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Gannavarpu Rajshekhar
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Year
Fringe analysis: Premise and perspectives
G Rajshekhar, P Rastogi
Optics and Lasers in Engineering 50 (8), iii-x, 2012
1092012
Strain estimation in digital holographic interferometry using piecewise polynomial phase approximation based method
SS Gorthi, G Rajshekhar, P Rastogi
Optics Express 18 (2), 560-565, 2010
49*2010
Nanoscale topography and spatial light modulator characterization using wide-field quantitative phase imaging
G Rajshekhar, B Bhaduri, C Edwards, R Zhou, LL Goddard, G Popescu
Optics express 22 (3), 3432-3438, 2014
432014
Phase correlation imaging of unlabeled cell dynamics
L Ma, G Rajshekhar, R Wang, B Bhaduri, S Sridharan, M Mir, ...
Scientific reports 6 (1), 32702, 2016
402016
Strain, curvature, and twist measurements in digital holographic interferometry using pseudo-Wigner–Ville distribution based method
G Rajshekhar, SS Gorthi, P Rastogi
Review of Scientific Instruments 80 (9), 093107, 2009
352009
Phase estimation using a state-space approach based method
G Rajshekhar, P Rastogi
Optics and lasers in Engineering 51 (8), 1004-1007, 2013
332013
Estimation of displacement derivatives in digital holographic interferometry using a two-dimensional space-frequency distribution
G Rajshekhar, SS Gorthi, P Rastogi
Optics express 18 (17), 18041-18046, 2010
302010
Rapid deformation analysis in digital holographic interferometry using graphics processing unit accelerated Wigner–Ville distribution
A Vishnoi, G Rajshekhar
Applied optics 58 (16), 4420-4424, 2019
252019
Estimation of multiple phases from a single fringe pattern in digital holographic interferometry
G Rajshekhar, SS Gorthi, P Rastogi
Optics express 20 (2), 1281-1291, 2012
252012
Simultaneous multidimensional deformation measurements using digital holographic moiré
G Rajshekhar, SS Gorthi, P Rastogi
Applied Optics 50 (21), 4189-4197, 2011
242011
Non-invasive precision metrology using diffraction phase microscopy and space-frequency method
S Ajithaprasad, R Gannavarpu
Optics and Lasers in Engineering 109, 17-22, 2018
232018
Simultaneous measurement of in-plane and out-of-plane displacement derivatives using dual-wavelength digital holographic interferometry
G Rajshekhar, SS Gorthi, P Rastogi
Applied optics 50 (34), H16-H21, 2011
232011
Detection of defects from fringe patterns using a pseudo-Wigner–Ville distribution based method
G Rajshekhar, SS Gorthi, P Rastogi
Optics and Lasers in Engineering 50 (8), 1059–1062, 2012
212012
Multiple signal classification technique for phase estimation from a fringe pattern
G Rajshekhar, P Rastogi
Applied optics 51 (24), 5869-5875, 2012
192012
Adaptive window Wigner-Ville-distribution-based method to estimate phase derivative from optical fringes
G Rajshekhar, SS Gorthi, P Rastogi
Optics letters 34 (20), 3151-3153, 2009
192009
Fringe demodulation using the two-dimensional phase differencing operator
G Rajshekhar, P Rastogi
Optics Letters 37 (20), 4278-4280, 2012
162012
Three dimensional shape measurement using high-order instantaneous moments based fringe projection method
SS Gorthi, G Rajshekhar, P Rastogi
Optics & Laser Technology 43 (1), 40-44, 2011
162011
Application of complex-lag distributions for estimation of arbitrary order phase derivatives in digital holographic interferometry
G Rajshekhar, P Rastogi
Optics letters 36 (19), 3738-3740, 2011
152011
Fast and robust method for flow analysis using GPU assisted diffractive optical element based background oriented schlieren (BOS)
J Ramaiah, S Ajithaprasad, R Gannavarpu, D Ambrosini
Optics and Lasers in Engineering 126, 105908, 2020
142020
Defect detection using windowed fourier spectrum analysis in diffraction phase microscopy
S Ajithaprasad, R Velpula, R Gannavarpu
Journal of Physics Communications 3 (2), 025006, 2019
142019
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