Gannavarpu Rajshekhar: search on Z-Library

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1

Non-invasive precision metrology using diffraction phase microscopy and space-frequency method

Ajithaprasad, Sreeprasad, Gannavarpu, Rajshekhar

Journal:

Optics and Lasers in Engineering

Year:

2018

Language:

english

File:

PDF, 6.21 MB

english, 2018

2

Demodulation of moire fringes in digital holographic interferometry using an extended Kalman filter

Ramaiah, Jagadesh, Rastogi, Pramod, Rajshekhar, Gannavarpu

Journal:

Year:

2018

Language:

english

File:

PDF, 1.85 MB

english, 2018

3

Wigner–Ville distribution based diffraction phase microscopy for non-destructive testing

Vishnoi, Ankur, Sreeprasad, Ajithaprasad, Rajshekhar, Gannavarpu

Journal:

Journal of Modern Optics

Year:

2019

Language:

english

File:

PDF, 1.86 MB

english, 2019

4

Graphics processing unit assisted diffraction phase microscopy for fast non-destructive metrology

Ramaiah, Jagadesh, Ajithaprasad, Sreeprasad, Gannavarpu, Rajshekhar

Journal:

Measurement Science and Technology

Year:

2019

Language:

english

File:

PDF, 17.29 MB

english, 2019

5

Fast and robust method for flow analysis using GPU assisted diffractive optical element based background oriented schlieren (BOS)

Ramaiah, Jagadesh, Ajithaprasad, Sreeprasad, Gannavarpu, Rajshekhar, Ambrosini, Dario

Journal:

Optics and Lasers in Engineering

Year:

2020

Language:

english

File:

PDF, 5.45 MB

english, 2020

6

Detection of defects from fringe patterns using a pseudo-Wigner–Ville distribution based method

Gannavarpu Rajshekhar, Sai Siva Gorthi, Pramod Rastogi

Journal:

Optics and Lasers in Engineering

Year:

2012

Language:

english

File:

PDF, 958 KB

english, 2012

7

Fringe analysis: Premise and perspectives

Gannavarpu Rajshekhar, Pramod Rastogi

Journal:

Optics and Lasers in Engineering

Year:

2012

Language:

english

File:

PDF, 1.41 MB

english, 2012

8

Simultaneous multidimensional deformation measurements using digital holographic moiré

Rajshekhar, Gannavarpu, Gorthi, Sai Siva, Rastogi, Pramod

Journal:

Year:

2011

Language:

english

File:

PDF, 1.89 MB

english, 2011

9

Simultaneous measurement of in-plane and out-of-plane displacement derivatives using dual-wavelength digital holographic interferometry

Rajshekhar, Gannavarpu, Gorthi, Sai Siva, Rastogi, Pramod

Journal:

Year:

2011

Language:

english

File:

PDF, 674 KB

english, 2011

10

Application of complex-lag distributions for estimation of arbitrary order phase derivatives in digital holographic interferometry

Rajshekhar, Gannavarpu, Rastogi, Pramod

Journal:

Year:

2011

Language:

english

File:

PDF, 316 KB

english, 2011

11

Phase estimation using a state-space approach based method

Rajshekhar, Gannavarpu, Rastogi, Pramod

Journal:

Optics and Lasers in Engineering

Year:

2013

Language:

english

File:

PDF, 595 KB

english, 2013

12

Nanoscale topography and spatial light modulator characterization using wide-field quantitative phase imaging

Rajshekhar, Gannavarpu, Bhaduri, Basanta, Edwards, Chris, Zhou, Renjie, Goddard, Lynford L., Popescu, Gabriel

Journal:

Year:

2014

Language:

english

File:

PDF, 1.64 MB

english, 2014

13

Fringe demodulation using the two-dimensional phase differencing operator

Rajshekhar, Gannavarpu, Rastogi, Pramod

Journal:

Year:

2012

Language:

english

File:

PDF, 308 KB

english, 2012

14

Estimation of multiple phases from a single fringe pattern in digital holographic interferometry

Rajshekhar, Gannavarpu, Gorthi, Sai Siva, Rastogi, Pramod

Journal:

Year:

2012

Language:

english

File:

PDF, 1.09 MB

english, 2012

15

Multiple signal classification technique for phase estimation from a fringe pattern

Rajshekhar, Gannavarpu, Rastogi, Pramod

Journal:

Year:

2012

Language:

english

File:

PDF, 586 KB

english, 2012

16

SPIE Proceedings [SPIE SPIE BiOS - San Francisco, California, United States (Saturday 13 February 2016)] Quantitative Phase Imaging II - Phase correlation imaging (PCI) for cell dynamics investigation (Conference Presentation)

Popescu, Gabriel, Park, YongKeun, Ma, Lihong, Gannavarpu, Rajshekhar, Wang, Ru, Bhaduri, Basanta, Sridharan, Shamira, Mir, Mustafa A., Chakraborty, Arindam, Prasanth, Supriya G., Millet, Larry, Gillet

Year:

2016

Language:

english

File:

PDF, 111 KB

english, 2016

17

Phase correlation imaging of unlabeled cell dynamics

Ma, Lihong, Rajshekhar, Gannavarpu, Wang, Ru, Bhaduri, Basanta, Sridharan, Shamira, Mir, Mustafa, Chakraborty, Arindam, Iyer, Rajashekar, Prasanth, Supriya, Millet, Larry, Gillette, Martha U., Popescu

Journal:

Scientific Reports

Year:

2016

Language:

english

File:

PDF, 1.82 MB

english, 2016

18

Spatiotemporal Characterization of a Fibrin Clot Using Quantitative Phase Imaging

Gannavarpu, Rajshekhar, Bhaduri, Basanta, Tangella, Krishnarao, Popescu, Gabriel, Najbauer, Joseph

Journal:

Year:

2014

Language:

english

File:

PDF, 1.13 MB

english, 2014

19

Multi-scale approach for analyzing convective heat transfer flow in background-oriented Schlieren technique

Rajshekhar, Gannavarpu, Ambrosini, Dario

Journal:

Optics and Lasers in Engineering

Year:

2018

Language:

english

File:

PDF, 1.34 MB

english, 2018

20

Single shot multiple phase retrieval in digital holographic interferometry using subspace processing

Ramaiah, Jagadesh, Rajshekhar, Gannavarpu

Journal:

Optics and Lasers in Engineering

Year:

2018

Language:

english

File:

PDF, 4.99 MB

english, 2018

21

Fast and robust method for flow analysis using GPU assisted diffractive optical element based background oriented schlieren (BOS)

Ramaiah, Jagadesh, Ajithaprasad, Sreeprasad, Gannavarpu, Rajshekhar, Ambrosini, Dario

Journal:

Optics and Lasers in Engineering

Year:

2020

File:

PDF, 5.45 MB

2020

22

[IEEE 2019 Workshop on Recent Advances in Photonics (WRAP) - Guwahati, India (2019.12.13-2019.12.14)] 2019 Workshop on Recent Advances in Photonics (WRAP) - Dynamic deformation analysis using diffraction phase microscopy and space-frequency analysis

Ajithaprasad, Sreeprasad, Ramaiah, Jagadesh, Gannavarpu, Rajshekhar

Year:

2019

File:

PDF, 9.14 MB

2019

23

Demodulating interferograms with non-uniform amplitude variations for precision non-contact optical profilometry

Satya Vithin, Allaparthi Venkata, Show, Issac, Ajithaprasad, Sreeprasad, Gannavarpu, Rajshekhar

Journal:

Optics and Lasers in Engineering

Year:

2020

File:

PDF, 1.94 MB

2020