Search Results for author: Brian Pulfer

Found 7 papers, 2 papers with code

Mathematical model of printing-imaging channel for blind detection of fake copy detection patterns

no code implementations14 Dec 2022 Joakim Tutt, Olga Taran, Roman Chaban, Brian Pulfer, Yury Belousov, Taras Holotyak, Slava Voloshynovskiy

Nowadays, copy detection patterns (CDP) appear as a very promising anti-counterfeiting technology for physical object protection.

Copy Detection

Solving the Weather4cast Challenge via Visual Transformers for 3D Images

1 code implementation5 Dec 2022 Yury Belousov, Sergey Polezhaev, Brian Pulfer

Accurately forecasting the weather is an important task, as many real-world processes and decisions depend on future meteorological conditions.

Digital twins of physical printing-imaging channel

no code implementations28 Oct 2022 Yury Belousov, Brian Pulfer, Roman Chaban, Joakim Tutt, Olga Taran, Taras Holotyak, Slava Voloshynovskiy

In this paper, we address the problem of modeling a printing-imaging channel built on a machine learning approach a. k. a.

Copy Detection Decoder +1

Printing variability of copy detection patterns

no code implementations11 Oct 2022 Roman Chaban, Olga Taran, Joakim Tutt, Yury Belousov, Brian Pulfer, Taras Holotyak, Slava Voloshynovskiy

Since digital off-set printing represents great flexibility in terms of product personalized in comparison with traditional off-set printing, it looks very interesting to address the above concerns for digital off-set printers that are used by several companies for the CDP protection of physical objects.

Copy Detection

Anomaly localization for copy detection patterns through print estimations

no code implementations29 Sep 2022 Brian Pulfer, Yury Belousov, Joakim Tutt, Roman Chaban, Olga Taran, Taras Holotyak, Slava Voloshynovskiy

Systems based on classical supervised learning and digital templates assume knowledge of fake CDP at training time and cannot generalize to unseen types of fakes.

Copy Detection

Authentication of Copy Detection Patterns under Machine Learning Attacks: A Supervised Approach

no code implementations23 Jun 2022 Brian Pulfer, Roman Chaban, Yury Belousov, Joakim Tutt, Olga Taran, Taras Holotyak, Slava Voloshynovskiy

While Deep Learning (DL) can be used as a part of the authentication system, to the best of our knowledge, none of the previous works has studied the performance of a DL-based authentication system against ML-based attacks on CDP with 1x1 symbol size.

BIG-bench Machine Learning Copy Detection

Mind the Gap! A Study on the Transferability of Virtual vs Physical-world Testing of Autonomous Driving Systems

1 code implementation21 Dec 2021 Andrea Stocco, Brian Pulfer, Paolo Tonella

In this paper, we shed light on the problem of generalizing testing results obtained in a driving simulator to a physical platform and provide a characterization and quantification of the sim2real gap affecting SDC testing.

Autonomous Driving Neural Rendering +2

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