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Open-source pre-trained models hold great potential for diverse applications, but their utility declines when their training data is unavailable. Data-Free Image Synthesis (DFIS) aims to generate images that approximate the learned data…

Computer Vision and Pattern Recognition · Computer Science 2025-06-19 Yujin Kim , Hyunsoo Kim , Hyunwoo J. Kim , Suhyun Kim

Dataset distillation provides an effective approach to reduce memory and computational costs by optimizing a compact dataset that achieves performance comparable to the full original. However, for large-scale datasets and complex deep…

Computer Vision and Pattern Recognition · Computer Science 2025-11-14 Xinhao Zhong , Shuoyang Sun , Xulin Gu , Zhaoyang Xu , Yaowei Wang , Min Zhang , Bin Chen

Knowledge distillation (KD) has enabled remarkable progress in model compression and knowledge transfer. However, KD requires a large volume of original data or their representation statistics that are not usually available in practice.…

Machine Learning · Computer Science 2021-02-11 Pengchao Han , Jihong Park , Shiqiang Wang , Yejun Liu

Knowledge distillation aims to enhance the performance of a lightweight student model by exploiting the knowledge from a pre-trained cumbersome teacher model. However, in the traditional knowledge distillation, teacher predictions are only…

Machine Learning · Computer Science 2023-05-26 Shiya Luo , Defang Chen , Can Wang

Data-Free Knowledge Distillation (DFKD) has recently attracted growing attention in the academic community, especially with major breakthroughs in computer vision. Despite promising results, the technique has not been well applied to audio…

Sound · Computer Science 2023-03-15 Zuheng Kang , Yayun He , Jianzong Wang , Junqing Peng , Xiaoyang Qu , Jing Xiao

Knowledge Distillation (KD) utilizes training data as a transfer set to transfer knowledge from a complex network (Teacher) to a smaller network (Student). Several works have recently identified many scenarios where the training data may…

Computer Vision and Pattern Recognition · Computer Science 2021-10-28 Gaurav Kumar Nayak , Monish Keswani , Sharan Seshadri , Anirban Chakraborty

Diffusion models have recently achieved astonishing performance in generating high-fidelity photo-realistic images. Given their huge success, it is still unclear whether synthetic images are applicable for knowledge distillation when real…

Computer Vision and Pattern Recognition · Computer Science 2023-05-23 Zheng Li , Yuxuan Li , Penghai Zhao , Renjie Song , Xiang Li , Jian Yang

Data-free knowledge distillation aims to learn a compact student network from a pre-trained large teacher network without using the original training data of the teacher network. Existing collection-based and generation-based methods train…

Computer Vision and Pattern Recognition · Computer Science 2024-12-19 Jialiang Tang , Shuo Chen , Chen Gong

Data-free knowledge distillation (DFKD) has recently been attracting increasing attention from research communities, attributed to its capability to compress a model only using synthetic data. Despite the encouraging results achieved,…

Machine Learning · Computer Science 2022-02-28 Gongfan Fang , Kanya Mo , Xinchao Wang , Jie Song , Shitao Bei , Haofei Zhang , Mingli Song

Knowledge distillation is a common paradigm for transferring capabilities from larger models to smaller ones. While traditional distillation methods leverage a probabilistic divergence over the output of the teacher and student models,…

Machine Learning · Computer Science 2025-10-01 Prajjwal Bhattarai , Mohammad Amjad , Dmytro Zhylko , Tuka Alhanai

Dataset distillation (DD) has witnessed significant progress in creating small datasets that encapsulate rich information from large original ones. Particularly, methods based on generative priors show promising performance, while…

Computer Vision and Pattern Recognition · Computer Science 2025-05-27 Jianyang Gu , Haonan Wang , Ruoxi Jia , Saeed Vahidian , Vyacheslav Kungurtsev , Wei Jiang , Yiran Chen

Knowledge distillation in neural networks refers to compressing a large model or dataset into a smaller version of itself. We introduce Privacy Distillation, a framework that allows a text-to-image generative model to teach another model…

Data-free knowledge distillation is able to utilize the knowledge learned by a large teacher network to augment the training of a smaller student network without accessing the original training data, avoiding privacy, security, and…

Computer Vision and Pattern Recognition · Computer Science 2024-06-13 He Liu , Yikai Wang , Huaping Liu , Fuchun Sun , Anbang Yao

Knowledge Distillation (KD) is a powerful technique for transferring knowledge between neural network models, where a pre-trained teacher model is used to facilitate the training of the target student model. However, the availability of a…

Computer Vision and Pattern Recognition · Computer Science 2023-05-17 Xucong Wang , Pengchao Han , Lei Guo

Data-free Knowledge Distillation (DFKD) is a method that constructs pseudo-samples using a generator without real data, and transfers knowledge from a teacher model to a student by enforcing the student to overcome dimensional differences…

Machine Learning · Computer Science 2025-04-03 Yuang Jia , Xiaojuan Shan , Jun Xia , Guancheng Wan , Yuchen Zhang , Wenke Huang , Mang Ye , Stan Z. Li

Multi-weather image restoration has witnessed incredible progress, while the increasing model capacity and expensive data acquisition impair its applications in memory-limited devices. Data-free distillation provides an alternative for…

Computer Vision and Pattern Recognition · Computer Science 2024-09-06 Pei Wang , Xiaotong Luo , Yuan Xie , Yanyun Qu

The representation gap between teacher and student is an emerging topic in knowledge distillation (KD). To reduce the gap and improve the performance, current methods often resort to complicated training schemes, loss functions, and feature…

Computer Vision and Pattern Recognition · Computer Science 2023-12-05 Tao Huang , Yuan Zhang , Mingkai Zheng , Shan You , Fei Wang , Chen Qian , Chang Xu

Diffusion-based text-to-image generation models trained on extensive text-image pairs have demonstrated the ability to produce photorealistic images aligned with textual descriptions. However, a significant limitation of these models is…

Computer Vision and Pattern Recognition · Computer Science 2025-02-11 Mingyuan Zhou , Zhendong Wang , Huangjie Zheng , Hai Huang

Knowledge Distillation (KD) is a common knowledge transfer algorithm used for model compression across a variety of deep learning based natural language processing (NLP) solutions. In its regular manifestations, KD requires access to the…

Computation and Language · Computer Science 2021-01-01 Ahmad Rashid , Vasileios Lioutas , Abbas Ghaddar , Mehdi Rezagholizadeh

Data-free knowledge distillation (DFKD) is a widely-used strategy for Knowledge Distillation (KD) whose training data is not available. It trains a lightweight student model with the aid of a large pretrained teacher model without any…

Computer Vision and Pattern Recognition · Computer Science 2023-07-06 Jingru Li , Sheng Zhou , Liangcheng Li , Haishuai Wang , Zhi Yu , Jiajun Bu