Chae

Facial Attribute Classification (FAC) has attracted increasing attention in computer vision and pattern recognition. However, state-of-the-art FAC methods perform face detection/alignment and FAC independently. The inherent dependencies…

计算机视觉与模式识别 · 计算机科学 2020-02-11 Longbiao Mao , Yan Yan , Jing-Hao Xue , Hanzi Wang

Long-tailed problem has been an important topic in face recognition task. However, existing methods only concentrate on the long-tailed distribution of classes. Differently, we devote to the long-tailed domain distribution problem, which…

计算机视觉与模式识别 · 计算机科学 2020-04-01 Dong Cao , Xiangyu Zhu , Xingyu Huang , Jianzhu Guo , Zhen Lei

When supervising an object detector with weakly labeled data, most existing approaches are prone to trapping in the discriminative object parts, e.g., finding the face of a cat instead of the full body, due to lacking the supervision on the…

计算机视觉与模式识别 · 计算机科学 2017-11-28 Siyang Li , Xiangxin Zhu , Qin Huang , Hao Xu , C. -C. Jay Kuo

To achieve good performance in face recognition, a large scale training dataset is usually required. A simple yet effective way to improve recognition performance is to use a dataset as large as possible by combining multiple datasets in…

计算机视觉与模式识别 · 计算机科学 2021-01-15 Gaoang Wang , Lin Chen , Tianqiang Liu , Mingwei He , Jiebo Luo

The semantic controllability of StyleGAN is enhanced by unremitting research. Although the existing weak supervision methods work well in manipulating the style codes along one attribute, the accuracy of manipulating multiple attributes is…

计算机视觉与模式识别 · 计算机科学 2022-09-29 Bingchuan Li , Shaofei Cai , Wei Liu , Peng Zhang , Qian He , Miao Hua , Zili Yi

Long-tailed recognition with imbalanced class distribution naturally emerges in practical machine learning applications. Existing methods such as data reweighing, resampling, and supervised contrastive learning enforce the class balance…

计算机视觉与模式识别 · 计算机科学 2023-09-12 Chengkai Hou , Jieyu Zhang , Haonan Wang , Tianyi Zhou

Multimodal Contrastive Learning (MCL) advances in aligning different modalities and generating multimodal representations in a joint space. By leveraging contrastive learning across diverse modalities, large-scale multimodal data enhances…

机器学习 · 计算机科学 2025-09-23 Xiaohao Liu , Xiaobo Xia , See-Kiong Ng , Tat-Seng Chua

Micro-Expression Recognition (MER) is a challenging task as the subtle changes occur over different action regions of a face. Changes in facial action regions are formed as Action Units (AUs), and AUs in micro-expressions can be seen as the…

计算机视觉与模式识别 · 计算机科学 2021-03-24 Ling Zhou , Qirong Mao , Ming Dong

Kinship verification is a long-standing research challenge in computer vision. The visual differences presented to the face have a significant effect on the recognition capabilities of the kinship systems. We argue that aggregating multiple…

计算机视觉与模式识别 · 计算机科学 2021-09-08 Guan-Nan Dong , Chi-Man Pun , Zheng Zhang

Multi-modal deep metric learning is crucial for effectively capturing diverse representations in tasks such as face verification, fine-grained object recognition, and product search. Traditional approaches to metric learning, whether based…

计算机视觉与模式识别 · 计算机科学 2024-11-06 Hadush Hailu Gebrerufael , Anil Kumar Tiwari , Gaurav Neupane , Goitom Ybrah Hailu

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…

计算机视觉与模式识别 · 计算机科学 2024-07-31 Yuxiang Yang , Lu Wen , Xinyi Zeng , Yuanyuan Xu , Xi Wu , Jiliu Zhou , Yan Wang

In recent years, there has been a notable increase in the use of supervised detection methods of major depressive disorder (MDD) based on electroencephalogram (EEG) signals. However, the process of labeling MDD remains challenging. As a…

机器学习 · 计算机科学 2025-12-17 Li-Xuan Zhao , Chen-Yang Xu , Wen-Qiang Li , Bo Wang , Rong-Xing Wei , Qing-Hao Menga

Understanding human affective behaviour, especially in the dynamics of real-world settings, requires Facial Expression Recognition (FER) models to continuously adapt to individual differences in user expression, contextual attributions, and…

计算机视觉与模式识别 · 计算机科学 2023-05-12 Nikhil Churamani , Tolga Dimlioglu , German I. Parisi , Hatice Gunes

The malicious use and widespread dissemination of deepfake pose a significant crisis of trust. Current deepfake detection models can generally recognize forgery images by training on a large dataset. However, the accuracy of detection…

计算机视觉与模式识别 · 计算机科学 2023-09-19 Kun Pan , Yin Yifang , Yao Wei , Feng Lin , Zhongjie Ba , Zhenguang Liu , ZhiBo Wang , Lorenzo Cavallaro , Kui Ren