Results 11 to 20 of about 2,122,188 (202)

Lossless Recovery Scheme for Grayscale Visual Cryptography Based on Random Grids

open access: yesJournal of Information Systems Engineering and Management
With the advancement of digitalization, the demand for grayscale image encryption has been increasing. Previous visual cryptography schemes for grayscale images have encountered issues such as information loss during recovery, poor recovery quality, and ...
Yanyan Han, Xiaoyu Huang, Lin Zhou
semanticscholar   +2 more sources

Image encryption lossless recovery method based on QR code and arithmetic coding

open access: yesJournal of Applied Optics, 2020
The QR code is introduced into the optical image encryption system as a data container, which can remove the speckle noise generated by the optical system when the image decryption is carried out, so that the decrypted image can be restored without loss. It is a very ideal and practical method for removing the noise. However, due to the limited storage
Bai Xing   +3 more
semanticscholar   +2 more sources

Lossless Recovery of Multiple Decryption Capability and Progressive Visual Secret Sharing

open access: yesInternational Journal of Grid and Distributed Computing, 2016
In order to solve the problem of non-restoration of PVSS, in this paper, we propose a method to recover the secret image without using the Boolean operation of the matrix matrix. In the lossless recovery process, each column base matrix will be "and" and "exclusive or" operation to get the original image anti-color image, and then the image can be ...
Xin Qi
semanticscholar   +2 more sources

A Novel Pixel Merging-Based Lossless Recovery Algorithm for Basic Matrix VSS

open access: yesInternational Journal of Digital Crime and Forensics, 2017
Lossless recovery in visual secret share (VSS) is very meaningful. In this paper, a novel lossless recovery algorithm for the basic matrix VSS is proposed.
Xin Liu   +3 more
semanticscholar   +2 more sources

FlowCrypt: Flow-Based Lightweight Encryption with Near-Lossless Recovery for Cloud Photo Privacy

open access: yesarXiv.org
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, typically built upon
Xiaohui Yang, Ping Ping, Feng Xu
semanticscholar   +3 more sources

ApproximateSecret Sharing in Field of Real Numbers [PDF]

open access: yesEntropy
In the era of big data, the security of information encryption systems has garnered extensive attention, particularly in critical domains such as financial transactions and medical data management.
Jiaqi Wan   +3 more
doaj   +2 more sources

Image Immunizer an Image Tamper Resilient Multi Task Learning Scheme for Image Lossless Auto-Recovery

open access: yesInternational Journal of Advanced Research in Science, Communication and Technology
Digital images are susceptible to a range of vulnerabilities and threats that can compromise security and privacy in online social networking sites. Image tampering attacks involve the unauthorized or deceptive alteration of digital images, often for the
Mohanapriya. E, Dr. Krithika. D. R.
semanticscholar   +2 more sources

Soft Switched Flyback Converter Using Active Lossless Snubber [PDF]

open access: yesAUT Journal of Electrical Engineering, 2022
In this paper, a new active lossless snubber circuit is proposed, which provides a soft-switching condition for the traditional Pulse Width Modulation (PWM) fly-back converter.
Monireh Ghorbanian   +2 more
doaj   +1 more source

Serial Decoders-Based Auto-Encoders for Image Reconstruction

open access: yesApplied Sciences, 2022
Auto-encoders are composed of coding and decoding units; hence, they hold an inherent potential of being used for high-performance data compression and signal-compressed sensing.
Honggui Li   +3 more
doaj   +1 more source

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