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Dr. Gaurav Bhatnagar
Associate Professor
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Publications (4)
SPIE Journal Paper | 17 February 2023
Saliency and superpixel improved detection and segmentation of concealed objects for passive terahertz images
Sushmita Chandel, Gaurav Bhatnagar, Marcin Kowalski
OE, Vol. 62, Issue 02, 023101, (February 2023) https://doi.org/10.1117/12.10.1117/1.OE.62.2.023101
KEYWORDS: Image segmentation, Weapons, Terahertz radiation, Object detection, Denoising, Optical engineering, Machine learning, Mixtures, Anisotropic diffusion, Histograms
Proceedings Article | 28 April 2010 Paper
SVD-based robust watermarking using fractional cosine transform
Proceedings Volume 7708, 77080O (2010) https://doi.org/10.1117/12.850227
KEYWORDS: Digital watermarking, Digital filtering, Gaussian filters, Algorithm development, Image filtering, Image processing, Image compression, Visualization, Multimedia, Feature extraction
SPIE Journal Paper | 1 July 2009
Stereo image coding via digital watermarking
Gaurav Bhatnagar, Sanjeev Kumar, Balasubramanian Raman, Nagarajan Sukavanam
JEI, Vol. 18, Issue 03, 033012, (July 2009) https://doi.org/10.1117/12.10.1117/1.3210015
KEYWORDS: Digital watermarking, Image compression, Image processing, Digital imaging, 3D image processing, 3D vision, Image transmission, Image filtering, Digital filtering, Information security
Proceedings Article | 28 January 2009 Paper
Multipurpose watermarking scheme using essentially non-oscillatory point-value decomposition
Proceedings Volume 7248, 72480N (2009) https://doi.org/10.1117/12.805564
KEYWORDS: Digital watermarking, Fermium, Image processing, Image segmentation, Wavelets, Image compression, Digital filtering, Image filtering, Feature extraction, Image fusion
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