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相关论文: Feature Incay for Representation Regularization

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Despite significant advances in clustering methods in recent years, the outcome of clustering of a natural image dataset is still unsatisfactory due to two important drawbacks. Firstly, clustering of images needs a good feature…

计算机视觉与模式识别 · 计算机科学 2019-01-23 Dipanjan Das , Ratul Ghosh , Brojeshwar Bhowmick

Neural image classification models typically consist of two components. The first is an image encoder, which is responsible for encoding a given raw image into a representative vector. The second is the classification component, which is…

机器学习 · 计算机科学 2020-12-01 Gabi Shalev , Gal-Lev Shalev , Joseph Keshet

Statistical characteristics of deep network representations, such as sparsity and correlation, are known to be relevant to the performance and interpretability of deep learning. When a statistical characteristic is desired, often an…

机器学习 · 计算机科学 2019-03-04 Daeyoung Choi , Wonjong Rhee

An effective technique for obtaining high-quality representations is adding a projection head on top of the encoder during training, then discarding it and using the pre-projection representations. Despite its proven practical…

机器学习 · 计算机科学 2024-03-19 Yihao Xue , Eric Gan , Jiayi Ni , Siddharth Joshi , Baharan Mirzasoleiman

Modern image retrieval methods typically rely on fine-tuning pre-trained encoders to extract image-level descriptors. However, the most widely used models are pre-trained on ImageNet-1K with limited classes. The pre-trained feature…

计算机视觉与模式识别 · 计算机科学 2023-04-13 Xiang An , Jiankang Deng , Kaicheng Yang , Jaiwei Li , Ziyong Feng , Jia Guo , Jing Yang , Tongliang Liu

In this paper, we address the problem of feature selection in the context of multi-label learning, by using a new estimator based on implicit regularization and label embedding. Unlike the sparse feature selection methods that use a…

机器学习 · 计算机科学 2024-11-19 Dou El Kefel Mansouri , Khalid Benabdeslem , Seif-Eddine Benkabou

Recent works have studied implicit biases in deep learning, especially the behavior of last-layer features and classifier weights. However, they usually need to simplify the intermediate dynamics under gradient flow or gradient descent due…

机器学习 · 计算机科学 2023-12-14 Xiong Zhou , Xianming Liu , Hanzhang Wang , Deming Zhai , Junjun Jiang , Xiangyang Ji

The cross-entropy loss commonly used in deep learning is closely related to the defining properties of optimal representations, but does not enforce some of the key properties. We show that this can be solved by adding a regularization…

机器学习 · 统计学 2017-02-14 Alessandro Achille , Stefano Soatto

Data augmentation is conventionally used to inject robustness in Speaker Verification systems. Several recently organized challenges focus on handling novel acoustic environments. Deep learning based speech enhancement is a modern solution…

音频与语音处理 · 电气工程与系统科学 2020-04-29 Saurabh Kataria , Phani Sankar Nidadavolu , Jesús Villalba , Najim Dehak

Contrary to most machine learning models, modern deep artificial neural networks typically include multiple components that contribute to regularization. Despite the fact that some (explicit) regularization techniques, such as weight decay…

计算机视觉与模式识别 · 计算机科学 2020-11-13 Alex Hernández-García , Peter König

Regularization is a set of techniques that are used to improve the generalization ability of deep neural networks. In this paper, we introduce weight compander (WC), a novel effective method to improve generalization by reparameterizing…

机器学习 · 计算机科学 2023-06-30 Rinor Cakaj , Jens Mehnert , Bin Yang

Implicit Neural Representation (INR) has emerged as an effective method for unsupervised image denoising. However, INR models are typically overparameterized; consequently, these models are prone to overfitting during learning, resulting in…

计算机视觉与模式识别 · 计算机科学 2024-01-04 Zipei Yan , Zhengji Liu , Jizhou Li

Deep predictive models of neuronal activity have recently enabled several new discoveries about the selectivity and invariance of neurons in the visual cortex. These models learn a shared set of nonlinear basis functions, which are linearly…

神经元与认知 · 定量生物学 2024-06-19 Polina Turishcheva , Max Burg , Fabian H. Sinz , Alexander Ecker

In neural networks, the loss function represents the core of the learning process that leads the optimizer to an approximation of the optimal convergence error. Convolutional neural networks (CNN) use the loss function as a supervisory…

计算机视觉与模式识别 · 计算机科学 2020-09-30 Riccardo La Grassa , Ignazio Gallo , Nicola Landro

Deep neural networks have demonstrated high accuracy in image classification tasks. However, they were shown to be weak against adversarial examples: a small perturbation in the image which changes the classification output dramatically. In…

机器学习 · 计算机科学 2018-11-06 David Vigouroux , Sylvain Picard

Adversarial attacks on convolutional neural networks (CNN) have gained significant attention and there have been active research efforts on defense mechanisms. Stochastic input transformation methods have been proposed, where the idea is to…

机器学习 · 计算机科学 2020-01-31 Connie Kou , Hwee Kuan Lee , Ee-Chien Chang , Teck Khim Ng

Improving the classification of multi-class imbalanced data is more difficult than its two-class counterpart. In this paper, we use deep neural networks to train new representations of tabular multi-class data. Unlike the typically…

机器学习 · 计算机科学 2023-12-19 Damian Horna , Lango Mateusz , Jerzy Stefanowski

Deep neural networks frequently suffer from performance degradation when the training data is long-tailed because several majority classes dominate the training, resulting in a biased model. Recent studies have made a great effort in…

计算机视觉与模式识别 · 计算机科学 2023-05-19 Mengke Li , Yiu-ming Cheung , Juyong Jiang

Medical image data are usually imbalanced across different classes. One-class classification has attracted increasing attention to address the data imbalance problem by distinguishing the samples of the minority class from the majority…

图像与视频处理 · 电气工程与系统科学 2022-04-15 Long Gao , Chang Liu , Dooman Arefan , Ashok Panigrahy , Shandong Wu

Neural Collapse (NC) is a geometric structure recently observed at the terminal phase of training deep neural networks, which states that last-layer feature vectors for the same class would "collapse" to a single point, while features of…

机器学习 · 计算机科学 2024-09-06 Leyan Pan , Xinyuan Cao