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Lossy compression algorithms aim to compactly encode images in a way which enables to restore them with minimal error. We show that a key limitation of existing algorithms is that they rely on error measures that are extremely sensitive to…

Computer Vision and Pattern Recognition · Computer Science 2018-04-13 Tamar Rott Shaham , Tomer Michaeli

Quantum data hiding is the existence of pairs of bipartite quantum states that are (almost) perfectly distinguishable with global measurements, yet close to indistinguishable when only measurements implementable with local operations and…

Quantum Physics · Physics 2025-10-07 Francesco Anna Mele , Ludovico Lami

Establishing hidden communication is an important subject of discussion that has gained increasing importance nowadays with the development of the internet. One of the key methods for establishing hidden communication is steganography.…

Multimedia · Computer Science 2011-03-07 G. Sahoo , Rajesh Kumar Tiwari

This paper presents some applications using recently developed algorithms for smooth-continuous data reconstruction based on the digital-discrete method. The classical discrete method for data reconstruction is based on domain decomposition…

Numerical Analysis · Mathematics 2010-03-23 Li Chen

We introduce a steganographic information hiding scheme based on structural properties of numerical semigroups arising from the Frobenius coin problem. Instead of encoding data through representable integers, the proposed protocol embeds…

Combinatorics · Mathematics 2026-02-05 Jean-Christophe Pain

Information Hiding is considered very important part of our lives. There exist many techniques for securing the information. This paper briefs on the techniques for information hiding and the potential threats to those methods. This paper…

Cryptography and Security · Computer Science 2014-04-17 Richa Gupta

This paper presents some applications of using recently developed algorithms for smooth-continuous data reconstruction based on the digital-discrete method. The classical discrete method for data reconstruction is based on domain…

Numerical Analysis · Mathematics 2010-03-12 Li Chen

We propose a space-efficient algorithm for hidden surface removal that combines one of the fastest previous algorithms for that problem with techniques based on bit manipulation. Such techniques had been successfully used in other settings,…

Computational Geometry · Computer Science 2017-01-10 Frank Kammer , Maarten Löffler , Rodrigo I. Silveira

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

Embeddings, which compress information in raw text into semantics-preserving low-dimensional vectors, have been widely adopted for their efficacy. However, recent research has shown that embeddings can potentially leak private information…

Computation and Language · Computer Science 2022-10-07 Garam Lee , Minsoo Kim , Jai Hyun Park , Seung-won Hwang , Jung Hee Cheon

Dimension reduction is often needed in the area of data mining. The goal of these methods is to map the given high-dimensional data into a low-dimensional space preserving certain properties of the initial data. There are two kinds of…

Numerical Analysis · Mathematics 2015-03-23 Yanlai Chen

Data hiding with deep neural networks (DNNs) has experienced impressive successes in recent years. A prevailing scheme is to train an autoencoder, consisting of an encoding network to embed (or transform) secret messages in (or into) a…

Cryptography and Security · Computer Science 2022-10-06 Haoyu Chen , Linqi Song , Zhenxing Qian , Xinpeng Zhang , Kede Ma

Traditional image steganography modifies the content of the image more or less, it is hard to resist the detection of image steganalysis tools. To address this problem, a novel method named generative coverless information hiding method…

Cryptography and Security · Computer Science 2017-12-20 Ming-ming Liu , Min-qing Zhang , Jia Liu , Ying-nan Zhang , Yan Ke

Steganography is the art of concealing a secret message within an appropriate-multimedia carrier such as images, audio, video files, and even network packets. Steganographic techniques have been used since ancient times to hide the message…

Cryptography and Security · Computer Science 2020-12-25 Joab Kose , Oscar Bautista Chia , Vashish Baboolal

Several anonymization techniques, such as generalization and bucketization, have been designed for privacy preserving microdata publishing. Recent work has shown that generalization loses considerable amount of information, especially for…

Databases · Computer Science 2009-09-15 Tiancheng Li , Ninghui Li , Jian Zhang , Ian Molloy

The use of steganography to transmit secret data is becoming increasingly common in security products and malware today. Despite being extremely popular, PDF files are not often the focus of steganography research, as most applications…

Cryptography and Security · Computer Science 2024-05-03 Ryan Klemm , Bo Chen

This work proposes Steganographic technique for hiding multiple images in a color image based on DWT and DCT. The cover image is decomposed into three separate color planes namely R, G and B. Individual planes are decomposed into subbands…

Cryptography and Security · Computer Science 2023-07-19 Tanmay Bhattacharya , Nilanjan Dey , S. R. Bhadra Chaudhuri

As machine learning becomes a practice and commodity, numerous cloud-based services and frameworks are provided to help customers develop and deploy machine learning applications. While it is prevalent to outsource model training and…

Cryptography and Security · Computer Science 2018-07-16 Tianwei Zhang , Zecheng He , Ruby B. Lee

As the complexity of current data flow systems and according infrastructure networks increases, the security of data transition through such platforms becomes more important. Thus, different areas of steganography turn to one of the most…

Hardware Architecture · Computer Science 2016-10-04 Masoom Nazari , Mina Zolfy Lighvan , Ziaeddin Daie Koozekonani , Ali Sadeghi

We propose here a new model of encryption of binary data taking advantage of the complexity associated with delayed dynamics. In this scheme, the encryption process is a coupling dynamics with various time delays between different bits in…

Computational Physics · Physics 2009-10-31 Toru Ohira