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Extracting generalized and robust representations is a major challenge in emotion recognition in conversations (ERC). To address this, we propose a supervised adversarial contrastive learning (SACL) framework for learning class-spread…

Computation and Language · Computer Science 2023-07-11 Dou Hu , Yinan Bao , Lingwei Wei , Wei Zhou , Songlin Hu

Contrastive learning has moved the state of the art for many tasks in computer vision and information retrieval in recent years. This poster is the first work that applies supervised contrastive learning to the task of product matching in…

Machine Learning · Computer Science 2022-05-03 Ralph Peeters , Christian Bizer

Recently, various contrastive learning techniques have been developed to categorize time series data and exhibit promising performance. A general paradigm is to utilize appropriate augmentations and construct feasible positive samples such…

Machine Learning · Computer Science 2024-10-11 Qianying Ren , Dongsheng Luo , Dongjin Song

Self-supervised learning (SSL) has emerged as a powerful paradigm for Chest X-ray (CXR) analysis under limited annotations. Yet, existing SSL strategies remain suboptimal for medical imaging. Masked image modeling allocates substantial…

Computer Vision and Pattern Recognition · Computer Science 2026-03-25 Wangyu Feng , Shawn Young , Lijian Xu

In this paper, a novel contrastive language-image pre-training (CLIP) model based semantic communication framework is designed. Compared to standard neural network (e.g.,convolutional neural network) based semantic encoders and decoders…

Machine Learning · Computer Science 2025-07-15 Shaoran Yang , Dongyu Wei , Hanzhi Yu , Zhaohui Yang , Yuchen Liu , Mingzhe Chen

Pre-trained Language Models (PLMs) have achieved remarkable performance gains across numerous downstream tasks in natural language understanding. Various Chinese PLMs have been successively proposed for learning better Chinese language…

Computation and Language · Computer Science 2022-09-16 Borun Chen , Hongyin Tang , Jiahao Bu , Kai Zhang , Jingang Wang , Qifan Wang , Hai-Tao Zheng , Wei Wu , Liqian Yu

Contrastive learning has been frequently investigated to learn effective representations for text clustering tasks. While existing contrastive learning-based text clustering methods only focus on modeling instance-wise semantic similarity…

Computation and Language · Computer Science 2024-08-27 Qian Yong , Chen Chen , Xiabing Zhou

While speech emotion recognition (SER) research has made significant progress, achieving generalization across various corpora continues to pose a problem. We propose a novel domain adaptation technique that embodies a multitask framework…

Computation and Language · Computer Science 2023-10-10 Chung-Soo Ahn , Jagath C. Rajapakse , Rajib Rana

Environmental Sound Classification (ESC) is a challenging field of research in non-speech audio processing. Most of current research in ESC focuses on designing deep models with special architectures tailored for specific audio datasets,…

Sound · Computer Science 2021-03-03 Alireza Nasiri , Jianjun Hu

Contrastive learning has shown effectiveness in improving sequential recommendation models. However, existing methods still face challenges in generating high-quality contrastive pairs: they either rely on random perturbations that corrupt…

Information Retrieval · Computer Science 2025-12-23 Ziqiang Cui , Yunpeng Weng , Xing Tang , Xiaokun Zhang , Shiwei Li , Peiyang Liu , Bowei He , Dugang Liu , Weihong Luo , Xiuqiang He , Chen Ma

In step with the digitalization of transportation, we are witnessing a growing range of path-based smart-city applications, e.g., travel-time estimation and travel path ranking. A temporal path(TP) that includes temporal information, e.g.,…

Machine Learning · Computer Science 2022-04-18 Sean Bin Yang , Chenjuan Guo , Jilin Hu , Bin Yang , Jian Tang , Christian S. Jensen

Recently, pre-trained transformer-based models have achieved great success in the task of definition generation (DG). However, previous encoder-decoder models lack effective representation learning to contain full semantic components of the…

Computation and Language · Computer Science 2022-10-04 Hengyuan Zhang , Dawei Li , Shiping Yang , Yanran Li

Self-supervised learning has proven to be an effective way to learn representations in domains where annotated labels are scarce, such as medical imaging. A widely adopted framework for this purpose is contrastive learning and it has been…

Computer Vision and Pattern Recognition · Computer Science 2024-02-23 Hugo Figueiras , Helena Aidos , Nuno Cruz Garcia

Text classification is a crucial and fundamental task in web content mining. Compared with the previous learning paradigm of pre-training and fine-tuning by cross entropy loss, the recently proposed supervised contrastive learning approach…

Computation and Language · Computer Science 2026-01-26 Mengyu Li , Yonghao Liu , Fausto Giunchiglia , Ximing Li , Xiaoyue Feng , Renchu Guan

The recent breakthrough achieved by contrastive learning accelerates the pace for deploying unsupervised training on real-world data applications. However, unlabeled data in reality is commonly imbalanced and shows a long-tail distribution,…

Computer Vision and Pattern Recognition · Computer Science 2021-06-08 Ziyu Jiang , Tianlong Chen , Bobak Mortazavi , Zhangyang Wang

Recent multimodal models such as Contrastive Language-Image Pre-training (CLIP) have shown remarkable ability to align visual and linguistic representations. However, domains where small visual differences carry large semantic significance,…

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

Text embeddings are useful features in many applications such as semantic search and computing text similarity. Previous work typically trains models customized for different use cases, varying in dataset choice, training objective and…

T cell receptor (TCR) recognition of peptide-MHC (pMHC) complexes is fundamental to adaptive immunity and central to the development of T cell-based immunotherapies. While transformer-based models have shown promise in predicting TCR-pMHC…

Computational Engineering, Finance, and Science · Computer Science 2025-09-23 Jiarui Li , Zixiang Yin , Zhengming Ding , Samuel J. Landry , Ramgopal R. Mettu

Code contrastive pre-training has recently achieved significant progress on code-related tasks. In this paper, we present \textbf{SCodeR}, a \textbf{S}oft-labeled contrastive pre-training framework with two positive sample construction…

Computation and Language · Computer Science 2022-10-27 Xiaonan Li , Daya Guo , Yeyun Gong , Yun Lin , Yelong Shen , Xipeng Qiu , Daxin Jiang , Weizhu Chen , Nan Duan

Contrastive learning has gained significant attention in skeleton-based action recognition for its ability to learn robust representations from unlabeled data. However, existing methods rely on a single skeleton convention, which limits…

Computer Vision and Pattern Recognition · Computer Science 2025-08-21 Mert Kiray , Alvaro Ritter , Nassir Navab , Benjamin Busam
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