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Based on fixed point theory, this paper proposes a simple but efficient method for image integrity authentication, which is different from Digital Signature and Fragile Watermarking. By this method, any given image can be transformed into a…

密码学与安全 · 计算机科学 2013-08-27 Xu Li , Xingming Sun , Quansheng Liu , Beijing Chen

Through a simulation-based study we develop a statistical model-based quantification method for atomic resolution first moment scanning transmission electron microscopy (STEM) images. This method uses the uniformly weighted least squares…

材料科学 · 物理学 2024-08-06 Yansong Hao , Annick De Backer , Scott David Findlay , Sandra Van Aert

A central goal within quantum optics is to realize efficient interactions between photons and atoms. A fundamental limit in nearly all applications based on such systems arises from spontaneous emission, in which photons are absorbed by…

量子物理 · 物理学 2017-08-30 A. Asenjo-Garcia , M. Moreno-Cardoner , A. Albrecht , H. J. Kimble , D. E. Chang

Purity and coherence of a quantum state are recognized as useful resources for various information processing tasks. In this article, we propose a fidelity based valid measure of purity and coherence monotone and establish a relationship…

量子物理 · 物理学 2021-04-09 Indrajith V S , R. Muthuganesan , R. Sankaranarayanan

The retrieval of data from computer hard drives that have been seized from police busts against suspected criminals are sometimes not straight forward. Typically the incriminating data, which may be important evidence in subsequent trials,…

密码学与安全 · 计算机科学 2020-04-28 Eric Järpe , Quentin Gouchet

A common practice of ML systems development concerns the training of the same model under different data sets, and the use of the same (training and test) sets for different learning models. The first case is a desirable practice for…

计算机科学中的逻辑 · 计算机科学 2025-06-06 Leonardo Ceragioli , Giuseppe Primiero

Digital forensic evidence acquisition speed is traditionally limited by two main factors: the read speed of the storage device being investigated, i.e., the read speed of the disk, memory, remote storage, mobile device, etc.), and the write…

计算机与社会 · 计算机科学 2016-10-21 Hannah Wolahan , Claudio Chico Lorenzo , Elias Bou-Harb , Mark Scanlon

Microscopic nuclear theory is based on the tenet that atomic nuclei can be accurately described as collections of point-like nucleons interacting via two- and many-body forces obeying nonrelativistic quantum mechanics -- and the concept of…

核理论 · 物理学 2023-10-27 R. Machleidt

Conceptualization, or viewing entities and situations as instances of abstract concepts in mind and making inferences based on that, is a vital component in human intelligence for commonsense reasoning. Despite recent progress in artificial…

计算与语言 · 计算机科学 2024-05-21 Mutian He , Tianqing Fang , Weiqi Wang , Yangqiu Song

We review a series of quantum memory protocols designed to store the quantum information carried by light into atomic ensembles. In particular, we show how a simple semiclassical formalism allows to gain insight into various memory…

量子物理 · 物理学 2019-08-28 Thierry Chanelière , Gabriel Hétet , Nicolas Sangouard

In this paper we introduce a new digital image forensics approach called forensic similarity, which determines whether two image patches contain the same forensic trace or different forensic traces. One benefit of this approach is that…

计算机视觉与模式识别 · 计算机科学 2020-04-22 Owen Mayer , Matthew C. Stamm

Indifferentiability is a popular cryptographic paradigm for analyzing the security of ideal objects -- both in a classical as well as in a quantum world. It is typically stated in the form of a composable and simulation-based definition,…

量子物理 · 物理学 2024-10-23 Joseph Carolan , Alexander Poremba , Mark Zhandry

Several quantities of interest in quantum information, including entanglement and purity, are nonlinear functions of the density matrix and cannot, even in principle, correspond to proper quantum observables. Any method aimed to determine…

量子物理 · 物理学 2009-08-25 Matteo G. A. Paris

Today, in digital forensics, images normally provide important information within an investigation. However, not all images may still be available within a forensic digital investigation as they were all deleted for example. Data carving…

密码学与安全 · 计算机科学 2017-08-31 Wybren van der Meer , Kim-Kwang Raymond Choo , Nhien-An Le-Khac , M-Tahar Kechadi

Any object on earth has two fundamental properties: it is finite, and it is made of atoms. Structural information about an object can be obtained from diffraction amplitude measurements that account for either one of these traits.…

光学 · 物理学 2015-05-13 S. Marchesini

Currently, numerous approaches exist supporting the implementation of forensic readiness and, indirectly, forensic-ready software systems. However, the terminology used in the approaches and their focus tends to vary. To facilitate the…

密码学与安全 · 计算机科学 2022-10-14 Lukas Daubner , Martin Macak , Raimundas Matulevičius , Barbora Buhnova , Sofija Maksović , Tomas Pitner

Coherence and entanglement are fundamental properties of quantum systems, promising to power the near future quantum computers, sensors and simulators. Yet, their experimental detection is challenging, usually requiring full reconstruction…

量子物理 · 物理学 2017-08-01 Graeme Smith , John A. Smolin , Xiao Yuan , Qi Zhao , Davide Girolami , Xiongfeng Ma

As cyber threats continue to evolve and diversify, it has become increasingly challenging to identify the root causes of security breaches that occur between periodic security assessments. This paper explores the fundamental importance of…

密码学与安全 · 计算机科学 2024-12-24 Prakhar Paliwal , Arjun Sable , Manjesh K. Hanawal

A central notion in U.S. copyright law is judging the substantial similarity between an original and an (allegedly) derived work. Capturing this notion has proven elusive, and the many approaches offered by case law and legal scholarship…

计算机与社会 · 计算机科学 2022-06-16 Sarah Scheffler , Eran Tromer , Mayank Varia

No consensus seems to exist as to what constitutes a measurement which is still considered somewhat mysterious in many respects in quantum mechanics. At successive stages mathematical theory of measure, metrology and measurement theory…

量子物理 · 物理学 2008-11-21 Paolo Rocchi , Orlando Panella