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Unsupervised Data Augmentation (UDA) is a semi-supervised technique that applies a consistency loss to penalize differences between a model's predictions on (a) observed (unlabeled) examples; and (b) corresponding 'noised' examples produced…

Computation and Language · Computer Science 2020-10-26 David Lowell , Brian E. Howard , Zachary C. Lipton , Byron C. Wallace

Based on recent advances in natural language modeling and those in text generation capabilities, we propose a novel data augmentation method for text classification tasks. We use a powerful pre-trained neural network model to artificially…

Computation and Language · Computer Science 2019-11-28 Ateret Anaby-Tavor , Boaz Carmeli , Esther Goldbraich , Amir Kantor , George Kour , Segev Shlomov , Naama Tepper , Naama Zwerdling

Unsupervised pre-training has led to much recent progress in natural language understanding. In this paper, we study self-training as another way to leverage unlabeled data through semi-supervised learning. To obtain additional data for a…

Computation and Language · Computer Science 2020-10-06 Jingfei Du , Edouard Grave , Beliz Gunel , Vishrav Chaudhary , Onur Celebi , Michael Auli , Ves Stoyanov , Alexis Conneau

Semi-supervised learning lately has shown much promise in improving deep learning models when labeled data is scarce. Common among recent approaches is the use of consistency training on a large amount of unlabeled data to constrain model…

Machine Learning · Computer Science 2020-11-06 Qizhe Xie , Zihang Dai , Eduard Hovy , Minh-Thang Luong , Quoc V. Le

The state of the art in semantic segmentation is steadily increasing in performance, resulting in more precise and reliable segmentations in many different applications. However, progress is limited by the cost of generating labels for…

Computer Vision and Pattern Recognition · Computer Science 2020-12-01 Viktor Olsson , Wilhelm Tranheden , Juliano Pinto , Lennart Svensson

Data augmentation has been widely used to improve deep neural networks in many research fields, such as computer vision. However, less work has been done in the context of text, partially due to its discrete nature and the complexity of…

Computation and Language · Computer Science 2021-01-12 Ping Yu , Ruiyi Zhang , Yang Zhao , Yizhe Zhang , Chunyuan Li , Changyou Chen

Physiological and behavioral data collected from wearable or mobile sensors have been used to estimate self-reported stress levels. Since the stress annotation usually relies on self-reports during the study, a limited amount of labeled…

Signal Processing · Electrical Eng. & Systems 2022-03-01 Han Yu , Akane Sano

In this paper, we investigate the usage of autoencoders in modeling textual data. Traditional autoencoders suffer from at least two aspects: scalability with the high dimensionality of vocabulary size and dealing with task-irrelevant words.…

Machine Learning · Computer Science 2015-12-15 Shuangfei Zhai , Zhongfei Zhang

In this paper, we apply Semi-Supervised Learning (SSL) along with Data Augmentation (DA) for improving the accuracy of End-to-End ASR. We focus on the consistency regularization principle, which has been successfully applied to image…

Audio and Speech Processing · Electrical Eng. & Systems 2020-07-29 Felix Weninger , Franco Mana , Roberto Gemello , Jesús Andrés-Ferrer , Puming Zhan

This study discusses the effect of semi-supervised learning in combination with pretrained language models for data-to-text generation. It is not known whether semi-supervised learning is still helpful when a large-scale language model is…

Computation and Language · Computer Science 2022-07-15 Chris van der Lee , Thiago Castro Ferreira , Chris Emmery , Travis Wiltshire , Emiel Krahmer

We propose the application of a semi-supervised learning method to improve the performance of acoustic modelling for automatic speech recognition based on deep neural net- works. As opposed to unsupervised initialisation followed by…

Machine Learning · Statistics 2016-10-04 Akash Kumar Dhaka , Giampiero Salvi

Named Entity Recognition (NER) is one of the first stages in deep language understanding yet current NER models heavily rely on human-annotated data. In this work, to alleviate the dependence on labeled data, we propose a Local Additivity…

Computation and Language · Computer Science 2020-10-06 Jiaao Chen , Zhenghui Wang , Ran Tian , Zichao Yang , Diyi Yang

Offensive language detection is a crucial task in today's digital landscape, where online platforms grapple with maintaining a respectful and inclusive environment. However, building robust offensive language detection models requires large…

Computation and Language · Computer Science 2024-07-31 Elena-Beatrice Nicola , Dumitru-Clementin Cercel , Florin Pop

Accurate sentiment analysis of texts is crucial for a variety of applications, such as understanding customer feedback, monitoring market trends, and detecting public sentiment. However, manually annotating large sentiment corpora for…

Computation and Language · Computer Science 2025-01-30 Kunrong Li , Xinyu Liu , Zhen Chen

Unsupervised learning has been an attractive method for easily deriving meaningful data representations from vast amounts of unlabeled data. These representations, or embeddings, often yield superior results in many tasks, whether used…

Computation and Language · Computer Science 2018-11-02 Shao-Yen Tseng , Brian Baucom , Panayiotis Georgiou

Deep learning approaches for semantic segmentation rely primarily on supervised learning approaches and require substantial efforts in producing pixel-level annotations. Further, such approaches may perform poorly when applied to unseen…

Computer Vision and Pattern Recognition · Computer Science 2021-10-22 Ying Chen , Xu Ouyang , Kaiyue Zhu , Gady Agam

Automatic emotion recognition is an active research topic with wide range of applications. Due to the high manual annotation cost and inevitable label ambiguity, the development of emotion recognition dataset is limited in both scale and…

Audio and Speech Processing · Electrical Eng. & Systems 2020-09-08 Jingjun Liang , Ruichen Li , Qin Jin

Emotion and intent recognition from speech is essential and has been widely investigated in human-computer interaction. The rapid development of social media platforms, chatbots, and other technologies has led to a large volume of speech…

Sound · Computer Science 2025-07-11 Zhao Ren , Rathi Adarshi Rammohan , Kevin Scheck , Sheng Li , Tanja Schultz

Data-driven based approaches, in spite of great success in many tasks, have poor generalization when applied to unseen image domains, and require expensive cost of annotation especially for dense pixel prediction tasks such as semantic…

Computer Vision and Pattern Recognition · Computer Science 2021-03-09 Shuaijun Chen , Xu Jia , Jianzhong He , Yongjie Shi , Jianzhuang Liu

Domain adaptation (DA) is a representation learning methodology that transfers knowledge from a label-sufficient source domain to a label-scarce target domain. While most of early methods are focused on unsupervised DA (UDA), several…

Computer Vision and Pattern Recognition · Computer Science 2021-04-02 Yoonhyung Kim , Changick Kim
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