Dr. Hafiz M. A. Malik Profile

Dr. Hafiz M. A. Malik

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Publications (2)

Proceedings Article | 18 March 2008 Paper

Nonparametric steganalysis of QIM data hiding using approximate entropy

Hafiz Malik, K. Subbalakshmi, R. Chandramouli

Proceedings Volume 6819, 681914 (2008) https://doi.org/10.1117/12.767313

KEYWORDS: Steganalysis, Quantization, Steganography, Modulation, Data hiding, Databases, Binary data, Image segmentation, Stochastic processes, Distortion

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Proceedings Article | 17 February 2006 Paper

New detector for spread-spectrum based image watermarking using underdetermined ICA

Hafiz Malik, Ashfaq Khokhar, Rashid Ansari

Proceedings Volume 6072, 60721Y (2006) https://doi.org/10.1117/12.643559

KEYWORDS: Digital watermarking, Sensors, Independent component analysis, Signal detection, Distortion, Data modeling, Signal processing, Sensor performance, Error analysis, Statistical analysis

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