2 articles for “K. Amudha”

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Research ArticleOpen accessIn the author namesRobust Adversarial Attack Detection via Generative Adversarial Network With Residual Multi-Layer Aggregation Based Contrastive Loss FunctionAmudha Gopalakrishnan, Nalini JosephAdversarial attacks in medical imaging refer to subtle modifications to images that mislead diagnostic systems, resulting in inaccurate diagnoses and assessments. These attacks exploit vulnerabilities in image processing, leading to misclassification or altered visual features that often go unnoticed. This raises serious concerns about the security and reliability of medical diagnosis, directly impacting clinical decision-making and patient safety. This research … …Journal of Computer Science, Vol. 22, Issue 1 · 10 Feb 2026 · 1,742 accessesView PDF Cite

Research ArticleOpen accessIn the author namesHuman Visual Sensitivity Guided Bit Embedding for Video SteganographyS. Balu, K. Amudha, D. C. Nelson Kennedy BabuWhile watching a video human visual system gives more attention on the foreground objects than background objects. That is, human vision system pays more attention to the region of interest, such as the human faces in the video content. Most of the video steganography algorithms embed secret information in video by considering every part of the video frames with equal … …Journal of Computer Science, Vol. 9, Issue 7 · 24 Jun 2013 · 6,856 accessesView PDF Cite