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Author

Cristian Randieri

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2 papers indexed here

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Open access Sep 2026

SFAD-Net: A Dual-Stream Spatial–Frequency Attention Network for Fingerprint Presentation Attack Detection

Fingerprint presentation attack detection (PAD) remains an open problem owing to continually developing spoofing schemes and large variations in sensors and acquisition conditions. In this paper, we propose SFAD-Net, a lightweight dual-stream spatial–frequency attention network for fingerprint presentation attack detec...

Eswar Karri, Archana Pallakonda, Rayappa David Amar Raj et al. · 0 citations
Open access Aug 2026

An Explainable Machine Learning Framework for Adaptive Multi-Mode CORDIC Iteration Optimization and Hardware-Efficient Computation

The Coordinate Rotation Digital Computer (CORDIC) algorithm is widely employed in digital signal processing and hardware accelerators because it computes a broad range of elementary functions using iterative shift-and-add operations. Conventional CORDIC implementations, however, execute a fixed number of iterations irr...

R. Sudheerbabu, L. Reghunath, Cristian Randieri et al. · 0 citations

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