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Despite their success, unsupervised domain adaptation methods for semantic segmentation primarily focus on adaptation between image domains and do not utilize other abundant visual modalities like depth, infrared and event. This limitation…

计算机视觉与模式识别 · 计算机科学 2024-10-30 Ruihao Xia , Yu Liang , Peng-Tao Jiang , Hao Zhang , Bo Li , Yang Tang , Pan Zhou

Safe artificial intelligence for perception tasks remains a major challenge, partly due to the lack of data with high-quality labels. Annotations themselves are subject to aleatoric and epistemic uncertainty, which is typically ignored…

Knowledge-grounded dialogue generation aims to mitigate the issue of text degeneration by incorporating external knowledge to supplement the context. However, the model often fails to internalize this information into responses in a…

计算与语言 · 计算机科学 2023-10-18 Chenxu Yang , Zheng Lin , Lanrui Wang , Chong Tian , Liang Pang , Jiangnan Li , Qirong Ho , Yanan Cao , Weiping Wang

Generative seq2seq dialogue systems are trained to predict the next word in dialogues that have already occurred. They can learn from large unlabeled conversation datasets, build a deep understanding of conversational context, and generate…

计算与语言 · 计算机科学 2019-10-21 Sam Shleifer , Manish Chablani , Namit Katariya , Anitha Kannan , Xavier Amatriain

Multi-label classification (MLC) refers to the problem of tagging a given instance with a set of relevant labels. Most existing MLC methods are based on the assumption that the correlation of two labels in each label pair is symmetric,…

机器学习 · 计算机科学 2024-10-04 Xingyu Zhao , Yuexuan An , Lei Qi , Xin Geng

Recent neural approaches to data-to-text generation have mostly focused on improving content fidelity while lacking explicit control over writing styles (e.g., word choices, sentence structures). More traditional systems use templates to…

计算与语言 · 计算机科学 2020-10-12 Shuai Lin , Wentao Wang , Zichao Yang , Xiaodan Liang , Frank F. Xu , Eric Xing , Zhiting Hu

Domain adaptation is an essential task in dialog system building because there are so many new dialog tasks created for different needs every day. Collecting and annotating training data for these new tasks is costly since it involves real…

计算与语言 · 计算机科学 2019-08-20 Kun Qian , Zhou Yu

The vulnerability of models to data aberrations and adversarial attacks influences their ability to demarcate distinct class boundaries efficiently. The network's confidence and uncertainty play a pivotal role in weight adjustments and the…

机器学习 · 计算机科学 2020-12-15 Utkarsh Uppal , Bharat Giddwani

Neural language models often fail to generate diverse and informative texts, limiting their applicability in real-world problems. While previous approaches have proposed to address these issues by identifying and penalizing undesirable…

计算与语言 · 计算机科学 2023-09-25 Jimin Hong , ChaeHun Park , Jaegul Choo

Diffusion-based classifiers such as those relying on the Personalized PageRank and the Heat kernel, enjoy remarkable classification accuracy at modest computational requirements. Their performance however is affected by the extent to which…

Machine learning approaches to multi-label document classification have to date largely relied on discriminative modeling techniques such as support vector machines. A drawback of these approaches is that performance rapidly drops off as…

机器学习 · 统计学 2011-11-11 Timothy N. Rubin , America Chambers , Padhraic Smyth , Mark Steyvers

Unsupervised domain adaptation (UDA) for person re-identification is challenging because of the huge gap between the source and target domain. A typical self-training method is to use pseudo-labels generated by clustering algorithms to…

计算机视觉与模式识别 · 计算机科学 2021-12-28 Wenhao Wang , Fang Zhao , Shengcai Liao , Ling Shao

After the great success of Vision Transformer variants (ViTs) in computer vision, it has also demonstrated great potential in domain adaptive semantic segmentation. Unfortunately, straightforwardly applying local ViTs in domain adaptive…

计算机视觉与模式识别 · 计算机科学 2022-03-16 Runfa Chen , Yu Rong , Shangmin Guo , Jiaqi Han , Fuchun Sun , Tingyang Xu , Wenbing Huang

Unsupervised domain adaptation (UDA) is a statistical learning problem when the distribution of training (source) data is different from that of test (target) data. In this setting, one has access to labeled data only from the source domain…

机器学习 · 计算机科学 2026-02-24 Seonghwi Kim , Sung Ho Jo , Wooseok Ha , Minwoo Chae

Variational autoencoders have been widely applied for natural language generation, however, there are two long-standing problems: information under-representation and posterior collapse. The former arises from the fact that only the last…

机器学习 · 计算机科学 2021-06-17 Xianghong Fang , Haoli Bai , Zenglin Xu , Michael Lyu , Irwin King

Generative seq2seq dialogue systems are trained to predict the next word in dialogues that have already occurred. They can learn from large unlabeled conversation datasets, build a deeper understanding of conversational context, and…

计算与语言 · 计算机科学 2019-11-21 Sam Shleifer , Manish Chablani , Anitha Kannan , Namit Katariya , Xavier Amatriain

Text classification tasks often encounter few shot scenarios with limited labeled data, and addressing data scarcity is crucial. Data augmentation with mixup has shown to be effective on various text classification tasks. However, most of…

计算与语言 · 计算机科学 2023-11-28 Haoqi Zheng , Qihuang Zhong , Liang Ding , Zhiliang Tian , Xin Niu , Dongsheng Li , Dacheng Tao

With the development of deep learning, advanced dialogue generation methods usually require a greater amount of computational resources. One promising approach to obtaining a high-performance and lightweight model is knowledge distillation,…

计算与语言 · 计算机科学 2023-03-22 Yiwei Li , Shaoxiong Feng , Bin Sun , Kan Li

Robust cross-subject emotion recognition from multimodal physiological signals remains a challenging problem, primarily due to modality heterogeneity and inter-subject distribution shift. To tackle these challenges, we propose a novel…

多媒体 · 计算机科学 2026-01-30 Jiahao Tang , Youjun Li , Yangxuan Zheng , Xiangting Fan , Siyuan Lu , Nuo Zhang , Zi-Gang Huang

In semi-supervised learning, methods that rely on confidence learning to generate pseudo-labels have been widely proposed. However, increasing research finds that when faced with noisy and biased data, the model's representation network is…

计算机视觉与模式识别 · 计算机科学 2024-04-29 Yanbiao Ma , Licheng Jiao , Fang Liu , Lingling Li , Shuyuan Yang , Xu Liu