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Purpose: Automating tasks such as lung tumor localization and segmentation in radiological images can free valuable time for radiologists and other clinical personnel. Convolutional neural networks may be suited for such tasks, but require…

图像与视频处理 · 电气工程与系统科学 2021-12-23 Vemund Fredriksen , Svein Ole M. Svele , André Pedersen , Thomas Langø , Gabriel Kiss , Frank Lindseth

Named entity recognition (NER) for identifying proper nouns in unstructured text is one of the most important and fundamental tasks in natural language processing. However, despite the widespread use of NER models, they still require a…

计算与语言 · 计算机科学 2020-12-23 Zhifeng Hao , Di Lv , Zijian Li , Ruichu Cai , Wen Wen , Boyan Xu

Self-taught learning is a technique that uses a large number of unlabeled data as source samples to improve the task performance on target samples. Compared with other transfer learning techniques, self-taught learning can be applied to a…

机器学习 · 计算机科学 2019-12-03 Siwei Feng , Han Yu , Marco F. Duarte

Distantly Supervised Named Entity Recognition (DS-NER) has attracted attention due to its scalability and ability to automatically generate labeled data. However, distant annotation introduces many mislabeled instances, limiting its…

计算与语言 · 计算机科学 2025-04-08 Qi Zhang , Huitong Pan , Zhijia Chen , Longin Jan Latecki , Cornelia Caragea , Eduard Dragut

Affective Behavior Analysis is an important part in human-computer interaction. Existing multi-task affective behavior recognition methods suffer from the problem of incomplete labeled datasets. To tackle this problem, this paper presents a…

计算机视觉与模式识别 · 计算机科学 2021-08-16 Lingfeng Wang , Shisen Wang , Jin Qi , Kenji Suzuki

The state-of-the-art named entity recognition (NER) systems are statistical machine learning models that have strong generalization capability (i.e., can recognize unseen entities that do not appear in training data) based on lexical and…

计算与语言 · 计算机科学 2019-11-04 Jian Ni , Radu Florian

In order to train robust deep learning models, large amounts of labelled data is required. However, in the absence of such large repositories of labelled data, unlabeled data can be exploited for the same. Semi-Supervised learning aims to…

机器学习 · 计算机科学 2021-07-20 Soumyadeep Ghosh , Sanjay Kumar , Janu Verma , Awanish Kumar

In this paper we consider a version of the zero-shot learning problem where seen class source and target domain data are provided. The goal during test-time is to accurately predict the class label of an unseen target domain instance based…

计算机视觉与模式识别 · 计算机科学 2015-09-29 Ziming Zhang , Venkatesh Saligrama

Zero Shot Learning (ZSL) enables a learning model to classify instances of an unseen class during training. While most research in ZSL focuses on single-label classification, few studies have been done in multi-label ZSL, where an instance…

机器学习 · 计算机科学 2016-06-02 Ubai Sandouk , Ke Chen

Most NER methods rely on extensive labeled data for model training, which struggles in the low-resource scenarios with limited training data. Existing dominant approaches usually suffer from the challenge that the target domain has…

计算与语言 · 计算机科学 2023-01-26 Xiang Chen , Lei Li , Shumin Deng , Chuanqi Tan , Changliang Xu , Fei Huang , Luo Si , Huajun Chen , Ningyu Zhang

Acoustic word embeddings are fixed-dimensional representations of variable-length speech segments. In settings where unlabelled speech is the only available resource, such embeddings can be used in "zero-resource" speech search, indexing…

计算与语言 · 计算机科学 2020-02-24 Herman Kamper , Yevgen Matusevych , Sharon Goldwater

The remarkable success of today's deep neural networks highly depends on a massive number of correctly labeled data. However, it is rather costly to obtain high-quality human-labeled data, leading to the active research area of training…

机器学习 · 计算机科学 2020-11-04 Jiacheng Wang , Yue Ma , Shuang Gao

Named Entity Recognition (NER) is a fundamental task in NLP that is used to locate the key information in text and is primarily applied in conversational and search systems. In commercial applications, NER or comparable slot-filling methods…

计算与语言 · 计算机科学 2023-06-13 Maithili Sabane , Aparna Ranade , Onkar Litake , Parth Patil , Raviraj Joshi , Dipali Kadam

Continual learning (CL) aims to empower models to learn new tasks without forgetting previously acquired knowledge. Most prior works concentrate on the techniques of architectures, replay data, regularization, \etc. However, the category…

计算机视觉与模式识别 · 计算机科学 2024-03-26 Bolin Ni , Hongbo Zhao , Chenghao Zhang , Ke Hu , Gaofeng Meng , Zhaoxiang Zhang , Shiming Xiang

There is a recent interest in investigating few-shot NER, where the low-resource target domain has different label sets compared with a resource-rich source domain. Existing methods use a similarity-based metric. However, they cannot make…

计算与语言 · 计算机科学 2021-06-04 Leyang Cui , Yu Wu , Jian Liu , Sen Yang , Yue Zhang

Recent Named Entity Recognition (NER) advancements have significantly enhanced text classification capabilities. This paper focuses on spoken NER, aimed explicitly at spoken document retrieval, an area not widely studied due to the lack of…

计算与语言 · 计算机科学 2024-09-12 Moncef Benaicha , David Thulke , M. A. Tuğtekin Turan

The objective of unsupervised person re-identification (Re-ID) is to learn discriminative features without labor-intensive identity annotations. State-of-the-art unsupervised Re-ID methods assign pseudo labels to unlabeled images in the…

计算机视觉与模式识别 · 计算机科学 2020-11-30 Hao Chen , Benoit Lagadec , Francois Bremond

In many multilingual text classification problems, the documents in different languages often share the same set of categories. To reduce the labeling cost of training a classification model for each individual language, it is important to…

计算与语言 · 计算机科学 2012-07-03 Yuhong Guo , Min Xiao

Most translation tasks among languages belong to the zero-resource translation problem where parallel corpora are unavailable. Multilingual neural machine translation (MNMT) enables one-pass translation using shared semantic space for all…

计算与语言 · 计算机科学 2022-08-25 Jian Yang , Yuwei Yin , Shuming Ma , Dongdong Zhang , Shuangzhi Wu , Hongcheng Guo , Zhoujun Li , Furu Wei

We study the problem of named entity recognition (NER) based on demonstration learning in low-resource scenarios. We identify two issues in demonstration construction and model training. Firstly, existing methods for selecting demonstration…

计算与语言 · 计算机科学 2025-07-23 Guowen Yuan , Tien-Hsuan Wu , Lianghao Xia , Ben Kao