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Molecular Machine Learning (ML) bears promise for efficient molecule property prediction and drug discovery. However, labeled molecule data can be expensive and time-consuming to acquire. Due to the limited labeled data, it is a great…

机器学习 · 计算机科学 2022-04-01 Yuyang Wang , Jianren Wang , Zhonglin Cao , Amir Barati Farimani

Among different existing graph self-supervised learning strategies, graph contrastive learning (GCL) has been one of the most prevalent approaches to this problem. Despite the remarkable performance those GCL methods have achieved, existing…

机器学习 · 计算机科学 2022-10-27 Qianlong Wen , Zhongyu Ouyang , Chunhui Zhang , Yiyue Qian , Yanfang Ye , Chuxu Zhang

Dense correspondence across semantically related images has been extensively studied, but still faces two challenges: 1) large variations in appearance, scale and pose exist even for objects from the same category, and 2) labeling…

计算机视觉与模式识别 · 计算机科学 2022-03-11 Taihong Xiao , Sifei Liu , Shalini De Mello , Zhiding Yu , Jan Kautz , Ming-Hsuan Yang

Robot manipulation relying on learned object-centric descriptors became popular in recent years. Visual descriptors can easily describe manipulation task objectives, they can be learned efficiently using self-supervision, and they can…

计算机视觉与模式识别 · 计算机科学 2024-06-19 David B. Adrian , Andras Gabor Kupcsik , Markus Spies , Heiko Neumann

Point cloud data plays an essential role in robotics and self-driving applications. Yet, annotating point cloud data is time-consuming and nontrivial while they enable learning discriminative 3D representations that empower downstream…

计算机视觉与模式识别 · 计算机科学 2023-03-01 Srikanth Malla , Yi-Ting Chen

Contrastive learning (CL) has achieved astonishing progress in computer vision, speech, and natural language processing fields recently with self-supervised learning. However, CL approach to the supervised setting is not fully explored,…

计算与语言 · 计算机科学 2022-05-23 Zhenyu Zhang , Yuming Zhao , Meng Chen , Xiaodong He

The learn-to-compare paradigm of contrastive representation learning (CRL), which compares positive samples with negative ones for representation learning, has achieved great success in a wide range of domains, including natural language…

信息检索 · 计算机科学 2022-06-02 Lanling Xu , Jianxun Lian , Wayne Xin Zhao , Ming Gong , Linjun Shou , Daxin Jiang , Xing Xie , Ji-Rong Wen

We introduce COLA, a self-supervised pre-training approach for learning a general-purpose representation of audio. Our approach is based on contrastive learning: it learns a representation which assigns high similarity to audio segments…

声音 · 计算机科学 2020-10-22 Aaqib Saeed , David Grangier , Neil Zeghidour

Contrastive learning (CL) has been successful as a powerful representation learning method. In this paper, we propose a contrastive learning framework for cross-domain sentiment classification. We aim to induce domain invariant optimal…

计算与语言 · 计算机科学 2020-12-08 Tian Li , Xiang Chen , Shanghang Zhang , Zhen Dong , Kurt Keutzer

The rapid growth of Large Language Models (LLMs) usage has highlighted the importance of gradient-free in-context learning (ICL). However, interpreting their inner workings remains challenging. This paper introduces a novel multimodal…

计算与语言 · 计算机科学 2024-08-26 Yosuke Miyanishi , Minh Le Nguyen

The healthcare industry generates troves of unlabelled physiological data. This data can be exploited via contrastive learning, a self-supervised pre-training method that encourages representations of instances to be similar to one another.…

机器学习 · 计算机科学 2021-05-18 Dani Kiyasseh , Tingting Zhu , David A. Clifton

Inspired by the success of BERT, several multimodal representation learning approaches have been proposed that jointly represent image and text. These approaches achieve superior performance by capturing high-level semantic information from…

计算机视觉与模式识别 · 计算机科学 2021-09-27 Lei Shi , Kai Shuang , Shijie Geng , Peng Gao , Zuohui Fu , Gerard de Melo , Yunpeng Chen , Sen Su

In recent years, the advent of spatial transcriptomics (ST) technology has unlocked unprecedented opportunities for delving into the complexities of gene expression patterns within intricate biological systems. Despite its transformative…

图像与视频处理 · 电气工程与系统科学 2024-07-12 Wenwen Min , Zhiceng Shi , Jun Zhang , Jun Wan , Changmiao Wang

Graph Neural Networks (GNNs) have received extensive research attention due to their powerful information aggregation capabilities. Despite the success of GNNs, most of them suffer from the popularity bias issue in a graph caused by a small…

机器学习 · 计算机科学 2024-08-02 Yuntao Shou , Haozhi Lan , Xiangyong Cao

Self-supervised representation learning based on Contrastive Learning (CL) has been the subject of much attention in recent years. This is due to the excellent results obtained on a variety of subsequent tasks (in particular…

计算机视觉与模式识别 · 计算机科学 2022-11-21 Ahmed Ben Saad , Kristina Prokopetc , Josselin Kherroubi , Axel Davy , Adrien Courtois , Gabriele Facciolo

Real-world data typically follow a long-tailed distribution, where a few majority categories occupy most of the data while most minority categories contain a limited number of samples. Classification models minimizing cross-entropy struggle…

计算机视觉与模式识别 · 计算机科学 2022-09-13 Jianggang Zhu , Zheng Wang , Jingjing Chen , Yi-Ping Phoebe Chen , Yu-Gang Jiang

The pre-training for language models captures general language understanding but fails to distinguish the affective impact of a particular context to a specific word. Recent works have sought to introduce contrastive learning (CL) for…

计算与语言 · 计算机科学 2024-05-06 Jin Wang , Liang-Chih Yu , Xuejie Zhang

We propose Graph Contrastive Learning (GraphCL), a general framework for learning node representations in a self supervised manner. GraphCL learns node embeddings by maximizing the similarity between the representations of two randomly…

机器学习 · 计算机科学 2020-07-17 Hakim Hafidi , Mounir Ghogho , Philippe Ciblat , Ananthram Swami

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

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