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Data augmentation techniques have been widely used to improve machine learning performance as they enhance the generalization capability of models. In this work, to generate high quality synthetic data for low-resource tagging tasks, we…

Computation and Language · Computer Science 2020-11-04 Bosheng Ding , Linlin Liu , Lidong Bing , Canasai Kruengkrai , Thien Hai Nguyen , Shafiq Joty , Luo Si , Chunyan Miao

With the capabilities of understanding and executing natural language instructions, Large language models (LLMs) can potentially act as a powerful tool for textual data augmentation. However, the quality of augmented data depends heavily on…

Computation and Language · Computer Science 2024-04-30 Yichuan Li , Kaize Ding , Jianling Wang , Kyumin Lee

The lack of labeled data is a major obstacle to learning high-quality sentence embeddings. Recently, self-supervised contrastive learning (SCL) is regarded as a promising way to address this problem. However, the existing works mainly rely…

Computation and Language · Computer Science 2022-03-01 Junhan Yang , Zheng Liu , Shitao Xiao , Jianxun Lian , Lijun Wu , Defu Lian , Guangzhong Sun , Xing Xie

While semi-supervised learning (SSL) algorithms provide an efficient way to make use of both labelled and unlabelled data, they generally struggle when the number of annotated samples is very small. In this work, we consider the problem of…

Computer Vision and Pattern Recognition · Computer Science 2020-04-23 Sylvestre-Alvise Rebuffi , Sebastien Ehrhardt , Kai Han , Andrea Vedaldi , Andrew Zisserman

In this work we address multi-target domain adaptation (MTDA) in semantic segmentation, which consists in adapting a single model from an annotated source dataset to multiple unannotated target datasets that differ in their underlying data…

Computer Vision and Pattern Recognition · Computer Science 2022-10-05 Yangsong Zhang , Subhankar Roy , Hongtao Lu , Elisa Ricci , Stéphane Lathuilière

Large Language Models (LLMs) have demonstrated remarkable capabilities across diverse domains, but developing high-performing models for specialized applications often requires substantial human annotation -- a process that is…

Computation and Language · Computer Science 2025-07-30 Abhinav Arabelly , Jagrut Nemade , Robert D Nowak , Jifan Zhang

Recent research in the field of computer vision strongly focuses on deep learning architectures to tackle image processing problems. Deep neural networks are often considered in complex image processing scenarios since traditional computer…

Computer Vision and Pattern Recognition · Computer Science 2021-11-30 Marcel P. Schilling , Luca Rettenberger , Friedrich Münke , Haijun Cui , Anna A. Popova , Pavel A. Levkin , Ralf Mikut , Markus Reischl

In support of open and reproducible research, there has been a rapidly increasing number of datasets made available for research. As the availability of datasets increases, it becomes more important to have quality metadata for discovering…

Computation and Language · Computer Science 2023-10-18 Shiwei Zhang , Mingfang Wu , Xiuzhen Zhang

Accurately annotating and controlling protein function from sequence data remains a major challenge, particularly within homologous families where annotated sequences are scarce and structural variation is minimal. We present a two-stage…

Quantitative Methods · Quantitative Biology 2025-07-22 Lorenzo Rosset , Martin Weigt , Francesco Zamponi

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

Multi-label text classification (MLTC) is the task of assigning multiple labels to a given text, and has a wide range of application domains. Most existing approaches require an enormous amount of annotated data to learn a classifier and/or…

Computation and Language · Computer Science 2023-09-26 Muberra Ozmen , Joseph Cotnareanu , Mark Coates

Self-supervised learning has recently emerged as a strong alternative in document analysis. These approaches are now capable of learning high-quality image representations and overcoming the limitations of supervised methods, which require…

Computer Vision and Pattern Recognition · Computer Science 2024-04-30 Marwa Dhiaf , Mohamed Ali Souibgui , Kai Wang , Yuyang Liu , Yousri Kessentini , Alicia Fornés , Ahmed Cheikh Rouhou

This paper presents methods of making using of text supervision to improve the performance of sequence-to-sequence (seq2seq) voice conversion. Compared with conventional frame-to-frame voice conversion approaches, the seq2seq acoustic…

Sound · Computer Science 2020-01-14 Jing-Xuan Zhang , Zhen-Hua Ling , Yuan Jiang , Li-Juan Liu , Chen Liang , Li-Rong Dai

Structured tabular data is a fundamental data type in numerous fields, and the capacity to reason over tables is crucial for answering questions and validating hypotheses. However, constructing labeled data for complex reasoning tasks is…

Computation and Language · Computer Science 2024-06-24 Zhenyu Li , Xiuxing Li , Sunqi Fan , Jianyong Wang

Machine learning has been utilized to perform tasks in many different domains such as classification, object detection, image segmentation and natural language analysis. Data labeling has always been one of the most important tasks in…

Machine Learning · Computer Science 2021-09-09 Shikun Zhang , Omid Jafari , Parth Nagarkar

Self-supervised pretraining has been observed to be effective at improving feature representations for transfer learning, leveraging large amounts of unlabelled data. This review summarizes recent research into its usage in X-ray, computed…

Machine Learning · Computer Science 2023-09-07 Blake VanBerlo , Jesse Hoey , Alexander Wong

Deep learning algorithms are often said to be data hungry. The performance of such algorithms generally improve as more and more annotated data is fed into the model. While collecting unlabelled data is easier (as they can be scraped easily…

Machine Learning · Computer Science 2024-01-04 Abhishek Sinha , Shreya Singh

The development of largely human-annotated benchmarks has driven the success of deep neural networks in various NLP tasks. To enhance the effectiveness of existing benchmarks, collecting new additional input-output pairs is often too costly…

Computation and Language · Computer Science 2023-06-09 Jaehyung Kim , Jinwoo Shin , Dongyeop Kang

Human annotations are an important source of information in the development of natural language understanding approaches. As under the pressure of productivity annotators can assign different labels to a given text, the quality of produced…

Computation and Language · Computer Science 2020-10-29 Kristian Miok , Gregor Pirs , Marko Robnik-Sikonja

For high-resource languages like English, text classification is a well-studied task. The performance of modern NLP models easily achieves an accuracy of more than 90% in many standard datasets for text classification in English (Xie et…

Computation and Language · Computer Science 2022-06-06 Dawei Zhu , Michael A. Hedderich , Fangzhou Zhai , David Ifeoluwa Adelani , Dietrich Klakow