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Author

Nirmalya Kar

2 papers indexed here

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Conference Sep 2026

Deep Learning-Based Fingerprint Liveness Detection Using Hybrid EfficientNetB4-ViT Architecture with Texture Enhancement

Fingerprint-based biometric systems are widely used in security-critical applications. However, they remain vulnerable to spoofing attacks involving artificial finger replicas made from materials such as silicone, gelatin, and latex. Existing liveness detection methods based on handcrafted features often fail to genera...

Niladri Das, Prashant Verma, Priyanka Biswas et al. · 0 citations
Review Open access Aug 2026

Application-Layer DDoS Attacks and Defences: A Taxonomy, Comparative Evaluation Framework, and Research Directions

This work explores various categories of DDoS attacks, encompassing volumetric and protocol-focused attacks, with a particular focus on application-layer attacks, classifying them into Protocol-specific attacks and Generic attacks and extends the taxonomy with post-2020 developments containerized and cloud native low-r...

Aditya Arsh, Priyanka Biswas, Nirmalya Kar · 0 citations

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