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Dr. Aparna John
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Publications (4)
Proceedings Article | 13 May 2019 Paper
Quaternion alpha-rooting image enhancement of grayscale images
Proceedings Volume 10993, 109930T (2019) https://doi.org/10.1117/12.2519664
KEYWORDS: Image enhancement, Image processing, Signal to noise ratio, RGB color model, Visualization, Fourier transforms, Image quality, Medical imaging, Reverse modeling
Proceedings Article | 14 May 2018 Paper
A novel image enhancement method of 3D medical images by transforming the 3D images to 2D grayscale images
Proceedings Volume 10668, 106680Q (2018) https://doi.org/10.1117/12.2304667
KEYWORDS: Image enhancement, 3D image enhancement, Medical imaging, 3D image processing, RGB color model, Visualization, Eye models, Blood, Image processing
Proceedings Article | 10 March 2017 Paper
Color image enhancement of medical images using alpha-rooting and zonal alpha-rooting methods on 2D QDFT
Proceedings Volume 10136, 1013618 (2017) https://doi.org/10.1117/12.2254889
KEYWORDS: Image processing, Image enhancement, Fourier transforms, Color image processing, Medical imaging, Image filtering, Visualization, Optimization (mathematics), Genetic algorithms, Image display, 3D image processing, RGB color model
Proceedings Article | 8 December 2006 Paper
Determination of aerosol extinction coefficient profiles from LIDAR data using the optical depth solution method
Proceedings Volume 6408, 64080Z (2006) https://doi.org/10.1117/12.697518
KEYWORDS: LIDAR, Aerosols, Mass attenuation coefficient, Atmospheric particles, Atmospheric optics, Signal attenuation, Scattering, Molecules, Light scattering, Absorption
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