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Text augmentation is an effective technique for addressing the problem of insufficient data in natural language processing. However, existing text augmentation methods tend to focus on few-shot scenarios and usually perform poorly on large…

计算与语言 · 计算机科学 2024-04-02 Heng Yang , Ke Li

In this work, we present Con$^{2}$DA, a simple framework that extends recent advances in semi-supervised learning to the semi-supervised domain adaptation (SSDA) problem. Our framework generates pairs of associated samples by performing…

机器学习 · 计算机科学 2023-08-14 Manuel Pérez-Carrasco , Pavlos Protopapas , Guillermo Cabrera-Vives

Many dynamic processes, including common scenarios in robotic control and reinforcement learning (RL), involve a set of interacting subprocesses. Though the subprocesses are not independent, their interactions are often sparse, and the…

机器学习 · 计算机科学 2020-12-07 Silviu Pitis , Elliot Creager , Animesh Garg

Logical reading comprehension is a challenging task that entails grasping the underlying semantics of text and applying reasoning to deduce the correct answer. Prior researches have primarily focused on enhancing logical reasoning…

计算与语言 · 计算机科学 2025-02-07 Chenxu Wang , Ping Jian , Zhen Yang

Adversarial images are designed to mislead deep neural networks (DNNs), attracting great attention in recent years. Although several defense strategies achieved encouraging robustness against adversarial samples, most of them fail to…

机器学习 · 计算机科学 2020-02-25 Hang Yu , Aishan Liu , Xianglong Liu , Gengchao Li , Ping Luo , Ran Cheng , Jichen Yang , Chongzhi Zhang

Despite the evolution of language models, they continue to portray harmful societal biases and stereotypes inadvertently learned from training data. These inherent biases often result in detrimental effects in various applications.…

计算与语言 · 计算机科学 2024-07-24 Ewoenam Kwaku Tokpo , Toon Calders

The generalization capability of deepfake detectors is critical for real-world use. Data augmentation via synthetic fake face generation effectively enhances generalization, yet current SoTA methods rely on fixed strategies-raising a key…

计算机视觉与模式识别 · 计算机科学 2025-11-11 Yuxuan Zhou , Tao Yu , Wen Huang , Yuheng Zhang , Tao Dai , Shu-Tao Xia

Data augmentation has proved extremely useful by increasing training data variance to alleviate overfitting and improve deep neural networks' generalization performance. In medical image analysis, a well-designed augmentation policy usually…

计算机视觉与模式识别 · 计算机科学 2021-03-31 Yunhe Gao , Zhiqiang Tang , Mu Zhou , Dimitris Metaxas

Data Augmentation (DA) -- generating extra training samples beyond original training set -- has been widely-used in today's unbiased VQA models to mitigate the language biases. Current mainstream DA strategies are synthetic-based methods,…

计算机视觉与模式识别 · 计算机科学 2022-09-16 Long Chen , Yuhang Zheng , Jun Xiao

Slot Attention (SA) with pretrained diffusion models has recently shown promise for object-centric learning (OCL), but suffers from slot entanglement and weak alignment between object slots and image content. We propose Contrastive…

计算机视觉与模式识别 · 计算机科学 2026-02-20 Bac Nguyen , Yuhta Takida , Naoki Murata , Chieh-Hsin Lai , Toshimitsu Uesaka , Stefano Ermon , Yuki Mitsufuji

Class imbalance problems frequently occur in real-world tasks, and conventional deep learning algorithms are well known for performance degradation on imbalanced training datasets. To mitigate this problem, many approaches have aimed to…

计算机视觉与模式识别 · 计算机科学 2023-02-14 Sumyeong Ahn , Jongwoo Ko , Se-Young Yun

One critical issue of zero anaphora resolution (ZAR) is the scarcity of labeled data. This study explores how effectively this problem can be alleviated by data augmentation. We adopt a state-of-the-art data augmentation method, called the…

计算与语言 · 计算机科学 2020-11-05 Ryuto Konno , Yuichiroh Matsubayashi , Shun Kiyono , Hiroki Ouchi , Ryo Takahashi , Kentaro Inui

Synthetically augmenting training datasets with diffusion models has become an effective strategy for improving the generalization of image classifiers. However, existing approaches typically increase dataset size by 10-30x and struggle to…

计算机视觉与模式识别 · 计算机科学 2026-03-05 Dang Nguyen , Jiping Li , Jinghao Zheng , Baharan Mirzasoleiman

Data augmentation (DA) is a crucial technique for enhancing the sample efficiency of visual reinforcement learning (RL) algorithms. Notably, employing simple observation transformations alone can yield outstanding performance without extra…

机器学习 · 计算机科学 2023-10-30 Guozheng Ma , Linrui Zhang , Haoyu Wang , Lu Li , Zilin Wang , Zhen Wang , Li Shen , Xueqian Wang , Dacheng Tao

Text classification is a representative downstream task of natural language processing, and has exhibited excellent performance since the advent of pre-trained language models based on Transformer architecture. However, in pre-trained…

计算与语言 · 计算机科学 2022-04-07 Byeong-Cheol Jo , Tak-Sung Heo , Yeongjoon Park , Yongmin Yoo , Won Ik Cho , Kyungsun Kim

Recent advances have been witnessed in audio-language joint learning, such as CLAP, that shows much success in multi-modal understanding tasks. These models usually aggregate uni-modal local representations, namely frame or word features,…

音频与语音处理 · 电气工程与系统科学 2024-08-16 Yiming Li , Zhifang Guo , Xiangdong Wang , Hong Liu

Recent work has demonstrated that using parameter efficient tuning techniques such as prefix tuning (or P-tuning) on pretrained language models can yield performance that is comparable or superior to fine-tuning while dramatically reducing…

计算与语言 · 计算机科学 2023-06-30 Stephen Obadinma , Hongyu Guo , Xiaodan Zhu

Aiming at answering questions based on the content of remotely sensed images, visual question answering for remote sensing data (RSVQA) has attracted much attention nowadays. However, previous works in RSVQA have focused little on the…

计算机视觉与模式识别 · 计算机科学 2023-04-11 Zhenghang Yuan , Lichao Mou , Xiao Xiang Zhu

Contrastive Learning has emerged as a powerful representation learning method and facilitates various downstream tasks especially when supervised data is limited. How to construct efficient contrastive samples through data augmentation is…

计算与语言 · 计算机科学 2021-11-30 Yangkai Du , Tengfei Ma , Lingfei Wu , Fangli Xu , Xuhong Zhang , Bo Long , Shouling Ji

Semantic search is an important task which objective is to find the relevant index from a database for query. It requires a retrieval model that can properly learn the semantics of sentences. Transformer-based models are widely used as…

机器学习 · 计算机科学 2022-09-28 Mingxi Tan , Alexis Rolland , Andong Tian