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相关论文: Frequency Domain-based Dataset Distillation

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Dataset distillation is a newly emerging task that synthesizes a small-size dataset used in training deep neural networks (DNNs) for reducing data storage and model training costs. The synthetic datasets are expected to capture the essence…

计算机视觉与模式识别 · 计算机科学 2023-11-06 Jiawei Du , Qin Shi , Joey Tianyi Zhou

We propose Domain Adaptation via Feature Refinement (DAFR2), a simple yet effective framework for unsupervised domain adaptation under distribution shift. The proposed method synergistically combines three key components: adaptation of…

计算机视觉与模式识别 · 计算机科学 2025-08-25 Savvas Karatsiolis , Andreas Kamilaris

Diffusion models have achieved remarkable success in generating high-resolution, realistic images across diverse natural distributions. However, their performance heavily relies on high-quality training data, making it challenging to learn…

机器学习 · 计算机科学 2025-05-22 Tianyu Chen , Yasi Zhang , Zhendong Wang , Ying Nian Wu , Oscar Leong , Mingyuan Zhou

Adaptation to out-of-distribution data is a meta-challenge for all statistical learning algorithms that strongly rely on the i.i.d. assumption. It leads to unavoidable labor costs and confidence crises in realistic applications. For that,…

计算机视觉与模式识别 · 计算机科学 2022-07-26 Jingye Wang , Ruoyi Du , Dongliang Chang , Kongming Liang , Zhanyu Ma

Dataset distillation, a pragmatic approach in machine learning, aims to create a smaller synthetic dataset from a larger existing dataset. However, existing distillation methods primarily adopt a model-based paradigm, where the synthetic…

机器学习 · 计算机科学 2024-02-21 Binglin Zhou , Linhao Zhong , Wentao Chen

The goal of this paper is to generate realistic audio with a lightweight and fast diffusion-based vocoder, named FreGrad. Our framework consists of the following three key components: (1) We employ discrete wavelet transform that decomposes…

音频与语音处理 · 电气工程与系统科学 2024-01-19 Tan Dat Nguyen , Ji-Hoon Kim , Youngjoon Jang , Jaehun Kim , Joon Son Chung

Signal decomposition and multiscale signal analysis provide many useful tools for time-frequency analysis. We proposed a random feature method for analyzing time-series data by constructing a sparse approximation to the spectrogram. The…

信号处理 · 电气工程与系统科学 2023-03-17 Nicholas Richardson , Hayden Schaeffer , Giang Tran

Recent deep learning models demand larger datasets, driving the need for dataset distillation to create compact, cost-efficient datasets while maintaining performance. Due to the powerful image generation capability of diffusion, it has…

计算机视觉与模式识别 · 计算机科学 2025-05-27 Lin Zhao , Yushu Wu , Xinru Jiang , Jianyang Gu , Yanzhi Wang , Xiaolin Xu , Pu Zhao , Xue Lin

Dataset distillation or condensation refers to compressing a large-scale dataset into a much smaller one, enabling models trained on this synthetic dataset to generalize effectively on real data. Tackling this challenge, as defined, relies…

计算机视觉与模式识别 · 计算机科学 2024-10-11 Ruonan Yu , Songhua Liu , Jingwen Ye , Xinchao Wang

Image-to-image translation has been revolutionized with GAN-based methods. However, existing methods lack the ability to preserve the identity of the source domain. As a result, synthesized images can often over-adapt to the reference…

计算机视觉与模式识别 · 计算机科学 2021-08-06 Mu Cai , Hong Zhang , Huijuan Huang , Qichuan Geng , Yixuan Li , Gao Huang

Dataset distillation is an advanced technique aimed at compressing datasets into significantly smaller counterparts, while preserving formidable training performance. Significant efforts have been devoted to promote evaluation accuracy…

计算机视觉与模式识别 · 计算机科学 2024-10-15 Yifan Wu , Jiawei Du , Ping Liu , Yuewei Lin , Wei Xu , Wenqing Cheng

The annotation scarcity of medical image segmentation poses challenges in collecting sufficient training data for deep learning models. Specifically, models trained on limited data may not generalize well to other unseen data domains,…

图像与视频处理 · 电气工程与系统科学 2023-07-19 Heng Li , Haojin Li , Wei Zhao , Huazhu Fu , Xiuyun Su , Yan Hu , Jiang Liu

4D radar super-resolution, which aims to reconstruct sparse and noisy point clouds into dense and geometrically consistent representations, is a foundational problem in autonomous perception. However, existing methods often suffer from high…

计算机视觉与模式识别 · 计算机科学 2025-09-17 Minqing Huang , Shouyi Lu , Boyuan Zheng , Ziyao Li , Xiao Tang , Guirong Zhuo

Knowledge distillation is a method of transferring the knowledge from a pretrained complex teacher model to a student model, so a smaller network can replace a large teacher network at the deployment stage. To reduce the necessity of…

计算机视觉与模式识别 · 计算机科学 2021-03-16 Mingi Ji , Seungjae Shin , Seunghyun Hwang , Gibeom Park , Il-Chul Moon

Despite the recent visually-pleasing results achieved, the massive computational cost has been a long-standing flaw for diffusion probabilistic models (DPMs), which, in turn, greatly limits their applications on resource-limited platforms.…

计算机视觉与模式识别 · 计算机科学 2022-12-01 Xingyi Yang , Daquan Zhou , Jiashi Feng , Xinchao Wang

Diffusion Transformers (DiT) are renowned for their impressive generative performance; however, they are significantly constrained by considerable computational costs due to the quadratic complexity in self-attention and the extensive…

计算机视觉与模式识别 · 计算机科学 2025-09-24 Shuning Chang , Pichao Wang , Jiasheng Tang , Fan Wang , Yi Yang

Large pre-trained models have achieved great success in many natural language processing tasks. However, when they are applied in specific domains, these models suffer from domain shift and bring challenges in fine-tuning and online serving…

计算与语言 · 计算机科学 2021-06-30 Yunzhi Yao , Shaohan Huang , Wenhui Wang , Li Dong , Furu Wei

To fully leverage spatial information for remote sensing image segmentation and address semantic edge ambiguities caused by grayscale variations (e.g., shadows and low-contrast regions), we propose the Frequency and Spatial Domains based…

计算机视觉与模式识别 · 计算机科学 2025-10-02 Jiahao Fu , Yinfeng Yu , Liejun Wang

Private synthetic data sharing is preferred as it keeps the distribution and nuances of original data compared to summary statistics. The state-of-the-art methods adopt a select-measure-generate paradigm, but measuring large domain…

密码学与安全 · 计算机科学 2023-10-11 Meifan Zhang , Dihang Deng , Lihua Yin

Dataset distillation seeks to condense datasets into smaller but highly representative synthetic samples. While diffusion models now lead all generative benchmarks, current distillation methods avoid them and rely instead on GANs or…

计算机视觉与模式识别 · 计算机科学 2025-10-09 Brian B. Moser , Federico Raue , Sebastian Palacio , Stanislav Frolov , Andreas Dengel