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In this paper, a novel strategy of Secure Steganograpy based on Generative Adversarial Networks is proposed to generate suitable and secure covers for steganography. The proposed architecture has one generative network, and two…

Computer Vision and Pattern Recognition · Computer Science 2018-11-27 Haichao Shi , Jing Dong , Wei Wang , Yinlong Qian , Xiaoyu Zhang

Data steganography aims to conceal information within visual content, yet existing spatial- and frequency-domain approaches suffer from trade-offs between security, capacity, and perceptual quality. Recent advances in generative models,…

Machine Learning · Computer Science 2025-05-19 Tianshuo Zhang , Gao Jia , Wenzhe Zhai , Rui Yann , Xianglei Xing

Medical Image Segmentation is a useful application for medical image analysis including detecting diseases and abnormalities in imaging modalities such as MRI, CT etc. Deep learning has proven to be promising for this task but usually has a…

Image and Video Processing · Electrical Eng. & Systems 2023-02-08 Soham Bhosale , Arjun Krishna , Ge Wang , Klaus Mueller

Steganography is the art of hiding data, in such a way that it is undetectable under traffic-pattern analysis and the data hidden is only known to the receiver and the sender. In this paper new method of text steganography over the silence…

Multimedia · Computer Science 2016-10-17 Muhammad Fahad Khan , Faisal Baig , Saira Beg

We present an effective and efficient method that explores the properties of Transformers in the frequency domain for high-quality image deblurring. Our method is motivated by the convolution theorem that the correlation or convolution of…

Computer Vision and Pattern Recognition · Computer Science 2022-11-23 Lingshun Kong , Jiangxin Dong , Mingqiang Li , Jianjun Ge , Jinshan Pan

Hyperspectral imaging is one of the most promising techniques for intraoperative tissue characterisation. Snapshot mosaic cameras, which can capture hyperspectral data in a single exposure, have the potential to make a real-time…

Image and Video Processing · Electrical Eng. & Systems 2021-12-02 Peichao Li , Michael Ebner , Philip Noonan , Conor Horgan , Anisha Bahl , Sebastien Ourselin , Jonathan Shapey , Tom Vercauteren

Various deepfake detectors have been proposed, but challenges still exist to detect images of unknown categories or GAN models outside of the training settings. Such issues arise from the overfitting issue, which we discover from our own…

Computer Vision and Pattern Recognition · Computer Science 2022-02-08 Yonghyun Jeong , Doyeon Kim , Youngmin Ro , Jongwon Choi

Digital steganography is becoming a common tool for protecting sensitive communications in various applications such as crime(terrorism) prevention whereby law enforcing personals need to remotely compare facial images captured at the scene…

Multimedia · Computer Science 2020-04-28 Alan A. Abdulla , Harin Sellahewa , Sabah A. Jassim

A new coverless image information hiding method based on generative model is proposed, we feed the secret image to the generative model database, and generate a meaning-normal and independent image different from the secret image, then, the…

Computer Vision and Pattern Recognition · Computer Science 2018-02-13 Xintao Duan , Haoxian Song

Currently, image generation and synthesis have remarkably progressed with generative models. Despite photo-realistic results, intrinsic discrepancies are still observed in the frequency domain. The spectral discrepancy appeared not only in…

Computer Vision and Pattern Recognition · Computer Science 2024-03-11 Seokjun Lee , Seung-Won Jung , Hyunseok Seo

Removing rain degradations in images is recognized as a significant issue. In this field, deep learning-based approaches, such as Convolutional Neural Networks (CNNs) and Transformers, have succeeded. Recently, State Space Models (SSMs)…

Computer Vision and Pattern Recognition · Computer Science 2024-12-10 Shugo Yamashita , Masaaki Ikehara

Spatial frequency analysis and transforms serve a central role in most engineered image and video lossy codecs, but are rarely employed in neural network (NN)-based approaches. We propose a novel NN-based image coding framework that…

Image and Video Processing · Electrical Eng. & Systems 2023-01-04 Hyomin Choi , Fabien Racape , Shahab Hamidi-Rad , Mateen Ulhaq , Simon Feltman

Steganography derives from the Greek word steganos, meaning covered or secret, and graphy (writing or drawing). Steganography is a technology where modern data compression, information theory, spread spectrum, and cryptography technologies…

Multimedia · Computer Science 2014-01-23 C. P. Sumathi , T. Santanam , G. Umamaheswari

Steganalysis has been an important research topic in cybersecurity that helps to identify covert attacks in public network. With the rapid development of natural language processing technology in the past two years, coverless steganography…

Cryptography and Security · Computer Science 2018-10-19 Zhongliang Yang , Nan Wei , Junyi Sheng , Yongfeng Huang , Yu-Jin Zhang

We present a novel deep learning framework that models the scene dependent image processing inside cameras. Often called as the radiometric calibration, the process of recovering RAW images from processed images (JPEG format in the sRGB…

Computer Vision and Pattern Recognition · Computer Science 2017-07-27 Seonghyeon Nam , Seon Joo Kim

Deep networks have shown impressive performance in the image restoration tasks, such as image colorization. However, we find that previous approaches rely on the digital representation from single color model with a specific mapping…

Computer Vision and Pattern Recognition · Computer Science 2024-08-09 Xiangcheng Du , Zhao Zhou , Yanlong Wang , Zhuoyao Wang , Yingbin Zheng , Cheng Jin

Deep steganography utilizes the powerful capabilities of deep neural networks to embed and extract messages, but its reliance on an additional message extractor limits its practical use due to the added suspicion it can raise from…

Cryptography and Security · Computer Science 2025-03-27 Jia Liu , Peng Luo , Yan Ke , Dang Qian , Zhang Minqing , Mu Dejun

Recent advances in deep generative models for photo-realistic images have led to high quality visual results. Such models learn to generate data from a given training distribution such that generated images can not be easily distinguished…

Computer Vision and Pattern Recognition · Computer Science 2021-01-01 Steffen Jung , Margret Keuper

For as long as humans have participated in the act of communication, concealing information in those communicative mediums has manifested into an art of its own. Crytographic messages, through written language or images, are a means of…

Cryptography and Security · Computer Science 2020-06-09 Nibraas Khan , Ruj Haan , George Boktor , Michael McComas , Ramin Daneshi

The field of steganography has long been focused on developing methods to securely embed information within various digital media while ensuring imperceptibility and robustness. However, the growing sophistication of detection tools and the…

Cryptography and Security · Computer Science 2024-12-03 Waheed Rehman