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相关论文: DPAF: Image Synthesis via Differentially Private A…

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Despite the recent advancement of Generative Adversarial Networks (GANs) in learning 3D-aware image synthesis from 2D data, existing methods fail to model indoor scenes due to the large diversity of room layouts and the objects inside. We…

计算机视觉与模式识别 · 计算机科学 2022-02-21 Zifan Shi , Yujun Shen , Jiapeng Zhu , Dit-Yan Yeung , Qifeng Chen

Differentially private SGD (DPSGD) enables privacy-preserving training of language models, but often reduces utility, diversity, and linguistic quality. We introduce DPRefine, a three-phase method that initializes a model using data…

机器学习 · 计算机科学 2024-10-24 Ivoline C. Ngong , Joseph P. Near , Niloofar Mireshghallah

While many deep learning models trained on private datasets have been deployed in various practical tasks, they may pose a privacy leakage risk as attackers could recover informative data or label knowledge from models. In this work, we…

机器学习 · 计算机科学 2026-01-28 Bochao Liu , Shiming Ge , Pengju Wang , Shikun Li , Tongliang Liu

We introduce DP-FinDiff, a differentially private diffusion framework for synthesizing mixed-type tabular data. DP-FinDiff employs embedding-based representations for categorical features, reducing encoding overhead and scaling to…

机器学习 · 计算机科学 2025-12-02 Timur Sattarov , Marco Schreyer , Damian Borth

Deep learning has brought an unprecedented progress in computer vision and significant advances have been made in predicting subjective properties inherent to visual data (e.g., memorability, aesthetic quality, evoked emotions, etc.).…

机器学习 · 统计学 2018-12-04 Aliaksandr Siarohin , Gloria Zen , Nicu Sebe , Elisa Ricci

We show that the canonical approach for training differentially private GANs -- updating the discriminator with differentially private stochastic gradient descent (DPSGD) -- can yield significantly improved results after modifications to…

机器学习 · 计算机科学 2023-10-06 Alex Bie , Gautam Kamath , Guojun Zhang

Conventional gradient-sharing approaches for federated learning (FL), such as FedAvg, rely on aggregation of local models and often face performance degradation under differential privacy (DP) mechanisms or data heterogeneity, which can be…

机器学习 · 计算机科学 2024-10-25 Hui-Po Wang , Dingfan Chen , Raouf Kerkouche , Mario Fritz

We propose a new framework of synthesizing data using deep generative models in a differentially private manner. Within our framework, sensitive data are sanitized with rigorous privacy guarantees in a one-shot fashion, such that training…

机器学习 · 计算机科学 2022-03-09 Seng Pei Liew , Tsubasa Takahashi , Michihiko Ueno

Affective computing faces a major challenge: the lack of high-quality, diverse depth facial datasets for recognizing subtle emotional expressions. We propose a framework for synthetic depth face generation using an optimized GAN with…

计算机视觉与模式识别 · 计算机科学 2025-08-14 Seyed Muhammad Hossein Mousavi , S. Younes Mirinezhad

A key factor in developing high performing machine learning models is the availability of sufficiently large datasets. This work is motivated by applications arising in Software as a Service (SaaS) companies where there exist numerous…

机器学习 · 计算机科学 2018-12-05 Sophia Collet , Robert Dadashi , Zahi N. Karam , Chang Liu , Parinaz Sobhani , Yevgeniy Vahlis , Ji Chao Zhang

Due to the pervasiveness of image capturing devices in every-day life, images of individuals are routinely captured. Although this has enabled many benefits, it also infringes on personal privacy. A promising direction in research on…

密码学与安全 · 计算机科学 2021-02-23 William Croft , Jörg-Rüdiger Sack , Wei Shi

Generative models, such as GANs, learn an explicit low-dimensional representation of a particular class of images, and so they may be used as natural image priors for solving inverse problems such as image restoration and compressive…

机器学习 · 计算机科学 2025-10-28 Mara Daniels , Paul Hand , Reinhard Heckel

We propose a new approach for high resolution semantic image synthesis. It consists of one base image generator and multiple class-specific generators. The base generator generates high quality images based on a segmentation map. To further…

计算机视觉与模式识别 · 计算机科学 2021-10-11 Yuheng Li , Yijun Li , Jingwan Lu , Eli Shechtman , Yong Jae Lee , Krishna Kumar Singh

Modern cameras' performance in low-light conditions remains suboptimal due to fundamental limitations in photon shot noise and sensor read noise. Generative image restoration methods have shown promising results compared to traditional…

计算机视觉与模式识别 · 计算机科学 2025-11-26 Xijun Wang , Prateek Chennuri , Dilshan Godaliyadda , Yu Yuan , Bole Ma , Xingguang Zhang , Hamid R. Sheikh , Stanley Chan

We revisit the problem of generating synthetic data under differential privacy. To address the core limitations of marginal-based methods, we propose the Private Adaptive Generative Adversarial Network with Bayes Network Structure…

机器学习 · 统计学 2025-11-12 Ke Jia , Yuheng Ma , Yang Li , Feifei Wang

Domain Generalized Semantic Segmentation (DGSS) is a critical yet challenging task, as domain shifts in unseen environments can severely compromise model performance. While recent studies enhance feature alignment by projecting features…

计算机视觉与模式识别 · 计算机科学 2025-07-30 I-Hsiang Chen , Hua-En Chang , Wei-Ting Chen , Jenq-Neng Hwang , Sy-Yen Kuo

Synthetic Data Generation has become essential for scalable, privacy-preserving statistical analysis. While standard approaches based on generative models, such as Normalizing Flows, have been widely used, they often suffer from slow…

机器学习 · 统计学 2025-06-23 Rex Shen , Lu Tian

The acquisition of large-scale, high-quality data is a resource-intensive and time-consuming endeavor. Compared to conventional Data Augmentation (DA) techniques (e.g. cropping and rotation), exploiting prevailing diffusion models for data…

计算机视觉与模式识别 · 计算机科学 2024-03-20 Yunxiang Fu , Chaoqi Chen , Yu Qiao , Yizhou Yu

Differentially private (DP) synthetic data generation is a practical method for improving access to data as a means to encourage productive partnerships. One issue inherent to DP is that the "privacy budget" is generally "spent" evenly…

机器学习 · 计算机科学 2022-08-11 Lucas Rosenblatt , Joshua Allen , Julia Stoyanovich

Tremendous progress in deep generative models has led to photorealistic image synthesis. While achieving compelling results, most approaches operate in the two-dimensional image domain, ignoring the three-dimensional nature of our world.…

计算机视觉与模式识别 · 计算机科学 2021-04-01 Michael Niemeyer , Andreas Geiger