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The pre-trained multi-lingual XLSR model generalizes well for language identification after fine-tuning on unseen languages. However, the performance significantly degrades when the languages are not very distinct from each other, for…

Machine Learning · Computer Science 2023-02-17 Shangeth Rajaa , Kriti Anandan , Swaraj Dalmia , Tarun Gupta , Eng Siong Chng

Data augmentation is an essential technique for improving recognition accuracy in object recognition using deep learning. Methods that generate mixed data from multiple data sets, such as mixup, can acquire new diversity that is not…

Computer Vision and Pattern Recognition · Computer Science 2022-09-13 Shungo Fujii , Yasunori Ishii , Kazuki Kozuka , Tsubasa Hirakawa , Takayoshi Yamashita , Hironobu Fujiyoshi

Multi-modal approaches employ data from multiple input streams such as textual and visual domains. Deep neural networks have been successfully employed for these approaches. In this paper, we present a novel multi-modal approach that fuses…

Computer Vision and Pattern Recognition · Computer Science 2018-10-05 Ignazio Gallo , Alessandro Calefati , Shah Nawaz , Muhammad Kamran Janjua

In many machine learning applications, it is important for the model to provide confidence scores that accurately capture its prediction uncertainty. Although modern learning methods have achieved great success in predictive accuracy,…

Machine Learning · Computer Science 2022-07-12 Linjun Zhang , Zhun Deng , Kenji Kawaguchi , James Zou

We develop a novel data-driven nonlinear mixup mechanism for graph data augmentation and present different mixup functions for sample pairs and their labels. Mixup is a data augmentation method to create new training data by linearly…

Machine Learning · Computer Science 2022-10-31 Madeline Navarro , Santiago Segarra

Data augmentation is a necessity to enhance data efficiency in deep learning. For vision-language pre-training, data is only augmented either for images or for text in previous works. In this paper, we present MixGen: a joint data…

Computer Vision and Pattern Recognition · Computer Science 2023-01-11 Xiaoshuai Hao , Yi Zhu , Srikar Appalaraju , Aston Zhang , Wanqian Zhang , Bo Li , Mu Li

How to learn a better speech representation for end-to-end speech-to-text translation (ST) with limited labeled data? Existing techniques often attempt to transfer powerful machine translation (MT) capabilities to ST, but neglect the…

Computation and Language · Computer Science 2022-03-22 Qingkai Fang , Rong Ye , Lei Li , Yang Feng , Mingxuan Wang

This paper proposes a simple yet effective interpolation-based data augmentation approach termed DoubleMix, to improve the robustness of models in text classification. DoubleMix first leverages a couple of simple augmentation operations to…

Computation and Language · Computer Science 2022-09-13 Hui Chen , Wei Han , Diyi Yang , Soujanya Poria

The Mixup method has proven to be a powerful data augmentation technique in Computer Vision, with many successors that perform image mixing in a guided manner. One of the interesting research directions is transferring the underlying Mixup…

Computation and Language · Computer Science 2023-09-21 Dominik Lewy , Jacek Mańdziuk

We introduce Noisy Feature Mixup (NFM), an inexpensive yet effective method for data augmentation that combines the best of interpolation based training and noise injection schemes. Rather than training with convex combinations of pairs of…

Machine Learning · Computer Science 2023-05-23 Soon Hoe Lim , N. Benjamin Erichson , Francisco Utrera , Winnie Xu , Michael W. Mahoney

In this paper, we introduce Handwritten augmentation, a new data augmentation for handwritten character images. This method focuses on augmenting handwritten image data by altering the shape of input characters in training. The proposed…

Computer Vision and Pattern Recognition · Computer Science 2023-08-29 Mahendran N

As of recent generative adversarial networks have allowed for big leaps in the realism of generated images in diverse domains, not the least of which being handwritten text generation. The generation of realistic-looking hand-written text…

Computer Vision and Pattern Recognition · Computer Science 2021-09-16 Alexander Mattick , Martin Mayr , Mathias Seuret , Andreas Maier , Vincent Christlein

Long-tailed image recognition is a computer vision problem considering a real-world class distribution rather than an artificial uniform. Existing methods typically detour the problem by i) adjusting a loss function, ii) decoupling…

Computer Vision and Pattern Recognition · Computer Science 2025-03-06 Youngseok Yoon , Sangwoo Hong , Hyungjun Joo , Yao Qin , Haewon Jeong , Jungwoo Lee

An all-too-present bottleneck for text classification model development is the need to annotate training data and this need is multiplied for multilingual classifiers. Fortunately, contemporary machine translation models are both easily…

Computation and Language · Computer Science 2024-05-10 Adam King

Data augmentation plays a crucial role in enhancing the robustness and performance of machine learning models across various domains. In this study, we introduce a novel mixed-sample data augmentation method called RandoMix. RandoMix is…

Computer Vision and Pattern Recognition · Computer Science 2023-12-01 Xiaoliang Liu , Furao Shen , Jian Zhao , Changhai Nie

Mixup is an effective data augmentation method that generates new augmented samples by aggregating linear combinations of different original samples. However, if there are noises or aberrant features in the original samples, Mixup may…

Machine Learning · Computer Science 2024-05-09 Leixin Yang , Yu Xiang

We study the effect of different approaches to text augmentation. To do this we use 3 datasets that include social media and formal text in the form of news articles. Our goal is to provide insights for practitioners and researchers on…

Computation and Language · Computer Science 2020-12-11 Vukosi Marivate , Tshephisho Sefara

Recognition and retrieval of textual content from the large document collections have been a powerful use case for the document image analysis community. Often the word is the basic unit for recognition as well as retrieval. Systems that…

Computer Vision and Pattern Recognition · Computer Science 2022-07-25 Siddhant Bansal , Praveen Krishnan , C. V. Jawahar

Deep neural networks excel at learning the training data, but often provide incorrect and confident predictions when evaluated on slightly different test examples. This includes distribution shifts, outliers, and adversarial examples. To…

Automatic Facial Expression Recognition (FER) has attracted increasing attention in the last 20 years since facial expressions play a central role in human communication. Most FER methodologies utilize Deep Neural Networks (DNNs) that are…

Computer Vision and Pattern Recognition · Computer Science 2022-05-10 Andreas Psaroudakis , Dimitrios Kollias