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In this paper, we present our approach to the DataCV ICCV Challenge, which centers on building a high-quality face dataset to train a face recognition model. The constructed dataset must not contain identities overlapping with any existing…

计算机视觉与模式识别 · 计算机科学 2025-08-19 Feiran Li , Qianqian Xu , Shilong Bao , Boyu Han , Zhiyong Yang , Qingming Huang

In todays scenario, various organizations store their sensitive data in the cloud environment. Multiple problems are present while retrieving and storing vast amounts of data, such as the frequency of data requests (increasing the…

密码学与安全 · 计算机科学 2025-12-30 Partha Paul , Keshav Sinha

Recent advancements in video generation have significantly impacted various downstream applications, particularly in identity-preserving video generation (IPT2V). However, existing methods struggle with "copy-paste" artifacts and low…

计算机视觉与模式识别 · 计算机科学 2025-02-28 Jiangchuan Wei , Shiyue Yan , Wenfeng Lin , Boyuan Liu , Renjie Chen , Mingyu Guo

This paper proposes a novel paradigm for facial privacy protection that unifies multiple characteristics including anonymity, diversity, reversibility and security within a single lightweight framework. We name it PRO-Face S, short for…

计算机视觉与模式识别 · 计算机科学 2023-07-19 Lin Yuan , Kai Liang , Xiao Pu , Yan Zhang , Jiaxu Leng , Tao Wu , Nannan Wang , Xinbo Gao

Face recognition is a widely-used technique for identification or verification, where a verifier checks whether a face image matches anyone stored in a database. However, in scenarios where the database is held by a third party, such as a…

密码学与安全 · 计算机科学 2023-07-25 Jianli Bai , Xiaowu Zhang , Xiangfu Song , Hang Shao , Qifan Wang , Shujie Cui , Giovanni Russello

As cloud computing gains traction, data owners are outsourcing their data to cloud service providers (CSPs) for Database Service (DBaaS), bringing in a deviation of data ownership and usage, and intensifying privacy concerns, especially…

密码学与安全 · 计算机科学 2024-04-11 Hui Li , Jingwen Shi , Qi Tian , Zheng Li , Yan Fu , Bingqing Shen , Yaofeng Tu

Computationally efficient, accurate, and privacy-preserving data storage and retrieval are among the key challenges faced by practical deployments of biometric identification systems worldwide. In this work, a method of protected indexing…

计算机视觉与模式识别 · 计算机科学 2021-07-28 Pawel Drozdowski , Fabian Stockhardt , Christian Rathgeb , Dailé Osorio-Roig , Christoph Busch

Outsourcing encrypted data to the cloud creates a fundamental tension between data privacy and functional searchability. Current Searchable Symmetric Encryption (SSE) solutions frequently have significant limitations, such as excessive…

密码学与安全 · 计算机科学 2026-03-11 Seydina Ousmane Diallo , Maryline Laurent , Nesrine Kaaniche

With the rapid progress in diffusion models, image synthesis has advanced to the stage of zero-shot image-to-image generation, where high-fidelity replication of facial identities or artistic styles can be achieved using just one portrait…

计算机视觉与模式识别 · 计算机科学 2025-12-02 Jun Jia , Hongyi Miao , Yingjie Zhou , Wangqiu Zhou , Jianbo Zhang , Linhan Cao , Dandan Zhu , Hua Yang , Xiongkuo Min , Wei Sun , Guangtao Zhai

The increasingly pervasive facial recognition (FR) systems raise serious concerns about personal privacy, especially for billions of users who have publicly shared their photos on social media. Several attempts have been made to protect…

计算机视觉与模式识别 · 计算机科学 2025-12-02 Jiang Liu , Chun Pong Lau , Zhongliang Guo , Yuxiang Guo , Zhaoyang Wang , Rama Chellappa

The rising need of secret image sharing with high security has led to much advancement in lucrative exchange of important images which contain vital and confidential information. Multi secret image sharing system (MSIS) is an efficient and…

密码学与安全 · 计算机科学 2017-10-27 Karthik Reddy , Tejas K , Swathi C , Ashok K , Rajesh Kumar M

Production-level workflows for producing convincing 3D dynamic human faces have long relied on an assortment of labor-intensive tools for geometry and texture generation, motion capture and rigging, and expression synthesis. Recent neural…

计算机视觉与模式识别 · 计算机科学 2022-09-19 Longwen Zhang , Chuxiao Zeng , Qixuan Zhang , Hongyang Lin , Ruixiang Cao , Wei Yang , Lan Xu , Jingyi Yu

Whenever we speak, our voice is accompanied by facial movements and expressions. Several recent works have shown the synthesis of highly photo-realistic videos of talking faces, but they either require a source video to drive the target…

计算机视觉与模式识别 · 计算机科学 2020-11-03 Prateek Manocha , Prithwijit Guha

The use of key-dependent shiftRows can be considered as one of the applied methods for altering the quality of a cryptographic algorithm. This article describes one approach for changing the ShiftRows transformation employed in the…

密码学与安全 · 计算机科学 2015-02-16 Auday H. Al-Wattar , Ramlan Mahmod , Zuriati Ahmad Zukarnain , Nur Izura Udzir

Business analytics processes are often composed from orchestrated, collaborating services, which are consumed by users from multiple cloud systems (in different security realms), which need to be engaged dynamically at runtime. If…

密码学与安全 · 计算机科学 2019-01-11 Hussain Al-Aqrabi , Richard Hill

Recent trend towards cloud computing paradigm, smart devices and 4G wireless technologies has enabled seamless data sharing among users. Cloud computing environment is distributed and untrusted, hence data owners have to encrypt their data…

密码学与安全 · 计算机科学 2016-02-04 Yogachandran Rahulamathavan

While disk encryption is suitable for use in most situations where confidentiality of disks is required, stronger guarantees are required in situations where adversaries may employ coercive tactics to gain access to cryptographic keys.…

密码学与安全 · 计算机科学 2021-10-12 Kyle Fredrickson , Austen Barker , Darrell D. E. Long

Modern face recognition systems utilize deep neural networks to extract salient features from a face. These features denote embeddings in latent space and are often stored as templates in a face recognition system. These embeddings are…

密码学与安全 · 计算机科学 2024-04-26 Bharat Yalavarthi , Arjun Ramesh Kaushik , Arun Ross , Vishnu Boddeti , Nalini Ratha

Verifiable credentials are a digital analogue of physical credentials. Their authenticity and integrity are protected by means of cryptographic techniques, and they can be presented to verifiers to reveal attributes or even predicates about…

密码学与安全 · 计算机科学 2024-01-17 Andrea Flamini , Giada Sciarretta , Mario Scuro , Amir Sharif , Alessandro Tomasi , Silvio Ranise

The recent advancement in computing technologies and resulting vision based applications have gives rise to a novel practice called telemedicine that requires patient diagnosis images or allied information to recommend or even perform…

计算机视觉与模式识别 · 计算机科学 2018-05-01 Romany F. Mansour , Elsaid MD. Abdelrahim