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Aligning distributions of view representations is a core component of today's state of the art models for deep multi-view clustering. However, we identify several drawbacks with na\"ively aligning representation distributions. We…

Computer Vision and Pattern Recognition · Computer Science 2021-03-16 Daniel J. Trosten , Sigurd Løkse , Robert Jenssen , Michael Kampffmeyer

Neural networks have revolutionized various domains, exhibiting remarkable accuracy in tasks like natural language processing and computer vision. However, their vulnerability to slight alterations in input samples poses challenges,…

Computer Vision and Pattern Recognition · Computer Science 2023-11-15 Shashank Kotyan , Danilo Vasconcellos Vargas

The self-supervised ultrasound (US) video model pretraining can use a small amount of labeled data to achieve one of the most promising results on US diagnosis. However, it does not take full advantage of multi-level knowledge for learning…

Computer Vision and Pattern Recognition · Computer Science 2022-10-14 Chunhui Zhang , Yixiong Chen , Li Liu , Qiong Liu , Xi Zhou

Contrastive learning has emerged as a competitive pretraining method for object detection. Despite this progress, there has been minimal investigation into the robustness of contrastively pretrained detectors when faced with domain shifts.…

Computer Vision and Pattern Recognition · Computer Science 2022-12-12 Kyle Buettner , Adriana Kovashka

Classical machine learners are designed only to tackle one task without capability of adopting new emerging tasks or classes whereas such capacity is more practical and human-like in the real world. To address this shortcoming, continual…

Machine Learning · Computer Science 2021-12-06 Xuejun Han , Yuhong Guo

Heterogeneous graph neural networks (HGNNs) have been widely applied in heterogeneous information network tasks, while most HGNNs suffer from poor scalability or weak representation when they are applied to large-scale heterogeneous graphs.…

Machine Learning · Computer Science 2022-11-23 Ziming Wan , Deqing Wang , Xuehua Ming , Fuzhen Zhuang , Chenguang Du , Ting Jiang , Zhengyang Zhao

Domain generalization aims to learn knowledge invariant across different distributions while semantically meaningful for downstream tasks from multiple source domains, to improve the model's generalization ability on unseen target domains.…

Machine Learning · Computer Science 2021-06-03 Yunqi Wang , Furui Liu , Zhitang Chen , Qing Lian , Shoubo Hu , Jianye Hao , Yik-Chung Wu

In this paper we present a world model, which learns causal features using the invariance principle. In particular, we use contrastive unsupervised learning to learn the invariant causal features, which enforces invariance across…

Machine Learning · Computer Science 2022-09-30 Rudra P. K. Poudel , Harit Pandya , Roberto Cipolla

Alignment remains a crucial task in multi-modal deep learning, and contrastive learning has been widely applied in this field. However, when there are more than two modalities, existing methods typically calculate pairwise loss function and…

Applications · Statistics 2025-05-07 Yiqiao Chen , Zijian Huang

We present ReCo, a contrastive learning framework designed at a regional level to assist learning in semantic segmentation. ReCo performs semi-supervised or supervised pixel-level contrastive learning on a sparse set of hard negative…

Computer Vision and Pattern Recognition · Computer Science 2022-02-01 Shikun Liu , Shuaifeng Zhi , Edward Johns , Andrew J. Davison

Feature representation via self-supervised learning has reached remarkable success in image-level contrastive learning, which brings impressive performances on image classification tasks. While image-level feature representation mainly…

Computer Vision and Pattern Recognition · Computer Science 2022-03-16 Junwei Yang , Ke Zhang , Zhaolin Cui , Jinming Su , Junfeng Luo , Xiaolin Wei

Distribution shifts are problems where the distribution of data changes between training and testing, which can significantly degrade the performance of a model deployed in the real world. Recent studies suggest that one reason for the…

Machine Learning · Computer Science 2023-04-10 Takuro Kutsuna

As textual attributes like font are core design elements of document format and page style, automatic attributes recognition favor comprehensive practical applications. Existing approaches already yield satisfactory performance in…

Computer Vision and Pattern Recognition · Computer Science 2022-08-23 Chang Nie , Yiqing Hu , Yanqiu Qu , Hao Liu , Deqiang Jiang , Bo Ren

General Continual Learning (GCL) aims at learning from non independent and identically distributed stream data without catastrophic forgetting of the old tasks that don't rely on task boundaries during both training and testing stages. We…

Computer Vision and Pattern Recognition · Computer Science 2023-01-02 Zhong Ji , Jin Li , Qiang Wang , Zhongfei Zhang

Training images with data transformations have been suggested as contrastive examples to complement the testing set for generalization performance evaluation of deep neural networks (DNNs). In this work, we propose a practical framework…

Machine Learning · Computer Science 2021-06-22 Xuanyu Wu , Xuhong Li , Haoyi Xiong , Xiao Zhang , Siyu Huang , Dejing Dou

Contrastive learning has emerged as a powerful method in deep learning, excelling at learning effective representations through contrasting samples from different distributions. However, neural collapse, where embeddings converge into a…

Machine Learning · Computer Science 2024-10-08 Huanran Li , Manh Nguyen , Daniel Pimentel-Alarcón

Labeling videos at scale is impractical. Consequently, self-supervised visual representation learning is key for efficient video analysis. Recent success in learning image representations suggests contrastive learning is a promising…

Computer Vision and Pattern Recognition · Computer Science 2021-05-03 Nishant Rai , Ehsan Adeli , Kuan-Hui Lee , Adrien Gaidon , Juan Carlos Niebles

Contrastive learning has recently established itself as a powerful self-supervised learning framework for extracting rich and versatile data representations. Broadly speaking, contrastive learning relies on a data augmentation scheme to…

Machine Learning · Computer Science 2023-05-02 Ilgee Hong , Huy Tran , Claire Donnat

Multimodal models, such as the Contrastive Language-Image Pre-training (CLIP) model, have demonstrated remarkable success in aligning visual and linguistic representations. However, these models exhibit limitations when applied to…

Computer Vision and Pattern Recognition · Computer Science 2026-03-02 Hiroshi Sasaki

Contrastive learning (CL), which can extract the information shared between different contrastive views, has become a popular paradigm for vision representation learning. Inspired by the success in computer vision, recent work introduces CL…

Machine Learning · Computer Science 2022-12-15 Xumeng Gong , Cheng Yang , Chuan Shi
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