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Dataset distillation creates a small distilled set that enables efficient training by capturing key information from the full dataset. While existing dataset distillation methods perform well on balanced datasets, they struggle under…

计算机视觉与模式识别 · 计算机科学 2025-12-16 Xiao Cui , Yulei Qin , Xinyue Li , Wengang Zhou , Hongsheng Li , Houqiang Li

Augmenting large language models (LLMs) with external tools is a promising approach to enhance their capabilities, especially for complex tasks. Synthesizing tool-use data through real-world simulations is an effective way to achieve this.…

计算与语言 · 计算机科学 2025-11-10 Yirong Zeng , Xiao Ding , Yuxian Wang , Weiwen Liu , Wu Ning , Yutai Hou , Xu Huang , Duyu Tang , Dandan Tu , Bing Qin , Ting Liu

The fact that image datasets are often imbalanced poses an intense challenge for deep learning techniques. In this paper, we propose a method to restore the balance in imbalanced images, by coalescing two concurrent methods, generative…

机器学习 · 计算机科学 2020-04-09 Pourya Shamsolmoali , Masoumeh Zareapoor , Linlin Shen , Abdul Hamid Sadka , Jie Yang

The detection of cyber-attacks in computer networks is a crucial and ongoing research challenge. Machine learning-based attack classification offers a promising solution, as these models can be continuously updated with new data, enhancing…

密码学与安全 · 计算机科学 2024-08-30 Maximilian Wolf , Dieter Landes , Andreas Hotho , Daniel Schlör

The real-world data distribution is essentially long-tailed, which poses great challenge to the deep model. In this work, we propose a new method, Gradual Balanced Loss and Adaptive Feature Generator (GLAG) to alleviate imbalance. GLAG…

计算机视觉与模式识别 · 计算机科学 2022-03-02 Zihan Zhang , Xiang Xiang

Simulation is increasingly being used for generating large labelled datasets in many machine learning problems. Recent methods have focused on adjusting simulator parameters with the goal of maximising accuracy on a validation task, usually…

计算机视觉与模式识别 · 计算机科学 2020-08-20 Harkirat Singh Behl , Atılım Güneş Baydin , Ran Gal , Philip H. S. Torr , Vibhav Vineet

Given the increasing complexity of omics datasets, a key challenge is not only improving classification performance but also enhancing the transparency and reliability of model decisions. Effective model performance and feature selection…

As the demand for high-quality training data escalates, researchers have increasingly turned to generative models to create synthetic data, addressing data scarcity and enabling continuous model improvement. However, reliance on…

计算机视觉与模式识别 · 计算机科学 2024-10-15 Zeliang Zhang , Xin Liang , Mingqian Feng , Susan Liang , Chenliang Xu

Class imbalance can often degrade predictive performance of supervised learning algorithms. Balanced classes can be obtained by oversampling exact copies, with noise, or interpolation between nearest neighbours (as in traditional SMOTE…

机器学习 · 计算机科学 2022-01-17 Emily Muller , Xu Zheng , Jer Hayes

With recent advances in speech synthesis, synthetic data is becoming a viable alternative to real data for training speech recognition models. However, machine learning with synthetic data is not trivial due to the gap between the synthetic…

音频与语音处理 · 电气工程与系统科学 2021-10-25 Ting-Yao Hu , Mohammadreza Armandpour , Ashish Shrivastava , Jen-Hao Rick Chang , Hema Koppula , Oncel Tuzel

State-of-the-art techniques of artificial intelligence, in particular deep learning, are mostly data-driven. However, collecting and manually labeling a large scale dataset is both difficult and expensive. A promising alternative is to…

计算机视觉与模式识别 · 计算机科学 2018-07-31 Qi Chen , Weichao Qiu , Yi Zhang , Lingxi Xie , Alan Yuille

Nowadays, data augmentation through synthetic data has been widely used in the field of Grammatical Error Correction (GEC) to alleviate the problem of data scarcity. However, these synthetic data are mainly used in the pre-training phase…

计算与语言 · 计算机科学 2024-06-26 Yixuan Wang , Baoxin Wang , Yijun Liu , Qingfu Zhu , Dayong Wu , Wanxiang Che

Adequate sampling space coverage is the keystone to effectively train trustworthy Machine Learning models. Unfortunately, real data do carry several inherent risks due to the many potential biases they exhibit when gathered without a proper…

机器学习 · 计算机科学 2025-03-27 Antonio Maratea , Rita Perna

Annotating images with pixel-wise labels is a time-consuming and costly process. Recently, DatasetGAN showcased a promising alternative - to synthesize a large labeled dataset via a generative adversarial network (GAN) by exploiting a small…

计算机视觉与模式识别 · 计算机科学 2022-01-14 Daiqing Li , Huan Ling , Seung Wook Kim , Karsten Kreis , Adela Barriuso , Sanja Fidler , Antonio Torralba

Models trained on synthetic images often face degraded generalization to real data. As a convention, these models are often initialized with ImageNet pre-trained representation. Yet the role of ImageNet knowledge is seldom discussed despite…

机器学习 · 计算机科学 2020-07-15 Wuyang Chen , Zhiding Yu , Zhangyang Wang , Anima Anandkumar

The amount of training data that is required to train a classifier scales with the dimensionality of the feature data. In hyperspectral remote sensing, feature data can potentially become very high dimensional. However, the amount of…

计算机视觉与模式识别 · 计算机科学 2018-07-04 AmirAbbas Davari , Erchan Aptoula , Berrin Yanikoglu , Andreas Maier , Christian Riess

In practice, machine learning experts are often confronted with imbalanced data. Without accounting for the imbalance, common classifiers perform poorly and standard evaluation metrics mislead the practitioners on the model's performance. A…

机器学习 · 计算机科学 2020-07-21 Ramiro Camino , Christian Hammerschmidt , Radu State

When developing new large language models (LLMs), a key step is evaluating their final performance, often by computing the win-rate against a reference model based on external feedback. Human feedback is the gold standard, particularly for…

机器学习 · 计算机科学 2025-02-26 Zhaoyi Zhou , Yuda Song , Andrea Zanette

Evaluating the performance of machine learning models on diverse and underrepresented subgroups is essential for ensuring fairness and reliability in real-world applications. However, accurately assessing model performance becomes…

机器学习 · 计算机科学 2023-10-26 Boris van Breugel , Nabeel Seedat , Fergus Imrie , Mihaela van der Schaar

Current text-to-image generative models struggle to accurately represent object states (e.g., "a table without a bottle," "an empty tumbler"). In this work, we first design a fully-automatic pipeline to generate high-quality synthetic data…

计算机视觉与模式识别 · 计算机科学 2025-05-06 Tianle Chen , Chaitanya Chakka , Deepti Ghadiyaram