中文
相关论文

相关论文: OmicsCL: Unsupervised Contrastive Learning for Can…

200 篇论文

Contrastive, self-supervised learning (SSL) is used to train a model that predicts cancer type from miRNA, mRNA or RPPA expression data. This model, a pretrained FT-Transformer, is shown to outperform XGBoost and CatBoost, standard…

机器学习 · 计算机科学 2023-11-17 Christian John Hurry , Emma Slade

Different aspects of a clinical sample can be revealed by multiple types of omics data. Integrated analysis of multi-omics data provides a comprehensive view of patients, which has the potential to facilitate more accurate clinical decision…

机器学习 · 计算机科学 2020-02-11 Xiaoyu Zhang , Jingqing Zhang , Kai Sun , Xian Yang , Chengliang Dai , Yike Guo

Single-cell multi-omics data contain huge information of cellular states, and analyzing these data can reveal valuable insights into cellular heterogeneity, diseases, and biological processes. However, as cell differentiation \& development…

基因组学 · 定量生物学 2025-08-27 Wuchao Liu , Han Peng , Wengen Li , Yichao Zhang , Jihong Guan , Shuigeng Zhou

For personalized medicines, very crucial intrinsic information is present in high dimensional omics data which is difficult to capture due to the large number of molecular features and small number of available samples. Different types of…

机器学习 · 计算机科学 2022-02-04 Sayed Hashim , Muhammad Ali , Karthik Nandakumar , Mohammad Yaqub

Mental disorder populations exhibit pronounced heterogeneity -- that is, the significant differences between samples -- poses a significant challenge to the definition of positive pairs in contrastive learning. To address this, we propose a…

机器学习 · 计算机科学 2026-03-23 Xiaolong Li , Guiliang Guo , Guangqi Wen , Peng Cao , Jinzhu Yang , Honglin Wu , Xiaoli Liu , Fei Wang , Osmar R. Zaiane

Previous Online Knowledge Distillation (OKD) often carries out mutually exchanging probability distributions, but neglects the useful representational knowledge. We therefore propose Multi-view Contrastive Learning (MCL) for OKD to…

计算机视觉与模式识别 · 计算机科学 2021-04-13 Chuanguang Yang , Zhulin An , Yongjun Xu

Contrastive learning is a well-established paradigm in representation learning. The standard framework of contrastive learning minimizes the distance between "similar" instances and maximizes the distance between dissimilar ones in the…

机器学习 · 计算机科学 2025-02-06 Naghmeh Ghanooni , Barbod Pajoum , Harshit Rawal , Sophie Fellenz , Vo Nguyen Le Duy , Marius Kloft

Anomaly detection aims at identifying deviant samples from the normal data distribution. Contrastive learning has provided a successful way to sample representation that enables effective discrimination on anomalies. However, when…

计算机视觉与模式识别 · 计算机科学 2022-07-26 Gaoang Wang , Yibing Zhan , Xinchao Wang , Mingli Song , Klara Nahrstedt

Multi-label image classification presents a challenging task in many domains, including computer vision and medical imaging. Recent advancements have introduced graph-based and transformer-based methods to improve performance and capture…

计算机视觉与模式识别 · 计算机科学 2024-04-15 Ahmad Sajedi , Samir Khaki , Yuri A. Lawryshyn , Konstantinos N. Plataniotis

Representation learning offers a conduit to elucidate distinctive features within the latent space and interpret the deep models. However, the randomness of lesion distribution and the complexity of low-quality factors in medical images…

计算机视觉与模式识别 · 计算机科学 2024-04-09 Qingshan Hou , Shuai Cheng , Peng Cao , Jinzhu Yang , Xiaoli Liu , Osmar R. Zaiane , Yih Chung Tham

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

Contrastive learning (CL) has become a powerful approach for learning representations from unlabeled images. However, existing CL methods focus predominantly on visual appearance features while neglecting topological characteristics (e.g.,…

计算机视觉与模式识别 · 计算机科学 2026-03-17 Guangyu Meng , Pengfei Gu , Peixian Liang , John P. Lalor , Erin Wolf Chambers , Danny Z. Chen

This paper presents Prototypical Contrastive Learning (PCL), an unsupervised representation learning method that addresses the fundamental limitations of instance-wise contrastive learning. PCL not only learns low-level features for the…

计算机视觉与模式识别 · 计算机科学 2021-03-31 Junnan Li , Pan Zhou , Caiming Xiong , Steven C. H. Hoi

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

With large-scale well-labeled datasets, deep learning has shown significant success in medical image segmentation. However, it is challenging to acquire abundant annotations in clinical practice due to extensive expertise requirements and…

图像与视频处理 · 电气工程与系统科学 2022-10-20 Ziyuan Zhao , Jinxuan Hu , Zeng Zeng , Xulei Yang , Peisheng Qian , Bharadwaj Veeravalli , Cuntai Guan

Early prediction of severe clinical deterioration and remaining length of stay can enable timely intervention and better resource allocation in high-acuity settings such as the ICU. This has driven the development of machine learning models…

机器学习 · 计算机科学 2026-04-21 Zhongyuan Liang , Junhyung Jo , Hyang-Jung Lee , Sang Kyu Kim , Irene Y. Chen

Self-supervised instance discrimination is an effective contrastive pretext task to learn feature representations and address limited medical image annotations. The idea is to make features of transformed versions of the same images similar…

计算机视觉与模式识别 · 计算机科学 2022-11-17 Yejia Zhang , Xinrong Hu , Nishchal Sapkota , Yiyu Shi , Danny Z. Chen

Learning robust representations to discriminate cell phenotypes based on microscopy images is important for drug discovery. Drug development efforts typically analyse thousands of cell images to screen for potential treatments. Early works…

计算机视觉与模式识别 · 计算机科学 2021-12-28 Alexis Perakis , Ali Gorji , Samriddhi Jain , Krishna Chaitanya , Simone Rizza , Ender Konukoglu

High-throughput microarray and sequencing technology have been used to identify disease subtypes that could not be observed otherwise by using clinical variables alone. The classical unsupervised clustering strategy concerns primarily the…

统计方法学 · 统计学 2020-07-23 Peng Liu , Yusi Fang , Zhao Ren , Lu Tang , George C. Tseng

As medical diagnoses increasingly leverage multimodal data, machine learning models are expected to effectively fuse heterogeneous information while remaining robust to missing modalities. In this work, we propose a novel multimodal…

计算机视觉与模式识别 · 计算机科学 2025-09-24 Yi Gu , Kuniaki Saito , Jiaxin Ma