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We propose a novel algorithm for data augmentation in nonlinear over-parametrized regression. Our data augmentation algorithm borrows from the literature on causality and extends the recently proposed Anchor regression (AR) method for data…

Machine Learning · Computer Science 2023-11-29 Nora Schneider , Shirin Goshtasbpour , Fernando Perez-Cruz

We present an empirical evaluation of fMRI data augmentation via synthesis. For synthesis we use generative mod-els trained on real neuroimaging data to produce novel task-dependent functional brain images. Analyzed generative mod-els…

Computer Vision and Pattern Recognition · Computer Science 2019-07-16 Peiye Zhuang , Alexander G. Schwing , Sanmi Koyejo

In the realm of visual recognition, data augmentation stands out as a pivotal technique to amplify model robustness. Yet, a considerable number of existing methodologies lean heavily on heuristic foundations, rendering their intrinsic…

Computer Vision and Pattern Recognition · Computer Science 2023-11-23 Zhendong Liu , Jie Zhang , Qiangqiang He , Chongjun Wang

Data augmentation is a technique to generate new training data based on existing data. We evaluate the simple and cost-effective method of concatenating the original data examples to build new training instances. Continued training with…

Computation and Language · Computer Science 2023-06-12 Tsz Kin Lam , Shigehiko Schamoni , Stefan Riezler

Q-learning algorithms are appealing for real-world applications due to their data-efficiency, but they are very prone to overfitting and training instabilities when trained from visual observations. Prior work, namely SVEA, finds that…

Machine Learning · Computer Science 2024-07-17 Abdulaziz Almuzairee , Nicklas Hansen , Henrik I. Christensen

We examine the effect of data augmentation for training of language models for speech recognition. We compare augmentation based on global error statistics with one based on per-word unigram statistics of ASR errors and observe that it is…

Computation and Language · Computer Science 2020-11-13 Karel Beneš , Lukáš Burget

Recognising continuous emotions and action unit (AU) intensities from face videos requires a spatial and temporal understanding of expression dynamics. Existing works primarily rely on 2D face appearances to extract such dynamics. This work…

Computer Vision and Pattern Recognition · Computer Science 2023-05-30 Mani Kumar Tellamekala , Ömer Sümer , Björn W. Schuller , Elisabeth André , Timo Giesbrecht , Michel Valstar

Template-free animatable head avatars can achieve high visual fidelity by learning expression-dependent facial deformation directly from a subject's capture, avoiding parametric face templates and hand-designed blendshape spaces. However,…

Computer Vision and Pattern Recognition · Computer Science 2026-03-10 Matan Levy , Gavriel Habib , Issar Tzachor , Dvir Samuel , Rami Ben-Ari , Nir Darshan , Or Litany , Dani Lischinski

3D human pose estimation (HPE) in autonomous vehicles (AV) differs from other use cases in many factors, including the 3D resolution and range of data, absence of dense depth maps, failure modes for LiDAR, relative location between the…

Computer Vision and Pattern Recognition · Computer Science 2021-12-23 Jingxiao Zheng , Xinwei Shi , Alexander Gorban , Junhua Mao , Yang Song , Charles R. Qi , Ting Liu , Visesh Chari , Andre Cornman , Yin Zhou , Congcong Li , Dragomir Anguelov

Data augmentation is a key element of deep learning pipelines, as it informs the network during training about transformations of the input data that keep the label unchanged. Manually finding adequate augmentation methods and parameters…

Machine Learning · Computer Science 2022-02-09 Cédric Rommel , Thomas Moreau , Joseph Paillard , Alexandre Gramfort

The real-time segmentation of drivable areas plays a vital role in accomplishing autonomous perception in cars. Recently there have been some rapid strides in the development of image segmentation models using deep learning. However, most…

Computer Vision and Pattern Recognition · Computer Science 2023-05-05 Srinjoy Bhuiya , Ayushman Kumar , Sankalok Sen

The performance of learning models heavily relies on the availability and adequacy of training data. To address the dataset adequacy issue, researchers have extensively explored data augmentation (DA) as a promising approach. DA generates…

Computation and Language · Computer Science 2023-08-22 Dania Refai , Saleh Abo-Soud , Mohammad Abdel-Rahman

Data augmentation (DA) can significantly strengthen the electroencephalogram (EEG)-based seizure prediction methods. However, existing DA approaches are just the linear transformations of original data and cannot explore the feature space…

Signal Processing · Electrical Eng. & Systems 2024-12-10 Kai Shu , Le Wu , Yuchang Zhao , Aiping Liu , Ruobing Qian , Xun Chen

The importance of modeling speech articulation for high-quality audiovisual (AV) speech synthesis is widely acknowledged. Nevertheless, while state-of-the-art, data-driven approaches to facial animation can make use of sophisticated motion…

Human-Computer Interaction · Computer Science 2012-09-25 Ingmar Steiner , Korin Richmond , Slim Ouni

Data Augmentation (DA) -- generating extra training samples beyond original training set -- has been widely-used in today's unbiased VQA models to mitigate the language biases. Current mainstream DA strategies are synthetic-based methods,…

Computer Vision and Pattern Recognition · Computer Science 2022-09-16 Long Chen , Yuhang Zheng , Jun Xiao

Autonomous robot manipulation is a complex and continuously evolving robotics field. This paper focuses on data augmentation methods in imitation learning. Imitation learning consists of three stages: data collection from experts, learning…

Robotics · Computer Science 2024-10-08 Masato Kobayashi , Thanpimon Buamanee , Yuki Uranishi

Aspect-based sentiment analysis (ABSA) is a crucial fine-grained task in social media scenarios to identify the sentiment polarity of specific aspect terms in a sentence. Although many existing studies leverage large language models (LLMs)…

Computation and Language · Computer Science 2025-07-15 Junjie Liu , Yuanhe Tian , Yan Song

Emotion detection presents challenges to intelligent human-robot interaction (HRI). Foundational deep learning techniques used in emotion detection are limited by information-constrained datasets or models that lack the necessary complexity…

Computer Vision and Pattern Recognition · Computer Science 2023-12-19 David C. Jeong , Tianma Shen , Hongji Liu , Raghav Kapoor , Casey Nguyen , Song Liu , Christopher A. Kitts

Data augmentation is vital to the generalization ability and robustness of deep neural networks (DNNs) models. Existing augmentation methods for speaker verification manipulate the raw signal, which are time-consuming and the augmented…

Audio and Speech Processing · Electrical Eng. & Systems 2023-10-19 Yuanyuan Wang , Yang Zhang , Zhiyong Wu , Zhihan Yang , Tao Wei , Kun Zou , Helen Meng

In Speech Emotion Recognition (SER), emotional characteristics often appear in diverse forms of energy patterns in spectrograms. Typical attention neural network classifiers of SER are usually optimized on a fixed attention granularity. In…

Sound · Computer Science 2021-02-04 Mingke Xu , Fan Zhang , Xiaodong Cui , Wei Zhang