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The issue of detecting deepfakes has garnered significant attention in the research community, with the goal of identifying facial manipulations for abuse prevention. Although recent studies have focused on developing generalized models…

计算机视觉与模式识别 · 计算机科学 2023-05-23 Jiazhi Guan , Tianshu Hu , Hang Zhou , Zhizhi Guo , Lirui Deng , Chengbin Quan , Errui Ding , Youjian Zhao

With the proliferation of training data, distributed machine learning (DML) is becoming more competent for large-scale learning tasks. However, privacy concerns have to be given priority in DML, since training data may contain sensitive…

机器学习 · 计算机科学 2020-08-26 Xin Wang , Hideaki Ishii , Linkang Du , Peng Cheng , Jiming Chen

Federated learning (FL) is a common and practical framework for learning a machine model in a decentralized fashion. A primary motivation behind this decentralized approach is data privacy, ensuring that the learner never sees the data of…

机器学习 · 计算机科学 2023-06-22 Yeojoon Youn , Zihao Hu , Juba Ziani , Jacob Abernethy

With explosive growth of data volume and ever-increasing diversity of data modalities, cross-modal similarity search, which conducts nearest neighbor search across different modalities, has been attracting increasing interest. This paper…

计算机视觉与模式识别 · 计算机科学 2019-04-17 Erkun Yang , Cheng Deng , Chao Li , Wei Liu , Jie Li , Dacheng Tao

Despite the widespread use of text-to-image diffusion models across various tasks, their computational and memory demands limit practical applications. To mitigate this issue, quantization of diffusion models has been explored. It reduces…

计算机视觉与模式识别 · 计算机科学 2025-02-13 Hyogon Ryu , NaHyeon Park , Hyunjung Shim

With the development of diffusion-based customization methods like DreamBooth, individuals now have access to train the models that can generate their personalized images. Despite the convenience, malicious users have misused these…

计算机视觉与模式识别 · 计算机科学 2024-07-29 Yisu Liu , Jinyang An , Wanqian Zhang , Dayan Wu , Jingzi Gu , Zheng Lin , Weiping Wang

Cross-domain recommendation (CDR) aims to enhance recommendation accuracy in a target domain with sparse data by leveraging rich information in a source domain, thereby addressing the data-sparsity problem. Some existing CDR methods…

人工智能 · 计算机科学 2024-03-07 Li Wang , Lei Sang , Quangui Zhang , Qiang Wu , Min Xu

Local Differential Privacy (LDP) offers strong privacy guarantees without requiring users to trust external parties. However, LDP applies uniform protection to all data features, including less sensitive ones, which degrades performance of…

Recognizing human activities in videos is challenging due to the spatio-temporal complexity and context-dependence of human interactions. Prior studies often rely on single input modalities, such as RGB or skeletal data, limiting their…

计算机视觉与模式识别 · 计算机科学 2024-09-05 Tuyen Tran , Thao Minh Le , Hung Tran , Truyen Tran

Vector Quantization (VQ) is a method for discretizing latent representations and has become a major part of the deep learning toolkit. It has been theoretically and empirically shown that discretization of representations leads to improved…

机器学习 · 计算机科学 2022-02-04 Dianbo Liu , Alex Lamb , Xu Ji , Pascal Notsawo , Mike Mozer , Yoshua Bengio , Kenji Kawaguchi

Human actions recognition is a fundamental task in artificial vision, that has earned a great importance in recent years due to its multiple applications in different areas. %, such as the study of human behavior, security or video…

Quantization-aware training (QAT) has achieved remarkable success in low-bit ($\leq$4-bit) quantization for classification networks. However, when applied to more complex visual tasks such as object detection and image segmentation,…

计算机视觉与模式识别 · 计算机科学 2026-02-27 Zhaoyang Wang , Dong Wang

Transformers have achieved widespread and remarkable success, while the computational complexity of their attention modules remains a major bottleneck for vision tasks. Existing methods mainly employ 8-bit or 4-bit quantization to balance…

计算机视觉与模式识别 · 计算机科学 2026-03-11 Chaodong Xiao , Zhengqiang Zhang , Lei Zhang

Privacy-preserving and secure data sharing are critical for medical image analysis while maintaining accuracy and minimizing computational overhead are also crucial. Applying existing deep neural networks (DNNs) to encrypted medical data is…

密码学与安全 · 计算机科学 2024-11-12 Al Amin , Kamrul Hasan , Sharif Ullah , M. Shamim Hossain

We consider the problem of client-server localization, where edge device users communicate visual data with the service provider for locating oneself against a pre-built 3D map. This localization paradigm is a crucial component for…

计算机视觉与模式识别 · 计算机科学 2025-10-21 Junho Kim , Young Min Kim , Ramzi Zahreddine , Weston A. Welge , Gurunandan Krishnan , Sizhuo Ma , Jian Wang

Existing quantum computers can only operate with hundreds of qubits in the Noisy Intermediate-Scale Quantum (NISQ) state, while quantum distributed computing (QDC) is regarded as a reliable way to address this limitation, allowing quantum…

量子物理 · 物理学 2025-01-07 Hui Zhong , Keyi Ju , Jiachen Shen , Xinyue Zhang , Xiaoqi Qin , Tomoaki Ohtsuki , Miao Pan , Zhu Han

The widespread deployment of surveillance cameras for facial recognition gives rise to many privacy concerns. This study proposes a privacy-friendly alternative to large scale facial recognition. While there are multiple techniques to…

计算机视觉与模式识别 · 计算机科学 2021-01-28 Mattijs Baert , Sam Leroux , Pieter Simoens

Deep learning models leak significant amounts of information about their training datasets. Previous work has investigated training models with differential privacy (DP) guarantees through adding DP noise to the gradients. However, such…

机器学习 · 计算机科学 2020-07-23 Milad Nasr , Reza Shokri , Amir houmansadr

Hashing methods, which encode high-dimensional images with compact discrete codes, have been widely applied to enhance large-scale image retrieval. In this paper, we put forward Deep Spherical Quantization (DSQ), a novel method to make deep…

计算机视觉与模式识别 · 计算机科学 2019-06-10 Sepehr Eghbali , Ladan Tahvildari

As deep learning methods increasingly utilize sensitive data on a widespread scale, differential privacy (DP) offers formal guarantees to protect against information leakage during model training. A significant challenge remains in…

机器学习 · 计算机科学 2025-11-12 Jay Chooi , Kevin Cong , Russell Li , Lillian Sun