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Synthetically augmenting training datasets with diffusion models has become an effective strategy for improving the generalization of image classifiers. However, existing approaches typically increase dataset size by 10-30x and struggle to…

Computer Vision and Pattern Recognition · Computer Science 2026-03-05 Dang Nguyen , Jiping Li , Jinghao Zheng , Baharan Mirzasoleiman

Improving model's generalizability against domain shifts is crucial, especially for safety-critical applications such as autonomous driving. Real-world domain styles can vary substantially due to environment changes and sensor noises, but…

Computer Vision and Pattern Recognition · Computer Science 2022-11-10 Qi Fan , Mattia Segu , Yu-Wing Tai , Fisher Yu , Chi-Keung Tang , Bernt Schiele , Dengxin Dai

Generalization of models to out-of-distribution (OOD) data has captured tremendous attention recently. Specifically, compositional generalization, i.e., whether a model generalizes to new structures built of components observed during…

Computation and Language · Computer Science 2020-10-13 Inbar Oren , Jonathan Herzig , Nitish Gupta , Matt Gardner , Jonathan Berant

Transformers have achieved remarkable success in a wide range of natural language processing and computer vision applications. However, the representation capacity of a deep transformer model is degraded due to the over-smoothing issue in…

Computation and Language · Computer Science 2023-12-04 Tam Nguyen , Tan M. Nguyen , Richard G. Baraniuk

Systematic, compositional generalization beyond the training distribution remains a core challenge in machine learning -- and a critical bottleneck for the emergent reasoning abilities of modern language models. This work investigates…

Machine Learning · Computer Science 2025-10-17 Awni Altabaa , Siyu Chen , John Lafferty , Zhuoran Yang

While using two-dimensional convolutional neural networks (2D-CNNs) in image processing, it is possible to manipulate domain information using channel statistics, and instance normalization has been a promising way to get domain-invariant…

Sound · Computer Science 2022-06-28 Byeonggeun Kim , Seunghan Yang , Jangho Kim , Hyunsin Park , Juntae Lee , Simyung Chang

Spotforming is a target-speaker extraction technique that uses multiple microphone arrays. This method applies beamforming (BF) to each microphone array, and the common components among the BF outputs are estimated as the target source.…

Sound · Computer Science 2024-07-15 Shoma Ayano , Li Li , Shogo Seki , Daichi Kitamura

Developing Text Normalization (TN) systems for Text-to-Speech (TTS) on new languages is hard. We propose a novel architecture to facilitate it for multiple languages while using data less than 3% of the size of the data used by the state of…

Computation and Language · Computer Science 2021-04-19 Shubhi Tyagi , Antonio Bonafonte , Jaime Lorenzo-Trueba , Javier Latorre

Graph Out-of-Distribution (OOD) classification often suffers from sharp performance drops, particularly under category imbalance and structural noise. This work tackles two pressing challenges in this context: (1) the underperformance of…

Machine Learning · Computer Science 2025-06-25 Yang Zhou , Xiaoning Ren

Generalisation -- the ability of a model to perform well on unseen data -- is crucial for building reliable deepfake detectors. However, recent studies have shown that the current audio deepfake models fall short of this desideratum. In…

Audio and Speech Processing · Electrical Eng. & Systems 2024-06-14 Octavian Pascu , Adriana Stan , Dan Oneata , Elisabeta Oneata , Horia Cucu

With the availability of large pre-trained models, a modern workflow for building real-world machine learning solutions is to fine-tune such models on a downstream task with a relatively small domain-specific dataset. In such applications,…

Machine Learning · Computer Science 2024-05-28 Lu Tan , Huei Zhou , Yinxiang Huang , Zeming Zheng , Yujiu Yang

Standard deep learning models such as convolutional neural networks (CNNs) lack the ability of generalizing to domains which have not been seen during training. This problem is mainly due to the common but often wrong assumption of such…

Computer Vision and Pattern Recognition · Computer Science 2024-03-19 Mehrdad Noori , Milad Cheraghalikhani , Ali Bahri , Gustavo A. Vargas Hakim , David Osowiechi , Ismail Ben Ayed , Christian Desrosiers

Test-Time Adaptation (TTA) aims to mitigate distributional shifts between training and test domains during inference time. However, existing TTA methods fall short in the realistic scenario where models face both continually changing…

Computer Vision and Pattern Recognition · Computer Science 2026-04-24 Yingkai Yang , Chaoqi Chen , Hui Huang

Large-scale pre-trained audio and image models demonstrate an unprecedented degree of generalization, making them suitable for a wide range of applications. Here, we tackle the specific task of sound-prompted segmentation, aiming to segment…

Audio and Speech Processing · Electrical Eng. & Systems 2025-05-27 Hugo Malard , Michel Olvera , Stephane Lathuiliere , Slim Essid

Time-frequency (TF) domain dual-path models achieve high-fidelity speech separation. While some previous state-of-the-art (SoTA) models rely on RNNs, this reliance means they lack the parallelizability, scalability, and versatility of…

Audio and Speech Processing · Electrical Eng. & Systems 2024-08-08 Kohei Saijo , Gordon Wichern , François G. Germain , Zexu Pan , Jonathan Le Roux

A machine learning model that generalizes well should obtain low errors on unseen test examples. Thus, if we know how to optimally perturb training examples to account for test examples, we may achieve better generalization performance.…

Machine Learning · Computer Science 2022-02-15 Hae Beom Lee , Taewook Nam , Eunho Yang , Sung Ju Hwang

We propose a novel methodology for forecasting spatio-temporal data using supervised semi-nonnegative matrix factorization (SSNMF) with frequency regularization. Matrix factorization is employed to decompose spatio-temporal data into…

Machine Learning · Statistics 2024-06-21 Keunsu Kim , Hanbaek Lyu , Jinsu Kim , Jae-Hun Jung

Although pretrained Transformers such as BERT achieve high accuracy on in-distribution examples, do they generalize to new distributions? We systematically measure out-of-distribution (OOD) generalization for seven NLP datasets by…

Computation and Language · Computer Science 2020-04-17 Dan Hendrycks , Xiaoyuan Liu , Eric Wallace , Adam Dziedzic , Rishabh Krishnan , Dawn Song

Distributed optimization is fundamental to modern machine learning applications like federated learning, but existing methods often struggle with ill-conditioned problems and face stability-versus-speed tradeoffs. We introduce fractional…

Machine Learning · Computer Science 2024-12-04 Andrei Lixandru , Marcel van Gerven , Sergio Pequito

Neural networks are notorious for being overconfident predictors, posing a significant challenge to their safe deployment in real-world applications. While feature normalization has garnered considerable attention within the deep learning…

Computer Vision and Pattern Recognition · Computer Science 2023-06-09 Sudarshan Regmi , Bibek Panthi , Sakar Dotel , Prashnna K. Gyawali , Danail Stoyanov , Binod Bhattarai