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Dr. Umesh Rajashekar
Post-Doctoral Fellow
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Publications (4)
SPIE Journal Paper | 1 April 2010
Performance evaluation of mail-scanning cameras
Umesh Rajashekar, Tony Vu, John Hooning, Alan Bovik
JEI, Vol. 19, Issue 02, 023008, (April 2010) https://doi.org/10.1117/12.10.1117/1.3421975
KEYWORDS: Cameras, Image quality, Image resolution, Distortion, Imaging systems, Printing, Signal to noise ratio, Scanners, Image processing, Modulation transfer functions
Proceedings Article | 18 February 2010 Paper
Perceptual quality assessment of color images using adaptive signal representation
Proceedings Volume 7527, 75271L (2010) https://doi.org/10.1117/12.845312
KEYWORDS: Distortion, Image quality, RGB color model, Image processing, Visual process modeling, Imaging systems, Human vision and color perception, Performance modeling, Visualization, Visual system
Proceedings Article | 18 March 2005 Paper
A study of human recognition rates for foveola-sized image patches selected from initial and final fixations on calibrated natural images
Proceedings Volume 5666, (2005) https://doi.org/10.1117/12.594711
KEYWORDS: Visualization, Calibration, Eye, Databases, Chromium, Image analysis, Machine vision, Surveillance systems, Image visualization, Information visualization
Proceedings Article | 7 June 2004 Paper
Point-of-gaze analysis reveals visual search strategies
Umesh Rajashekar, Lawrence Cormack, Alan Bovik
Proceedings Volume 5292, (2004) https://doi.org/10.1117/12.537118
KEYWORDS: Visualization, Eye, Image classification, Visual analytics, Image analysis, Signal to noise ratio, Image filtering, Monte Carlo methods, Image visualization, Optical tracking
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