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Data augmentation techniques are widely used for enhancing the performance of machine learning models by tackling class imbalance issues and data sparsity. State-of-the-art generative language models have been shown to provide significant…

Computation and Language · Computer Science 2023-01-10 Aleksandra Edwards , Asahi Ushio , Jose Camacho-Collados , Hélène de Ribaupierre , Alun Preece

Lack of large, well-annotated emotional speech corpora continues to limit the performance and robustness of speech emotion recognition (SER), particularly as models grow more complex and the demand for multimodal systems increases. While…

Sound · Computer Science 2026-02-13 Chung-Soo Ahn , Rajib Rana , Sunil Sivadas , Carlos Busso , Jagath C. Rajapakse

Readability assessment aims to automatically classify text by the level appropriate for learning readers. Traditional approaches to this task utilize a variety of linguistically motivated features paired with simple machine learning models.…

Computation and Language · Computer Science 2020-08-04 Tovly Deutsch , Masoud Jasbi , Stuart Shieber

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

Data augmentation is widely used in text classification, especially in the low-resource regime where a few examples for each class are available during training. Despite the success, generating data augmentations as hard positive examples…

Computation and Language · Computer Science 2023-08-10 Junfan Chen , Richong Zhang , Zheyan Luo , Chunming Hu , Yongyi Mao

Gradient boosting remains a strong and widely used method for tabular data learning, but its performance often degrades when training labels are noisy. This behavior is largely related to the way boosting algorithms emphasize samples with…

Machine Learning · Computer Science 2026-05-12 Ye Su , Longlong Zhao , Diego Garcia-Gil , Jipeng Guo , Gangchun Zhang , Jinxin Chen , Jinsong Chen

Run-time domain shifts from training-phase domains are common in sensing systems designed with deep learning. The shifts can be caused by sensor characteristic variations and/or discrepancies between the design-phase model and the actual…

Sound · Computer Science 2021-04-20 Wenjie Luo , Zhenyu Yan , Qun Song , Rui Tan

In this work, we examine methods for data augmentation for text-based tasks such as neural machine translation (NMT). We formulate the design of a data augmentation policy with desirable properties as an optimization problem, and derive a…

Computation and Language · Computer Science 2018-08-29 Xinyi Wang , Hieu Pham , Zihang Dai , Graham Neubig

We present EDA: easy data augmentation techniques for boosting performance on text classification tasks. EDA consists of four simple but powerful operations: synonym replacement, random insertion, random swap, and random deletion. On five…

Computation and Language · Computer Science 2019-08-27 Jason Wei , Kai Zou

Augmenting training datasets has been shown to improve the learning effectiveness for several computer vision tasks. A good augmentation produces an augmented dataset that adds variability while retaining the statistical properties of the…

Computer Vision and Pattern Recognition · Computer Science 2020-04-01 Tom Ching LingChen , Ava Khonsari , Amirreza Lashkari , Mina Rafi Nazari , Jaspreet Singh Sambee , Mario A. Nascimento

Despite recent significant advancements in Handwritten Document Recognition (HDR), the efficient and accurate recognition of text against complex backgrounds, diverse handwriting styles, and varying document layouts remains a practical…

Computer Vision and Pattern Recognition · Computer Science 2025-01-23 Wenhao Gu , Li Gu , Ziqiang Wang , Ching Yee Suen , Yang Wang

QA models based on pretrained language mod-els have achieved remarkable performance on various benchmark datasets.However, QA models do not generalize well to unseen data that falls outside the training distribution, due to distributional…

Computation and Language · Computer Science 2021-06-25 Seanie Lee , Minki Kang , Juho Lee , Sung Ju Hwang

Training a classification model on a dataset where the instances of one class outnumber those of the other class is a challenging problem. Such imbalanced datasets are standard in real-world situations such as fraud detection, medical…

Machine Learning · Computer Science 2020-09-04 Anubha Kabra , Ayush Chopra , Nikaash Puri , Pinkesh Badjatiya , Sukriti Verma , Piyush Gupta , Balaji K

Successful Artificial Intelligence systems often require numerous labeled data to extract information from document images. In this paper, we investigate the problem of improving the performance of Artificial Intelligence systems in…

Information Retrieval · Computer Science 2022-09-27 Bao-Sinh Nguyen , Dung Tien Le , Hieu M. Vu , Tuan Anh D. Nguyen , Minh-Tien Nguyen , Hung Le

Neural sequence-to-sequence systems deliver state-of-the-art performance for automatic speech recognition. When using appropriate modeling units, e.g., byte-pair encoding, these systems are in principle open vocabulary systems. In practice,…

Computation and Language · Computer Science 2026-03-05 Christian Huber , Alexander Waibel

For many new application domains for data-to-text generation, the main obstacle in training neural models consists of a lack of training data. While usually large numbers of instances are available on the data side, often only very few text…

Computation and Language · Computer Science 2021-02-09 Ernie Chang , Xiaoyu Shen , Dawei Zhu , Vera Demberg , Hui Su

Recent advancements in text-to-image diffusion models have shown remarkable creative capabilities with textual prompts, but generating personalized instances based on specific subjects, known as subject-driven generation, remains…

Computer Vision and Pattern Recognition · Computer Science 2024-10-11 Shanyan Guan , Yanhao Ge , Ying Tai , Jian Yang , Wei Li , Mingyu You

Deep neural networks have become popular in many supervised learning tasks, but they may suffer from overfitting when the training dataset is limited. To mitigate this, many researchers use data augmentation, which is a widely used and…

Machine Learning · Computer Science 2022-05-27 Jianhan Wu , Shijing Si , Jianzong Wang , Jing Xiao

Grounding-based vision and language models have been successfully applied to low-level vision tasks, aiming to precisely locate objects referred in captions. The effectiveness of grounding representation learning heavily relies on the scale…

Computer Vision and Pattern Recognition · Computer Science 2023-11-07 Jingru Yi , Burak Uzkent , Oana Ignat , Zili Li , Amanmeet Garg , Xiang Yu , Linda Liu

The emergence of Large Language Models (LLMs) has significantly advanced natural language processing, but these models often generate factually incorrect information, known as "hallucination". Initial retrieval-augmented generation (RAG)…

Computation and Language · Computer Science 2024-11-12 Yujia Zhou , Zheng Liu , Zhicheng Dou
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