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A common method to study deep learning systems is to use simplified model representations--for example, using singular value decomposition to visualize the model's hidden states in a lower dimensional space. This approach assumes that the…

Machine Learning · Computer Science 2024-06-06 Dan Friedman , Andrew Lampinen , Lucas Dixon , Danqi Chen , Asma Ghandeharioun

Advances in speech synthesis technologies, like text-to-speech (TTS) and voice conversion (VC), have made detecting deepfake speech increasingly challenging. Spoofing countermeasures often struggle to generalize effectively, particularly…

Audio and Speech Processing · Electrical Eng. & Systems 2025-01-27 Wen Huang , Yanmei Gu , Zhiming Wang , Huijia Zhu , Yanmin Qian

Speech distortions are a long-standing problem that degrades the performance of supervisely trained speech processing models. It is high time that we enhance the robustness of speech processing models to obtain good performance when…

Sound · Computer Science 2022-07-26 Kuan Po Huang , Yu-Kuan Fu , Yu Zhang , Hung-yi Lee

Robust generalization aims to tackle the most challenging data distributions which are rare in the training set and contain severe noises, i.e., photon-limited corruptions. Common solutions such as distributionally robust optimization (DRO)…

Computer Vision and Pattern Recognition · Computer Science 2023-03-24 Zhuo Huang , Miaoxi Zhu , Xiaobo Xia , Li Shen , Jun Yu , Chen Gong , Bo Han , Bo Du , Tongliang Liu

Normalization methods play an important role in enhancing the performance of deep learning while their theoretical understandings have been limited. To theoretically elucidate the effectiveness of normalization, we quantify the geometry of…

Machine Learning · Statistics 2019-10-29 Ryo Karakida , Shotaro Akaho , Shun-ichi Amari

We analyze the landscape and training dynamics of diagonal linear networks in a linear regression task, with the network parameters being perturbed by small isotropic normal noise. The addition of such noise may be interpreted as a…

Machine Learning · Computer Science 2025-03-18 Gabriel Clara , Sophie Langer , Johannes Schmidt-Hieber

In this paper, we study the sharpness of a deep learning (DL) loss landscape around local minima in order to reveal systematic mechanisms underlying the generalization abilities of DL models. Our analysis is performed across varying network…

Machine Learning · Computer Science 2022-02-07 Devansh Bisla , Jing Wang , Anna Choromanska

Deep sequence recognition (DSR) models receive increasing attention due to their superior application to various applications. Most DSR models use merely the target sequences as supervision without considering other related sequences,…

Computer Vision and Pattern Recognition · Computer Science 2023-06-01 Zhenghua Peng , Yu Luo , Tianshui Chen , Keke Xu , Shuangping Huang

Sharpness-aware Minimization (SAM) has been proposed recently to improve model generalization ability. However, SAM calculates the gradient twice in each optimization step, thereby doubling the computation costs compared to stochastic…

Computer Vision and Pattern Recognition · Computer Science 2024-03-15 Jiaxin Deng , Junbiao Pang , Baochang Zhang , Tian Wang

How to train deep neural networks (DNNs) to generalize well is a central concern in deep learning, especially for severely overparameterized networks nowadays. In this paper, we propose an effective method to improve the model…

Machine Learning · Computer Science 2022-06-28 Yang Zhao , Hao Zhang , Xiuyuan Hu

Domain generalization(DG) endeavors to develop robust models that possess strong generalizability while preserving excellent discriminability. Nonetheless, pivotal DG techniques tend to improve the feature generalizability by learning…

Computer Vision and Pattern Recognition · Computer Science 2024-07-30 Shaocong Long , Qianyu Zhou , Chenhao Ying , Lizhuang Ma , Yuan Luo

This work studies the generalization issue of face anti-spoofing (FAS) models on domain gaps, such as image resolution, blurriness and sensor variations. Most prior works regard domain-specific signals as a negative impact, and apply metric…

Computer Vision and Pattern Recognition · Computer Science 2023-03-27 Yiyou Sun , Yaojie Liu , Xiaoming Liu , Yixuan Li , Wen-Sheng Chu

Interpretation of the underlying mechanisms of Deep Convolutional Neural Networks has become an important aspect of research in the field of deep learning due to their applications in high-risk environments. To explain these black-box…

Computer Vision and Pattern Recognition · Computer Science 2020-11-13 Haofan Wang , Rakshit Naidu , Joy Michael , Soumya Snigdha Kundu

Quantization is a promising approach for reducing memory overhead and accelerating inference, especially in large pre-trained language model (PLM) scenarios. While having no access to original training data due to security and privacy…

Computation and Language · Computer Science 2023-10-23 Miaoxi Zhu , Qihuang Zhong , Li Shen , Liang Ding , Juhua Liu , Bo Du , Dacheng Tao

The increasing realism and accessibility of deepfakes have raised critical concerns about media authenticity and information integrity. Despite recent advances, deepfake detection models often struggle to generalize beyond their training…

Computer Vision and Pattern Recognition · Computer Science 2025-11-11 Stelios Mylonas , Symeon Papadopoulos

In multimodal learning, dominant modalities often overshadow others, limiting generalization. We propose Modality-Aware Sharpness-Aware Minimization (M-SAM), a model-agnostic framework that applies to many modalities and supports early and…

Computer Vision and Pattern Recognition · Computer Science 2025-10-30 Hossein R. Nowdeh , Jie Ji , Xiaolong Ma , Fatemeh Afghah

Often when multiple labels are obtained for a training example it is assumed that there is an element of noise that must be accounted for. It has been shown that this disagreement can be considered signal instead of noise. In this work we…

Computation and Language · Computer Science 2019-01-28 John P. Lalor , Hao Wu , Hong Yu

Sharpness-aware minimization (SAM) is to improve model generalization by searching for flat minima in the loss landscape. The SAM update consists of one step for computing the perturbation and the other for computing the update gradient.…

Machine Learning · Computer Science 2024-08-16 Xuehao Wang , Weisen Jiang , Shuai Fu , Yu Zhang

As a technique to alleviate the pressure of data annotation, semi-supervised learning (SSL) has attracted widespread attention. In the specific domain of medical image segmentation, semi-supervised methods (SSMIS) have become a research…

Computer Vision and Pattern Recognition · Computer Science 2024-11-20 Bingli Wang , Houcheng Su , Nan Yin , Mengzhu Wang , Li Shen

Sharpness-aware Minimization (SAM) improves generalization in large-scale model training by linking loss landscape geometry to generalization. However, challenges such as mislabeled noisy data and privacy concerns have emerged as…

Machine Learning · Computer Science 2025-07-08 Chenyang Ren , Yifan Jia , Huanyi Xie , Zhaobin Xu , Tianxing Wei , Liangyu Wang , Lijie Hu , Di Wang