中文
相关论文

相关论文: Local Contrastive Feature learning for Tabular Dat…

200 篇论文

Multi-label classification, which involves assigning multiple labels to a single input, has emerged as a key area in both research and industry due to its wide-ranging applications. Designing effective loss functions is crucial for…

机器学习 · 计算机科学 2025-01-06 Alexandre Audibert , Aurélien Gauffre , Massih-Reza Amini

Learning effective visual representations without human supervision is a long-standing problem in computer vision. Recent advances in self-supervised learning algorithms have utilized contrastive learning, with methods such as SimCLR, which…

计算机视觉与模式识别 · 计算机科学 2022-02-02 Jansel Herrera-Gerena , Ramakrishnan Sundareswaran , John Just , Matthew Darr , Ali Jannesari

Contrastive self-supervised learning (CSL) based on instance discrimination typically attracts positive samples while repelling negatives to learn representations with pre-defined binary self-supervision. However, vanilla CSL is inadequate…

计算机视觉与模式识别 · 计算机科学 2022-11-04 Yifei Zhang , Chang Liu , Yu Zhou , Weiping Wang , Qixiang Ye , Xiangyang Ji

Unsupervised domain adaptation (UDA) aims to transfer knowledge learned from a fully-labeled source domain to a different unlabeled target domain. Most existing UDA methods learn domain-invariant feature representations by minimizing…

计算机视觉与模式识别 · 计算机科学 2022-05-10 Rui Wang , Zuxuan Wu , Zejia Weng , Jingjing Chen , Guo-Jun Qi , Yu-Gang Jiang

Medical datasets and especially biobanks, often contain extensive tabular data with rich clinical information in addition to images. In practice, clinicians typically have less data, both in terms of diversity and scale, but still wish to…

计算机视觉与模式识别 · 计算机科学 2023-03-31 Paul Hager , Martin J. Menten , Daniel Rueckert

Recent breakthroughs in self-supervised learning show that such algorithms learn visual representations that can be transferred better to unseen tasks than joint-training methods relying on task-specific supervision. In this paper, we found…

机器学习 · 计算机科学 2021-06-29 Hyuntak Cha , Jaeho Lee , Jinwoo Shin

Although there is significant progress in supervised semantic segmentation, it remains challenging to deploy the segmentation models to unseen domains due to domain biases. Domain adaptation can help in this regard by transferring knowledge…

计算机视觉与模式识别 · 计算机科学 2022-05-03 Binhui Xie , Mingjia Li , Shuang Li

Learning from vertical partitioned data silos is challenging due to the segmented nature of data, sample misalignment, and strict privacy concerns. Federated learning has been proposed as a solution. However, sample misalignment across…

机器学习 · 计算机科学 2025-02-17 Achmad Ginanjar , Xue Li , Wen Hua , Jiaming Pei

Multimodal representation learning is commonly built on a shared-private decomposition, treating latent information as either common to all modalities or specific to one. This binary view is often inadequate: many factors are shared by only…

机器学习 · 统计学 2026-04-08 Huichao Li , Junhan Yu , Doudou Zhou

To improve performance in visual feature representation from photos or videos for practical applications, we generally require large-scale human-annotated labeled data while training deep neural networks. However, the cost of gathering and…

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

Advanced graph neural networks have shown great potentials in graph classification tasks recently. Different from node classification where node embeddings aggregated from local neighbors can be directly used to learn node labels, graph…

机器学习 · 计算机科学 2022-03-16 Hao Jia , Junzhong Ji , Minglong Lei

Contrastive learning is a representational learning paradigm in which a neural network maps data elements to feature vectors. It improves the feature space by forming lots with an anchor and examples that are either positive or negative…

计算机视觉与模式识别 · 计算机科学 2025-05-26 Fabian Deuser , Philipp Hausenblas , Hannah Schieber , Daniel Roth , Martin Werner , Norbert Oswald

Graph Contrastive Learning (GCL) is a widely adopted approach in self-supervised graph representation learning, applying contrastive objectives to produce effective representations. However, current GCL methods primarily focus on capturing…

机器学习 · 计算机科学 2025-07-11 Dongxiao He , Yongqi Huang , Jitao Zhao , Xiaobao Wang , Zhen Wang

Contrastive self-supervised learning (CSL) has attracted increasing attention for model pre-training via unlabeled data. The resulted CSL models provide instance-discriminative visual features that are uniformly scattered in the feature…

计算机视觉与模式识别 · 计算机科学 2021-10-15 Yifan Zhang , Bryan Hooi , Dapeng Hu , Jian Liang , Jiashi Feng

We present Cycle-Contrastive Learning (CCL), a novel self-supervised method for learning video representation. Following a nature that there is a belong and inclusion relation of video and its frames, CCL is designed to find correspondences…

计算机视觉与模式识别 · 计算机科学 2020-10-29 Quan Kong , Wenpeng Wei , Ziwei Deng , Tomoaki Yoshinaga , Tomokazu Murakami

Existing graph contrastive learning methods rely on augmentation techniques based on random perturbations (e.g., randomly adding or dropping edges and nodes). Nevertheless, altering certain edges or nodes can unexpectedly change the graph…

机器学习 · 计算机科学 2022-11-08 Huidong Liang , Xingjian Du , Bilei Zhu , Zejun Ma , Ke Chen , Junbin Gao

Continual learning (CL) involves acquiring and accumulating knowledge from evolving tasks while alleviating catastrophic forgetting. Recently, leveraging contrastive loss to construct more transferable and less forgetful representations has…

机器学习 · 计算机科学 2025-09-22 Jia Tang , Xinrui Wang , Songcan Chen

A prominent technique for self-supervised representation learning has been to contrast semantically similar and dissimilar pairs of samples. Without access to labels, dissimilar (negative) points are typically taken to be randomly sampled…

机器学习 · 计算机科学 2020-10-22 Ching-Yao Chuang , Joshua Robinson , Lin Yen-Chen , Antonio Torralba , Stefanie Jegelka

Graph Neural Networks (GNNs) are widely used in collaborative filtering to capture high-order user-item relationships. To address the data sparsity problem in recommendation systems, Graph Contrastive Learning (GCL) has emerged as a…

信息检索 · 计算机科学 2025-07-11 Jinfeng Xu , Zheyu Chen , Shuo Yang , Jinze Li , Hewei Wang , Wei Wang , Xiping Hu , Edith Ngai

In this paper, we propose a one-stage online clustering method called Contrastive Clustering (CC) which explicitly performs the instance- and cluster-level contrastive learning. To be specific, for a given dataset, the positive and negative…

机器学习 · 计算机科学 2020-09-22 Yunfan Li , Peng Hu , Zitao Liu , Dezhong Peng , Joey Tianyi Zhou , Xi Peng