papers

Publications (17)

cs.CV2025

Trans-defense: Transformer-based Denoiser for Adversarial Defense with Spatial-Frequency Domain Representation

Alik Pramanick, Mayank Bansal, Utkarsh Srivastava +2

In recent times, deep neural networks (DNNs) have been successfully adopted for various applications. Despite their notable achievements, it has become evident that DNNs are vulner…

cs.CV2022

Resolving Semantic Confusions for Improved Zero-Shot Detection

Sandipan Sarma, Sushil Kumar, Arijit Sur

Zero-shot detection (ZSD) is a challenging task where we aim to recognize and localize objects simultaneously, even when our model has not been trained with visual samples of a few…

cs.CV2024

Harnessing Multi-resolution and Multi-scale Attention for Underwater Image Restoration

Alik Pramanick, Arijit Sur, V. Vijaya Saradhi

Underwater imagery is often compromised by factors such as color distortion and low contrast, posing challenges for high-level vision tasks. Recent underwater image restoration (UI…

cs.CL2025

Universal Adversarial Suffixes for Language Models Using Reinforcement Learning with Calibrated Reward

Sampriti Soor, Suklav Ghosh, Arijit Sur

Language models are vulnerable to short adversarial suffixes that can reliably alter predictions. Previous works usually find such suffixes with gradient search or rule-based metho…

cs.CV2024

ML-CrAIST: Multi-scale Low-high Frequency Information-based Cross black Attention with Image Super-resolving Transformer

Alik Pramanick, Utsav Bheda, Arijit Sur

Recently, transformers have captured significant interest in the area of single-image super-resolution tasks, demonstrating substantial gains in performance. Current models heavily…

cs.MM2021

Multi-Contextual Design of Convolutional Neural Network for Steganalysis

Brijesh Singh, Arijit Sur, Pinaki Mitra

In recent times, deep learning-based steganalysis classifiers became popular due to their state-of-the-art performance. Most deep steganalysis classifiers usually extract noise res…