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Related papers: Compression of executable QR codes or sQRy for Ind…

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Executable QR codes, also known as eQR codes or just sQRy, are a special kind of QR codes that embed programs conceived to run on mobile devices like smartphones. Since the program is directly encoded in binary form within the QR code, it…

Networking and Internet Architecture · Computer Science 2024-11-21 Stefano Scanzio , Francesco Velluto , Matteo Rosani , Lukasz Wisniewski , Gianluca Cena

Executable QR codes, also known as sQRy, are a technology aimed at inserting executable programs in a QR code. Through a concrete example, in this paper, we demonstrate their usage in the context of industrial networks in order to assess…

Networking and Internet Architecture · Computer Science 2025-12-02 Stefano Scanzio , Pietro Chiavassa , Gianluca Cena

QR codes are nowadays customarily used for embedding static data such as web hyperlinks or plain text. The sQRy technology (executable QR codes) permits to embed executable programs in QR codes, enabling people to interact with them even…

Human-Computer Interaction · Computer Science 2026-01-21 Stefano Scanzio , Paolo Campagnale , Pietro Chiavassa , Gianluca Cena

Embedding a programming language in a QR code is a new and extremely promising opportunity, as it makes devices and objects smarter without necessarily requiring an Internet connection. In this paper, all the steps needed to translate a…

Networking and Internet Architecture · Computer Science 2024-04-09 Stefano Scanzio , Gianluca Cena , Adriano Valenzano

Quick response codes - 2D patterns that can be scanned to access online resources - are being used in a variety of industrial and consumer applications. However, it is problematic to use multiple QR codes in close proximity: scans can fail…

Computers and Society · Computer Science 2015-10-29 Mercan Topkara , Thomas Erickson , Umut Topkara , Chandrasekhar Narayanaswami

In this paper the author present a new technique of using QR Codes (commonly known as 'Quick Respond Codes') in the field of Cryptography. QR Codes are mainly used to convey or store messages because they have higher or large storage…

Cryptography and Security · Computer Science 2012-05-23 Somdip Dey

This specification document specifies the syntax and semantics of QRscript. The current document only shows the part related to the QRscript header, i.e., the first part of the binary code that must be inserted into the QR code. A QR code…

Networking and Internet Architecture · Computer Science 2024-03-08 Stefano Scanzio , Matteo Rosani , Mattia Scamuzzi , Gianluca Cena

Quantum repeaters (QRs) provide a way of enabling long distance quantum communication by establishing entangled qubits between remote locations. We investigate a new approach to QRs in which quantum information can be faithfully transmitted…

In various wireless systems, such as sensor RFID networks and body area networks with implantable devices, the transmitted signals are simultaneously used both for information transmission and for energy transfer. In order to satisfy the…

Information Theory · Computer Science 2016-11-18 Ali Mohammad Fouladgar , Osvaldo Simeone , Elza Erkip

Globally, individuals and organizations employ Quick Response (QR) codes for swift and convenient communication. Leveraging this, cybercriminals embed falsify and misleading information in QR codes to launch various phishing attacks which…

Cryptography and Security · Computer Science 2025-10-21 Muhammad Wahid Akram , Keshav Sood , Muneeb Ul Hassan

Run-length limited (RLL) codes are a well-studied class of constrained codes having application in diverse areas such as optical and magnetic data recording systems, DNA-based storage, and visible light communication. RLL codes have also…

Information Theory · Computer Science 2018-07-25 Anshoo Tandon , Mehul Motani , Lav R. Varshney

We present a new data structure called the \emph{Compressed Random Access Memory} (CRAM) that can store a dynamic string $T$ of characters, e.g., representing the memory of a computer, in compressed form while achieving asymptotically…

Data Structures and Algorithms · Computer Science 2015-03-17 Jesper Jansson , Kunihiko Sadakane , Wing-Kin Sung

The usage of quick response (QR) codes was limited in the pre-era of the COVID-19 pandemic. Due to the widespread and frequent application since then, this opened up an attractive phishing opportunity for malicious actors. They trick users…

Cryptography and Security · Computer Science 2024-07-24 Marvin Geisler , Daniela Pöhn

This letter proposes to employ intelligent reflecting surface (IRS) as an information media to display a microwave quick response (QR) code for Internet-of-Things applications. To be specific, an IRS is used to form a dynamic bitmap image…

Signal Processing · Electrical Eng. & Systems 2022-08-08 Sai Xu , Yanan Du , Jiliang Zhang , Jie Zhang

QR codes have become ubiquitous in daily life, enabling rapid information exchange. With the increasing adoption of smart wearable devices, there is a need for efficient, and friction-less QR code reading capabilities from Egocentric…

Computer Vision and Pattern Recognition · Computer Science 2024-10-10 Mohsen Moslehpour , Yichao Lu , Pierce Chuang , Ashish Shenoy , Debojeet Chatterjee , Abhay Harpale , Srihari Jayakumar , Vikas Bhardwaj , Seonghyeon Nam , Anuj Kumar

Quantum information is fragile and must be protected by a quantum error-correcting code for large-scale practical applications. Recently, highly efficient quantum codes have been discovered which require a high degree of spatial…

Quantum Physics · Physics 2026-04-27 Nouédyn Baspin , Dominic Williamson

Circuit cutting allows quantum circuits larger than the available hardware to be executed. Cutting techniques split circuits into smaller subcircuits, run them on the hardware, and recombine results through classical post-processing.…

Quantum Physics · Physics 2024-11-28 Songqinghao Yang , Prakash Murali

Quick Response (QR) code is one of the most worldwide used two-dimensional codes.~Traditional QR codes appear as random collections of black-and-white modules that lack visual semantics and aesthetic elements, which inspires the recent…

Computer Vision and Pattern Recognition · Computer Science 2020-11-17 Hao Su , Jianwei Niu , Xuefeng Liu , Qingfeng Li , Ji Wan , Mingliang Xu , Tao Ren

We present sqire, a low-level language for quantum computing and verification. sqire uses a global register of quantum bits, allowing easy compilation to and from existing `quantum assembly' languages and simplifying the verification…

Logic in Computer Science · Computer Science 2019-12-09 Kesha Hietala , Robert Rand , Shih-Han Hung , Xiaodi Wu , Michael Hicks

Barcodes like QR Codes have made that encoded messages have entered our everyday life, what suggests to attach them a second layer of information: directly available to human receiver for informational or marketing purposes. We will discuss…

Information Theory · Computer Science 2012-12-04 Jarek Duda
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