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In this paper, we address the problem of modeling a printing-imaging channel built on a machine learning approach a.k.a. digital twin for anti-counterfeiting applications based on copy detection patterns (CDP). The digital twin is…

Computer Vision and Pattern Recognition · Computer Science 2022-11-01 Yury Belousov , Brian Pulfer , Roman Chaban , Joakim Tutt , Olga Taran , Taras Holotyak , Slava Voloshynovskiy

Copy detection pattern (CDP) is a novel solution for products' protection against counterfeiting, which gains its popularity in recent years. CDP attracts the anti-counterfeiting industry due to its numerous benefits in comparison to…

Cryptography and Security · Computer Science 2022-10-12 Roman Chaban , Olga Taran , Joakim Tutt , Yury Belousov , Brian Pulfer , Taras Holotyak , Slava Voloshynovskiy

Nowadays, copy detection patterns (CDP) appear as a very promising anti-counterfeiting technology for physical object protection. However, the advent of deep learning as a powerful attacking tool has shown that the general authentication…

Computer Vision and Pattern Recognition · Computer Science 2022-12-15 Joakim Tutt , Olga Taran , Roman Chaban , Brian Pulfer , Yury Belousov , Taras Holotyak , Slava Voloshynovskiy

This paper explores the potential of synthetic physical Copy Detection Patterns (CDP) to improve the robustness of anti-counterfeiting systems. By leveraging synthetic physical CDP, we aim at enhancing security and cost-effectiveness across…

Cryptography and Security · Computer Science 2024-10-04 Roman Chaban , Brian Pulfer , Slava Voloshynovskiy

Copy detection patterns (CDP) are recent technologies for protecting products from counterfeiting. However, in contrast to traditional copy fakes, deep learning-based fakes have shown to be hardly distinguishable from originals by…

Computer Vision and Pattern Recognition · Computer Science 2022-10-03 Brian Pulfer , Yury Belousov , Joakim Tutt , Roman Chaban , Olga Taran , Taras Holotyak , Slava Voloshynovskiy

Remote sensing change detection is crucial for understanding the dynamics of our planet's surface, facilitating the monitoring of environmental changes, evaluating human impact, predicting future trends, and supporting decision-making. In…

Computer Vision and Pattern Recognition · Computer Science 2024-01-15 Wele Gedara Chaminda Bandara , Nithin Gopalakrishnan Nair , Vishal M. Patel

Protection of physical objects against counterfeiting is an important task for the modern economies. In recent years, the high-quality counterfeits appear to be closer to originals thanks to the rapid advancement of digital technologies. To…

Cryptography and Security · Computer Science 2021-10-06 Olga Taran , Joakim Tutt , Taras Holotyak , Roman Chaban , Slavi Bonev , Slava Voloshynovskiy

Copy Detection Patterns (CDPs) are crucial elements in modern security applications, playing a vital role in safeguarding industries such as food, pharmaceuticals, and cosmetics. Current performance evaluations of CDPs predominantly rely on…

Cryptography and Security · Computer Science 2024-09-27 Joakim Tutt , Slava Voloshynovskiy

Denoising diffusion probabilistic models (DDPM) are a class of generative models which have recently been shown to produce excellent samples. We show that with a few simple modifications, DDPMs can also achieve competitive log-likelihoods…

Machine Learning · Computer Science 2021-02-22 Alex Nichol , Prafulla Dhariwal

A digital twin is a surrogate model that has the main feature to mirror the original process behavior. Associating the dynamical process with a digital twin model of reduced complexity has the significant advantage to map the dynamics with…

Numerical Analysis · Mathematics 2024-03-19 Diana Alina Bistrian , Omer San , Ionel Michael Navon

In the recent years, the copy detection patterns (CDP) attracted a lot of attention as a link between the physical and digital worlds, which is of great interest for the internet of things and brand protection applications. However, the…

Cryptography and Security · Computer Science 2022-05-19 Olga Taran , Joakim Tutt , Taras Holotyak , Roman Chaban , Slavi Bonev , Slava Voloshynovskiy

This study explores the generation of synthesized fingerprint images using Denoising Diffusion Probabilistic Models (DDPMs). The significant obstacles in collecting real biometric data, such as privacy concerns and the demand for diverse…

Computer Vision and Pattern Recognition · Computer Science 2024-05-09 Freddie Grabovski , Lior Yasur , Yaniv Hacmon , Lior Nisimov , Stav Nimrod

The task of industrial detection based on deep learning often involves solving two problems: (1) obtaining sufficient and effective data samples, (2) and using efficient and convenient model training methods. In this paper, we introduce a…

Computer Vision and Pattern Recognition · Computer Science 2024-07-08 Yangfan He , Xinyan Wang , Tianyu Shi

The rapid advancement of Artificial Intelligence (AI) in biomedical imaging and radiotherapy is hindered by the limited availability of large imaging data repositories. With recent research and improvements in denoising diffusion…

Image and Video Processing · Electrical Eng. & Systems 2024-03-27 Rowan Bradbury , Katherine A. Vallis , Bartlomiej W. Papiez

Copy detection patterns (CDP) are an attractive technology that allows manufacturers to defend their products against counterfeiting. The main assumption behind the protection mechanism of CDP is that these codes printed with the smallest…

Cryptography and Security · Computer Science 2022-06-28 Brian Pulfer , Roman Chaban , Yury Belousov , Joakim Tutt , Olga Taran , Taras Holotyak , Slava Voloshynovskiy

Nowadays, the modern economy critically requires reliable yet cheap protection solutions against product counterfeiting for the mass market. Copy detection patterns (CDP) are considered as such solution in several applications. It is…

Cryptography and Security · Computer Science 2021-10-07 Roman Chaban , Olga Taran , Joakim Tutt , Taras Holotyak , Slavi Bonev , Slava Voloshynovskiy

The recent advancement of information and communication technology makes digitalisation of an entire manufacturing shop-floor possible where physical processes are tightly intertwined with their cyber counterparts. This led to an emergence…

Software Engineering · Computer Science 2021-02-08 Heejong Park , Arvind Easwaran , Sidharta Andalam

Deep learning (DL)-based methods have recently shown great promise in bitemporal change detection (CD). Existing discriminative methods based on Convolutional Neural Networks (CNNs) and Transformers rely on discriminative representation…

Computer Vision and Pattern Recognition · Computer Science 2024-03-05 Yihan Wen , Xianping Ma , Xiaokang Zhang , Man-On Pun

In this work, we address the challenge of multi-task image generation with limited data for denoising diffusion probabilistic models (DDPM), a class of generative models that produce high-quality images by reversing a noisy diffusion…

Machine Learning · Computer Science 2023-11-29 Delaram Pirhayatifard , Mohammad Taha Toghani , Guha Balakrishnan , César A. Uribe

Denoising Diffusion Probabilistic Models (DDPMs) have emerged as a powerful family of generative models that can yield high-fidelity samples and competitive log-likelihoods across a range of domains, including image and speech synthesis.…

Machine Learning · Computer Science 2021-06-08 Daniel Watson , Jonathan Ho , Mohammad Norouzi , William Chan
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