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1

Fully phase encryption using digital holography

Nishchal, Naveen Kumar

Journal:

Optical Engineering

Year:

2004

Language:

english

File:

PDF, 971 KB

english, 2004

2

Collision in Fresnel domain asymmetric cryptosystem using phase truncation and authentication verification

Mehra, Isha, Rajput, Sudheesh Kumar, Nishchal, Naveen Kumar

Journal:

Optical Engineering

Year:

2013

Language:

english

File:

PDF, 2.20 MB

english, 2013

3

Optical encryption using a localized fractional Fourier transform

Nishchal, Naveen Kumar

Journal:

Optical Engineering

Year:

2003

Language:

english

File:

PDF, 400 KB

english, 2003

4

Fully phase encryption using fractional Fourier transform

Nishchal, Naveen Kumar

Journal:

Optical Engineering

Year:

2003

Language:

english

File:

PDF, 549 KB

english, 2003

5

Hierarchical encrypted image watermarking using fractional Fourier domain random phase encoding

Nishchal, Naveen Kumar

Journal:

Optical Engineering

Year:

2011

Language:

english

File:

PDF, 3.59 MB

english, 2011

6

Fully phase-based encryption using fractional order Fourier domain random phase encoding: error analysis

Nishchal, Naveen Kumar

Journal:

Optical Engineering

Year:

2004

Language:

english

File:

PDF, 1.48 MB

english, 2004

7

Self-referenced interference of laterally displaced vortex beams for topological charge determination

Kumar, Praveen, Nishchal, Naveen K.

Journal:

Optics Communications

Year:

2020

File:

PDF, 2.98 MB

2020

8

Securing information using fractional Fourier transform in digital holography

Naveen Kumar Nishchal, Joby Joseph, Kehar Singh

Journal:

Optics Communications

Year:

2004

Language:

english

File:

PDF, 526 KB

english, 2004

9

Optical phase encryption by phase contrast using electrically addressed spatial light modulator

Naveen Kumar Nishchal, Joby Joseph, Kehar Singh

Journal:

Optics Communications

Year:

2003

Language:

english

File:

PDF, 257 KB

english, 2003

10

Optical image watermarking using fractional Fourier transform

Naveen Kumar Nishchal

Journal:

Journal of Optics

Year:

2009

Language:

english

File:

PDF, 325 KB

english, 2009

11

Fully phase-encrypted memory using cascaded extended fractional Fourier transform

Naveen Kumar Nishchal, Joby Joseph, Kehar Singh

Journal:

Optics and Lasers in Engineering

Year:

2004

Language:

english

File:

PDF, 688 KB

english, 2004

12

Photon counting imaging and polarized light encoding for secure image verification and hologam watermarking

Rajput, Sudheesh K, Kumar, Dhirendra, Nishchal, Naveen K

Journal:

Journal of Optics (IOPscience)

Year:

2014

Language:

english

File:

PDF, 3.08 MB

english, 2014

13

Photon counting imaging and phase mask multiplexing for multiple images authentication and digital hologram security

Rajput, Sudheesh K., Kumar, Dhirendra, Nishchal, Naveen K.

Journal:

Year:

2015

Language:

english

File:

PDF, 1.68 MB

english, 2015

14

Recognition of three-dimensional objects using joint fractional correlator and nonlinear joint fractional correlator with the help of digital Fresnel holography: a comparative study

Kumar, Dhirendra, Nishchal, Naveen K.

Journal:

Year:

2015

Language:

english

File:

PDF, 987 KB

english, 2015

15

Three-dimensional object recognition using joint fractional Fourier transform correlators with the help of digital Fresnel holography

Kumar, Dhirendra, Nishchal, Naveen K.

Journal:

Optik - International Journal for Light and Electron Optics

Year:

2015

Language:

english

File:

PDF, 634 KB

english, 2015

16

[IEEE 2015 2nd International Conference on Opto-Electronics and Applied Optics (IEM OPTRONIX) - Vancouver, BC, Canada (2015.10.15-2015.10.17)] 2015 2nd International Conference on Opto-Electronics and Applied Optics (IEM OPTRONIX) - three-dimensional object recognition using phase-only computer-generated Fresnel hologram

Kumar, Dhirendra, Nishchal, Naveen K.

Year:

2015

Language:

english

File:

PDF, 472 KB

english, 2015

17

Nonlinear QR code based optical image encryption using spiral phase transform, equal modulus decomposition and singular value decomposition

Kumar, Ravi, Bhaduri, Basanta, Nishchal, Naveen K

Journal:

Journal of Optics (IOPscience)

Year:

2017

Language:

english

File:

PDF, 2.91 MB

english, 2017

18

[IEEE 2018 3rd International Conference on Microwave and Photonics (ICMAP) - Dhanbad (2018.2.9-2018.2.11)] 2018 3rd International Conference on Microwave and Photonics (ICMAP) - An image encryption scheme employing quick response codes

Kumar, Avishek, Nishchal, Naveen K.

Year:

2018

Language:

english

File:

PDF, 461 KB

english, 2018

19

[IEEE 2018 3rd International Conference on Microwave and Photonics (ICMAP) - Dhanbad (2018.2.9-2018.2.11)] 2018 3rd International Conference on Microwave and Photonics (ICMAP) - Phase characterization of a liquid crystal spatial light modulator

Gupta, Alok Kumar, Nishchal, Naveen K.

Year:

2018

Language:

english

File:

PDF, 380 KB

english, 2018

20

An optical Hash function construction based on equal modulus decomposition for authentication verification

Kumar, Avishek, Fatima, Areeba, Nishchal, Naveen K.

Journal:

Optics Communications

Year:

2018

Language:

english

File:

PDF, 2.50 MB

english, 2018

21

[OSA International Conference on Fibre Optics and Photonics - Kharagpur (2014..-..)] 12th International Conference on Fiber Optics and Photonics - Digital Holography based Three-dimensional Object Recognition using Binary Differential Joint Transform Correlator

Kumar, Dhirendra, Nishchal, Naveen K.

Year:

2014

Language:

english

File:

PDF, 205 KB

english, 2014

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) - Determining orbital angular momentum of light by analyzing interferogram with conjoined fork-like structures

Kumar, Praveen, Nishchal, Naveen k.

Year:

2019

File:

PDF, 3.08 MB

2019