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In hash-based image retrieval systems, degraded or transformed inputs usually generate different codes from the original, deteriorating the retrieval accuracy. To mitigate this issue, data augmentation can be applied during training.…

Computer Vision and Pattern Recognition · Computer Science 2022-07-14 Young Kyun Jang , Geonmo Gu , Byungsoo Ko , Isaac Kang , Nam Ik Cho

Dataset distillation has emerged as a promising approach in deep learning, enabling efficient training with small synthetic datasets derived from larger real ones. Particularly, distribution matching-based distillation methods attract…

Computer Vision and Pattern Recognition · Computer Science 2024-04-02 Wenxiao Deng , Wenbin Li , Tianyu Ding , Lei Wang , Hongguang Zhang , Kuihua Huang , Jing Huo , Yang Gao

Dataset Condensation aims to condense a large dataset into a smaller one while maintaining its ability to train a well-performing model, thus reducing the storage cost and training effort in deep learning applications. However, conventional…

Machine Learning · Computer Science 2023-07-20 Ganlong Zhao , Guanbin Li , Yipeng Qin , Yizhou Yu

Spatio-temporal time series are widely used in real-world applications, including traffic prediction and weather forecasting. They are sequences of observations over extensive periods and multiple locations, naturally represented as…

Machine Learning · Computer Science 2026-03-12 Taehyung Kwon , Yeonje Choi , Yeongho Kim , Kijung Shin

Dataset distillation aims to synthesize a compact yet representative dataset that preserves the essential characteristics of the original data for efficient model training. Existing methods mainly focus on improving data-synthetic alignment…

Computer Vision and Pattern Recognition · Computer Science 2026-02-17 Jiacheng Cui , Zhaoyi Li , Xiaochen Ma , Xinyue Bi , Yaxin Luo , Zhiqiang Shen

Dataset distillation and dataset pruning are two prominent techniques for compressing datasets to improve computational and storage efficiency. Despite their overlapping objectives, these approaches are rarely compared directly. Even within…

Computer Vision and Pattern Recognition · Computer Science 2025-02-11 Lingao Xiao , Songhua Liu , Yang He , Xinchao Wang

Dataset distillation (DD) aims to minimize the time and memory consumption needed for training deep neural networks on large datasets, by creating a smaller synthetic dataset that has similar performance to that of the full real dataset.…

Computer Vision and Pattern Recognition · Computer Science 2025-05-20 Xinhao Zhong , Bin Chen , Hao Fang , Xulin Gu , Shu-Tao Xia , En-Hui Yang

State-of-the-art deep neural networks are trained with large amounts (millions or even billions) of data. The expensive computation and memory costs make it difficult to train them on limited hardware resources, especially for recent…

Computer Vision and Pattern Recognition · Computer Science 2023-08-22 Daquan Zhou , Kai Wang , Jianyang Gu , Xiangyu Peng , Dongze Lian , Yifan Zhang , Yang You , Jiashi Feng

Dataset distillation (DD) compresses a large training set into a small synthetic set, reducing storage and training cost, and has shown strong results on general benchmarks. Decoupled DD further improves efficiency by splitting the pipeline…

Computer Vision and Pattern Recognition · Computer Science 2026-03-27 Hongxu Ma , Guang Li , Shijie Wang , Dongzhan Zhou , Baoli Sun , Takahiro Ogawa , Miki Haseyama , Zhihui Wang

With the increasing size of datasets used for training neural networks, data pruning becomes an attractive field of research. However, most current data pruning algorithms are limited in their ability to preserve accuracy compared to models…

Computer Vision and Pattern Recognition · Computer Science 2024-08-15 Emanuel Ben-Baruch , Adam Botach , Igor Kviatkovsky , Manoj Aggarwal , Gérard Medioni

Subtask distillation is an emerging paradigm in which compact, specialized models are extracted from large, general-purpose 'foundation models' for deployment in environments with limited resources or in standalone computer systems.…

Machine Learning · Computer Science 2026-02-03 Pattarawat Chormai , Klaus-Robert Müller , Grégoire Montavon

Condensed datasets offer a compact representation of larger datasets, but training models directly on them or using them to enhance model performance through knowledge distillation (KD) can result in suboptimal outcomes due to limited…

Machine Learning · Computer Science 2025-11-11 Kuluhan Binici , Shivam Aggarwal , Cihan Acar , Nam Trung Pham , Karianto Leman , Gim Hee Lee , Tulika Mitra

Dataset distillation has emerged as a strategy to compress real-world datasets for efficient training. However, it struggles with large-scale and high-resolution datasets, limiting its practicality. This paper introduces a novel…

Computer Vision and Pattern Recognition · Computer Science 2025-01-14 Youbing Hu , Yun Cheng , Olga Saukh , Firat Ozdemir , Anqi Lu , Zhiqiang Cao , Zhijun Li

Dataset distillation reduces the storage and computational consumption of training a network by generating a small surrogate dataset that encapsulates rich information of the original large-scale one. However, previous distillation methods…

Computer Vision and Pattern Recognition · Computer Science 2024-03-26 Jianyang Gu , Saeed Vahidian , Vyacheslav Kungurtsev , Haonan Wang , Wei Jiang , Yang You , Yiran Chen

This paper presents a supervised mixing augmentation method termed SuperMix, which exploits the salient regions within input images to construct mixed training samples. SuperMix is designed to obtain mixed images rich in visual features and…

Computer Vision and Pattern Recognition · Computer Science 2021-12-13 Ali Dabouei , Sobhan Soleymani , Fariborz Taherkhani , Nasser M. Nasrabadi

Recent advances in model compression have provided procedures for compressing large neural networks to a fraction of their original size while retaining most if not all of their accuracy. However, all of these approaches rely on access to…

Machine Learning · Computer Science 2017-11-27 Raphael Gontijo Lopes , Stefano Fenu , Thad Starner

Dataset Distillation (DD) seeks to create a compact dataset from a large, real-world dataset. While recent methods often rely on heuristic approaches to balance efficiency and quality, the fundamental relationship between original and…

Machine Learning · Computer Science 2026-01-30 Shaobo Wang , Yantai Yang , Guo Chen , Peiru Li , Kaixin Li , Yufa Zhou , Zhaorun Chen , Linfeng Zhang

Current scaling laws for visual AI models focus predominantly on large-scale pretraining, leaving a critical gap in understanding how performance scales for data-constrained downstream tasks. To address this limitation, this paper…

Machine Learning · Computer Science 2025-04-21 Wenxuan Yang , Qingqu Wei , Chenxi Ma , Weimin Tan , Bo Yan

Most deep metric learning (DML) methods employ a strategy that forces all positive samples to be close in the embedding space while keeping them away from negative ones. However, such a strategy ignores the internal relationships of…

Computer Vision and Pattern Recognition · Computer Science 2022-06-20 Zelong Zeng , Fan Yang , Zheng Wang , Shin'ichi Satoh

Dataset distillation methods reduce large-scale datasets to smaller sets of synthetic data, preserving sufficient information to quickly train a new model from scratch. However, prior work on dataset distillation has focused exclusively on…

Computer Vision and Pattern Recognition · Computer Science 2024-08-21 Xindi Wu , Byron Zhang , Zhiwei Deng , Olga Russakovsky