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Answer selection in open-domain dialogues aims to select an accurate answer from candidates. Recent success of answer selection models hinges on training with large amounts of labeled data. However, collecting large-scale labeled data is…

计算与语言 · 计算机科学 2023-07-14 Wentao Deng , Jiahuan Pei , Zhaochun Ren , Zhumin Chen , Pengjie Ren

Domain adaptation aims to reduce the model degradation on the target domain caused by the domain shift between the source and target domains. Although encouraging performance has been achieved by combining cognitive learning with the…

计算机视觉与模式识别 · 计算机科学 2024-10-30 Xiaoke Hao , Shiyu Liu , Chuanbo Feng , Ye Zhu

Existing adversarial learning approaches mostly use class labels to generate adversarial samples that lead to incorrect predictions, which are then used to augment the training of the model for improved robustness. While some recent works…

机器学习 · 计算机科学 2020-10-27 Minseon Kim , Jihoon Tack , Sung Ju Hwang

Deep learning-based AMC methods have achieved remarkable performance, but their practical deployment remains constrained by the high cost of labeled data. Although self-supervised learning (SSL) reduces the reliance on labels, existing…

信号处理 · 电气工程与系统科学 2026-05-13 Chenxu Wang , Shuang Wang , Lirong Han , Xinyu Hu , Hanlin Mo , Hantong Xing , Licheng Jiao

Continual Learning (CL) aims to learn new data while remembering previously acquired knowledge. In contrast to CL for image classification, CL for Object Detection faces additional challenges such as the missing annotations problem. In this…

Natural language inference (NLI) is an increasingly important task for natural language understanding, which requires one to infer the relationship between the sentence pair (premise and hypothesis). Many recent works have used contrastive…

计算与语言 · 计算机科学 2022-05-02 Shu'ang Li , Xuming Hu , Li Lin , Lijie Wen

Pseudo-labeling (PL) and Data Augmentation-based Consistency Training (DACT) are two approaches widely used in Semi-Supervised Learning (SSL) methods. These methods exhibit great power in many machine learning tasks by utilizing unlabeled…

计算机视觉与模式识别 · 计算机科学 2021-09-15 Huixiang Luo , Hao Cheng , Fanxu Meng , Yuting Gao , Ke Li , Mengdan Zhang , Xing Sun

Contrastive language-image Pre-training (CLIP) [13] can leverage large datasets of unlabeled Image-Text pairs, which have demonstrated impressive performance in various downstream tasks. Given that annotating medical data is time-consuming…

图像与视频处理 · 电气工程与系统科学 2023-07-13 Yuhao Wang

What sorts of structure might enable a learner to discover classes from unlabeled data? Traditional approaches rely on feature-space similarity and heroic assumptions on the data. In this paper, we introduce unsupervised learning under…

机器学习 · 计算机科学 2022-12-02 Manley Roberts , Pranav Mani , Saurabh Garg , Zachary C. Lipton

Recent vision-language foundation models, such as CLIP, have demonstrated superior capabilities in learning representations that can be transferable across diverse range of downstream tasks and domains. With the emergence of such powerful…

计算机视觉与模式识别 · 计算机科学 2025-03-14 Hunmin Yang , Jongoh Jeong , Kuk-Jin Yoon

Continual learning aims to learn new tasks incrementally using less computation and memory resources instead of retraining the model from scratch whenever new task arrives. However, existing approaches are designed in supervised fashion…

计算机视觉与模式识别 · 计算机科学 2021-08-03 Jiangpeng He , Fengqing Zhu

Pseudo-label-based semi-supervised learning (SSL) has achieved great success on raw data utilization. However, its training procedure suffers from confirmation bias due to the noise contained in self-generated artificial labels. Moreover,…

计算机视觉与模式识别 · 计算机科学 2022-09-12 Fan Yang , Kai Wu , Shuyi Zhang , Guannan Jiang , Yong Liu , Feng Zheng , Wei Zhang , Chengjie Wang , Long Zeng

A key challenge for Emotion Recognition in Conversations (ERC) is to distinguish semantically similar emotions. Some works utilise Supervised Contrastive Learning (SCL) which uses categorical emotion labels as supervision signals and…

计算与语言 · 计算机科学 2023-02-10 Kailai Yang , Tianlin Zhang , Hassan Alhuzali , Sophia Ananiadou

Recently, prototype learning has emerged in semi-supervised medical image segmentation and achieved remarkable performance. However, the scarcity of labeled data limits the expressiveness of prototypes in previous methods, potentially…

计算机视觉与模式识别 · 计算机科学 2025-05-23 Lijian Li , Yuanpeng He , Chi-Man Pun

Semi-supervised object detection (SSOD) aims to boost detection performance by leveraging extra unlabeled data. The teacher-student framework has been shown to be promising for SSOD, in which a teacher network generates pseudo-labels for…

计算机视觉与模式识别 · 计算机科学 2022-12-07 Honggyu Choi , Zhixiang Chen , Xuepeng Shi , Tae-Kyun Kim

The objective of this paper is to learn semantic representations for sleep stage classification from raw physiological time series. Although supervised methods have gained remarkable performance, they are limited in clinical situations due…

信号处理 · 电气工程与系统科学 2021-10-20 Hongjun Zhang , Jing Wang , Qinfeng Xiao , Jiaoxue Deng , Youfang Lin

Unsupervised Deep Distance Metric Learning (UDML) aims to learn sample similarities in the embedding space from an unlabeled dataset. Traditional UDML methods usually use the triplet loss or pairwise loss which requires the mining of…

计算机视觉与模式识别 · 计算机科学 2020-09-10 Binh X. Nguyen , Binh D. Nguyen , Gustavo Carneiro , Erman Tjiputra , Quang D. Tran , Thanh-Toan Do

Few-shot learning aims to learn to generalize a classifier to novel classes with limited labeled data. Transductive inference that utilizes unlabeled test set to deal with low-data problem has been employed for few-shot learning in recent…

计算机视觉与模式识别 · 计算机科学 2019-06-11 Chenyang Si , Wentao Chen , Wei Wang , Liang Wang , Tieniu Tan

Contrastive Learning (CL)-based recommender systems have gained prominence in the context of Heterogeneous Graph (HG) due to their capacity to enhance the consistency of representations across different views. However, existing frameworks…

信息检索 · 计算机科学 2024-07-30 Lei Sang , Yu Wang , Yi Zhang , Yiwen Zhang , Xindong Wu

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