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Advancements in healthcare industry with new technology and population growth has given rise to security threat to our most personal data. The healthcare data management system consists of records in different formats such as text, numeric,…

密码学与安全 · 计算机科学 2017-05-23 Kashish A. Shakil , Farhana J. Zareen , Mansaf Alam , Suraiya Jabin

The rapid integration of Artificial Intelligence (AI) into medical diagnostics has raised pressing concerns about patient privacy, especially when sensitive imaging data must be transferred, stored, or processed. In this paper, we propose a…

密码学与安全 · 计算机科学 2025-07-30 Abdullah Al Siam , Sadequzzaman Shohan

In the recent world, security is a prime important issue, and encryption is one of the best alternative way to ensure security. More over, there are many image encryption schemes have been proposed, each one of them has its own strength and…

密码学与安全 · 计算机科学 2011-03-22 G. A. Sathishkumar , Dr. K. Bhoopathy bagan , Dr. N. Sriraam

Conventional techniques for compression and encryption are frequently laborious and resource-intensive, rendering them inappropriate for real-time applications. A plethora of research has been presented in the current literature to address…

密码学与安全 · 计算机科学 2026-05-19 Shiladitya Bhattacharjee , Subha Bhattacharya , Arnab Chatterjee , Sulabh Bansal , Saurabh Shukla

The widespread adoption of smartphone photography has led users to increasingly rely on cloud storage for personal photo archiving and sharing, raising critical privacy concerns. Existing deep learning-based image encryption schemes,…

密码学与安全 · 计算机科学 2025-09-24 Xiaohui Yang , Ping Ping , Feng Xu

To enhance the security of text CAPTCHAs, various methods have been employed, such as adding the interference lines on the text, randomly distorting the characters, and overlapping multiple characters. These methods partly increase the…

密码学与安全 · 计算机科学 2023-08-17 Ran Jiang , Sanfeng Zhang , Linfeng Liu , Yanbing Peng

Dynamic Searchable Encryption (DSE) has emerged as a solution to efficiently handle and protect large-scale data storage in encrypted databases (EDBs). Volume leakage poses a significant threat, as it enables adversaries to reconstruct…

密码学与安全 · 计算机科学 2024-03-05 Dongli Liu , Wei Wang , Peng Xu , Laurence T. Yang , Bo Luo , Kaitai Liang

As face recognition systems (FRS) become more widely used, user privacy becomes more important. A key privacy issue in FRS is protecting the user's face template, as the characteristics of the user's face image can be recovered from the…

密码学与安全 · 计算机科学 2025-07-17 Sunpill Kim , Seunghun Paik , Chanwoo Hwang , Dongsoo Kim , Junbum Shin , Jae Hong Seo

Multimedia compression allows us to watch videos, see pictures and hear sounds within a limited bandwidth, which helps the flourish of the internet. During the past decades, multimedia compression has achieved great success using hand-craft…

多媒体 · 计算机科学 2023-08-21 Yuhao Cheng , Siru Zhang , Yiqiang Yan , Rong Chen , Yun Zhang

The Internet has been weaponized to carry out cybercriminal activities at an unprecedented pace. The rising concerns for preserving the privacy of personal data while availing modern tools and technologies is alarming. End-to-end encrypted…

密码学与安全 · 计算机科学 2020-09-07 Priyanka Singh

Face anonymization aims to protect sensitive identity information by altering faces while preserving visual realism and utility for downstream computer vision tasks. Current methods struggle to simultaneously ensure high image quality,…

计算机视觉与模式识别 · 计算机科学 2026-02-27 Pol Labarbarie , Vincent Itier , William Puech

In this paper, we propose a novel defensive transformation that enables us to maintain a high classification accuracy under the use of both clean images and adversarial examples for adversarially robust defense. The proposed transformation…

计算机视觉与模式识别 · 计算机科学 2020-10-05 MaungMaung AprilPyone , Hitoshi Kiya

Currently, an increasing number of users and enterprises are storing their data in the cloud but do not fully trust cloud providers with their data in plaintext form. To address this concern, they encrypt their data before uploading it to…

密码学与安全 · 计算机科学 2025-01-07 Zhaokang Ke , Haoyu Gong , David H. C. Du

Privacy Security of data in Cloud Storage is one of the main issues. Many Frameworks and Technologies are used to preserve data security in cloud storage. [1] Proposes a framework which includes the design of data organization structure,…

密码学与安全 · 计算机科学 2012-05-15 Rajeev Bedi , Mohit Marwaha , Tajinder Singh , Harwinder Singh , Amritpal Singh

In this digital age, ensuring the security of digital data, especially the image data is critically important. Image encryption plays an important role in securing the online transmission/storage of images from unauthorized access. In this…

密码学与安全 · 计算机科学 2025-03-14 Hansa Ahsan , Safee Ullah , Jawad Ahmad , Aizaz Ahmad Khattak , Muhammad Ali , Muhammad Shahbaz Khan

As the volume of stored data continues to grow, identifying and protecting sensitive information within large repositories becomes increasingly challenging, especially when shared with multiple users with different roles and permissions.…

密码学与安全 · 计算机科学 2026-01-12 Mete Harun Akcay , Buse Gul Atli , Siddharth Prakash Rao , Alexandros Bakas

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 2023-05-24 Chun Pong Lau , Jiang Liu , Rama Chellappa

Classical techniques for protecting facial image privacy typically fall into two categories: data-poisoning methods, exemplified by Fawkes, which introduce subtle perturbations to images, or anonymization methods that generate images…

计算机视觉与模式识别 · 计算机科学 2023-10-20 Mariia Zameshina , Marlene Careil , Olivier Teytaud , Laurent Najman

Usage of the fast development of real-life digital applications in modern technology should guarantee novel and efficient way-outs of their protection. Encryption facilitates the data hiding. With the express development of technology,…

密码学与安全 · 计算机科学 2025-02-26 Sachith Dassanayaka

Secure cloud storage is an issue of paramount importance that both businesses and end-users should take into consideration before moving their data to, potentially, untrusted clouds. Migrating data to the cloud raises multiple privacy…

密码学与安全 · 计算机科学 2022-05-09 Alexandros Bakas , Antonis Michalas