Results 21 to 30 of about 11,453,864 (231)

Design and Implementation of Automated Steganography Image-Detection System for the KakaoTalk Instant Messenger

Computers, 2020
As the popularity of social network service (SNS) messengers (such as Telegram, WeChat or KakaoTalk) grows rapidly, cyberattackers and cybercriminals start targeting them, and from various media, we can see numerous cyber incidents that have occurred in ...
Jun Park, Youngho Cho
doaj   +1 more source

Image hiding by using spatial domain steganography

Wasit Journal of Computer and Mathematics Science, 2023
This article provides an overview of steganography and its use for hiding images in other images. Steganography is a technique that allows users to hide information in plain sight, making it difficult for unauthorized parties to detect or access the ...
Ghazali Bin Sulong, Maria A.Wimmer
doaj   +1 more source

Payload location for JPEG image steganography based on co-frequency sub-image filtering

International Journal of Distributed Sensor Networks, 2020
In digital steganography, due to difficulties estimating the JPEG cover image, it is still very hard to accurately locate the hidden message embedded in a JPEG image.
Jie Wang, Chunfang Yang, Ping Wang, Xiaofeng Song, Jicang Lu   +4 more
doaj   +1 more source

A method for automatic identification of signatures of steganography software [PDF]

, 2010
A fully automated, blind, media-type agnostic approach to steganalysis is presented here. Steganography may sometimes be exposed by detecting automatically characterized regularities in output media caused by weak implementations of steganography ...
Graeme Bell, Lee, Y-K., Graeme Bell, Bell, G., Yeuan-kuen Lee   +4 more
core   +1 more source

Perbandingan Kapasitas Pesan pada Steganografi DCT Sekuensial dan Steganografi DCT F5 dengan Penerapan Point Operation Image Enhancement

IJCCS (Indonesian Journal of Computing and Cybernetics Systems), 2016
Steganographic  process on the DCT transform is generally done on the value of DCT quantization process results that have a value other than 0, this relates to the distribution of the diversity of pixels in the image.
Dian Hafidh Zulfikar, Agus Harjoko
doaj   +1 more source

AN ENHANCED APPROACH UTILIZING AN OPTIMIZED DISCRETE WAVELET TRANSFORM FOR IMAGE STEGANOGRAPHY IN MEDICAL IMAGING

Mağallaẗ Al-kūfaẗ Al-handasiyyaẗ
Image steganography constitutes a specific form of steganography wherein an image is employed as the concealing medium. Medical Image Steganography represents a distinctive subfield within the broader domain of Image Steganography.
Hayder A. Hadi, Haider S. Al-Mumen, Mustafa R. Ismael   +2 more
doaj   +1 more source

Applications of Deep Learning in Image Steganography [PDF]

Annals of Dunarea de Jos University. Fascicle I : Economics and Applied Informatics
The current paper presents the concept of steganography, with a focus on image steganography. It outlines a few relevant techniques for image steganography. Provides implementation details and a comparative evaluation of design and results.
Adrian Doroiman
doaj   +1 more source

Chaotic color multi-image compression-encryption/ LSB data type steganography scheme for NFT transaction security

Journal of King Saud University: Computer and Information Sciences, 2023
With the rapid development of blockchain technology, the security of non-fungible tokens (NFT) in the transaction process has attracted much attention.
Zheyi Zhang, Yinghong Cao, Hadi Jahanshahi, Jun Mou   +3 more
doaj   +1 more source

Comparative Drug Response Profiling in Neuroblastoma Cell Lines and Patient‐Derived Tumor Organoids

Pediatric Blood &Cancer, EarlyView.
ABSTRACT High‐risk neuroblastoma remains a leading cause of pediatric cancer mortality, and improved preclinical models are needed to guide therapeutic developments. We screened seven high‐risk neuroblastoma cell lines and three patient‐derived tumor organoids with 528 compounds alongside bone marrow controls, and compared them with external datasets ...
Krzysztof Wierbiłowicz, Se Whee Sammy Park, Aironas Los, Ernest Liu, Nona Struyf, Tom Erkers, Sören Lehmann, Jan J. Molenaar, Jakob Stenman, Olli Kallioniemi, Päivi Östling, Brinton Seashore‐Ludlow, Kasper Karlsson   +12 more
wiley   +1 more source

Referral Patterns and Diagnostic Timeliness in Pediatric Cancer: A Hospital‐Based Study in Indonesia

Pediatric Blood &Cancer, EarlyView.
ABSTRACT Background Timely diagnosis and treatment are critical for improving survival among children with cancer. In low‐ and middle‐income countries (LMICs), delays are common and may be influenced by fragmented referral pathways and diagnostic limitations.
Nur Melani Sari, Regina Hadi Putri, Fatimah Assyifa, Judith Spijkerman, Gertjan Johannes Kaspers, Susi Susanah   +5 more
wiley   +1 more source