Joby Joseph

发表

Phase Profiling Using Single Shot Digital Holography

Kedar Khare, P. T. Samsheerali, Joby Joseph, 2014 .

Content-addressable Holographic Digital Data Storage Based on Hybrid Ternary Modulation with a Twisted-Nematic Liquid-Crystal Spatial Light Modulator

Kehar Singh, Joby Joseph, Renu John, 2005 .

Lensless complex data encoding for digital holographic whole information security

Kehar Singh, Joby Joseph, Anith Nelleri, 2008 .

An input-data page modulation scheme for content-addressable holographic digital data storage

Kehar Singh, Joby Joseph, Renu John, 2005 .

Matlab Quick Start

Joby Joseph, 2001 .

Why only two ears? Some indicators from the study of source separation using two sensors

Joby Joseph, J. Joseph, 2004 .

Three-dimensional object recognition from digital Fresnel hologram by wavelet matched filtering

Unnikrishnan Gopinathan, Kehar Singh, Joby Joseph, 2006 .

Securing information using fractional Fourier transform in digital holography [rapid communication]

Kehar Singh, Joby Joseph, Naveen Kumar Nishchal, 2004 .

Reliable Data Search in a Holographic Search Engine with Defocused Recording

Kehar Singh, Joby Joseph, Bhargab Das, 2010 .

Modified geometry of ring-wedge detector for sampling Fourier transform of fingerprints for classification using neural networks

Kehar Singh, Dinesh Ganotra, Joby Joseph, 2003, International Commission for Optics.

Unsupervised organization of cervical cells using bright‐field and single‐shot digital holographic microscopy

Kedar Khare, Joby Joseph, Jyoti Mangal, 2019, Journal of biophotonics.

An adaptive algorithm for ICA

Joby Joseph, Kvs Hari, J. Joseph, 2002 .

Modified geometry of ring-wedge detector for sampling Fourier transform of fingerprints for classification using neural networks

Kehar Singh, Dinesh Ganotra, Joby Joseph, 2004 .

Pattern discrimination using wavelet filters in a photorefractive joint-transform correlator

Kehar Singh, Renu Tripathi, Joby Joseph, 1997 .

Securing complex and multi-plane data in a lens-less digital holographic information system that uses position-phase-shifting geometry

Kehar Singh, Joby Joseph, Anith Nelleri, 2010 .

Optically induced three-dimensional photonic lattices and quasi-crystallographic structures

Cornelia Denz, Joby Joseph, Patrick Rose, 2010, Photonics Europe.

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

Kehar Singh, Joby Joseph, Naveen Kumar Nishchal, 2004 .

Optical encryption using a localized fractional Fourier transform

Kehar Singh, Joby Joseph, Naveen Kumar Nishchal, 2003 .

Fully phase-encrypted memory using cascaded extended fractional Fourier transform

Kehar Singh, Joby Joseph, Naveen Kumar Nishchal, 2004 .

Digital Fresnel field encryption for three-dimensional information security

Kehar Singh, Joby Joseph, Anith Nelleri, 2007 .

Wavelet based three-dimensional object recognition using single off-axis digital Fresnel hologram

Unnikrishnan Gopinathan, Kehar Singh, Joby Joseph, 2005, SPIE OPTO-Ireland.

Event Driven Architecture Through Nano Computing Models

Joby Joseph, A. Clementking, 2009 .

Unsupervised organization of cervical cells using high resolution digital holographic microscopy

Joby Joseph, Jyoti Mangal, Rashi Monga, 2018, 1811.05214.

Virtualization in Grid Computing through Event Based Architecture

Joby Joseph, C. Jothi Venkateswaran, A . Clementking, 2012 .

TOWARDS AN EVENT DRIVEN COMPUTING MODEL

Joby Joseph, C. Jothi Venkateswaran, 2014 .

Non-zero-order joint transform correlator using random phase function in the input plane

Kehar Singh, Joby Joseph, G. Unnikrishnan, 1999, Other Conferences.

Content-addressable holographic data storage system for invariant pattern recognition of gray-scale images.

Kehar Singh, Joby Joseph, Alpana Bhagatji, 2010, Applied optics.

Profilometry for the measurement of three-dimensional object shape using radial basis function, and multi-layer perceptron neural networks

Kehar Singh, Dinesh Ganotra, Joby Joseph, 2002 .

Digital Holographic Encryption

Kehar Singh, Joby Joseph, Anith Nelleri, 2009 .

Impulse attack free double-random-phase encryption scheme with randomized lens-phase functions.

Arvind Kumar, Kehar Singh, Joby Joseph, 2009, Optics letters.

Securing Holographic Three-dimensional Information by Digital Fresnel Field Encryption

Kehar Singh, Joby Joseph, Anith Nelleri, 2006 .

Neural networks applied to measurement of three-dimensional object shapes using phases recovered from Fourier transform profilometry and phase locked loops

Kehar Singh, Dinesh Ganotra, Joby Joseph, 2003, International Commission for Optics.

Error analysis for a lens-less in-line digital holographic complex information security system based on double random phase encoding

Kehar Singh, Joby Joseph, Anith Nelleri, 2009 .

Fully phase encryption using fractional Fourier transform

Kehar Singh, Joby Joseph, Naveen Kumar Nishchal, 2003 .

Reliability of content-addressable data search in a defocused volume holographic data storage system.

Kehar Singh, Joby Joseph, Bhargab Das, 2010, Applied optics.

Holographic encryption system in the Fresnel domain with convergent random illumination

Pramod Kumar, Kehar Singh, Joby Joseph, 2010 .

Known-plaintext attack-free double random phase-amplitude optical encryption: vulnerability to impulse function attack

Pramod Kumar, Kehar Singh, Joby Joseph, 2012 .

Fully phase encryption using digital holography

Kehar Singh, Joby Joseph, Naveen Kumar Nishchal, 2004 .

Recognition and classification of three-dimensional phase objects by digital Fresnel holography.

Kehar Singh, Joby Joseph, Anith Nelleri, 2006, Applied optics.

Double Random Phase Encoding Based Optical Encryption Systems Using Some Linear Canonical Transforms: Weaknesses and Countermeasures

Pramod Kumar, Kehar Singh, Joby Joseph, 2016 .

An algorithm to estimate multipath delays of broadband sources with only two sensors

Joby Joseph, Kvs Hari, 2001 .

Object reconstruction in multilayer neural network based profilometry using grating structure comprising two regions with different spatial periods

Kehar Singh, Dinesh Ganotra, Joby Joseph, 2004 .

Impulse attack-free four random phase mask encryption based on a 4-f optical system.

Kehar Singh, Joby Joseph, Pramod Kumar, 2009, Applied optics.

Single shot high resolution digital holography.

Kedar Khare, Joby Joseph, P T Samsheer Ali, 2013, Optics express.

Vulnerability of the security enhanced double random phase-amplitude encryption scheme to point spread function attack

Pramod Kumar, Arvind Kumar, Kehar Singh, 2012 .

Neural network based face recognition by using diffraction pattern sampling with a digital ring–wedge detector

Kehar Singh, Dinesh Ganotra, Joby Joseph, 2002 .

Phase-image-based sparse-gray-level data pages for holographic data storage.

Kehar Singh, Joby Joseph, Bhargab Das, 2009, Applied optics.

Embedding multiple nondiffracting defect sites in periodic lattice wavefield by optical phase engineering

Manish Kumar, Joby Joseph, J. Joseph, 2014 .

Fully phase encrypted memory using cascaded extended fractional Fourier transform

Naveen K. Nishchal, Kehar Singh, Joby Joseph, 2003, SPIE Optics + Photonics.

Phase modulated gray-scale data pages for digital holographic data storage

Kehar Singh, Joby Joseph, Bhargab Das, 2009 .

Optical image encryption based on interference under convergent random illumination

Pramod Kumar, Kehar Singh, Joby Joseph, 2010 .

Optical encryption system using a spatial light modulator

Kehar Singh, Joby Joseph, G. Unnikrishnan, 1999, Other Conferences.

Phase-image-based content-addressable holographic data storage

Kehar Singh, Joby Joseph, Renu John, 2004 .

Optical image encryption using a jigsaw transform for silhouette removal in interference-based methods and decryption with a single spatial light modulator.

Kehar Singh, Joby Joseph, Pramod Kumar, 2011, Applied optics.

Spatial amplification via photorefractive two-beam coupling; real-time image processing using controllable erasure of Fourier spectrum

Kehar Singh, Joby Joseph, J. Joseph, 1991 .

Performance analysis of content-addressable search and bit-error rate characteristics of a defocused volume holographic data storage system.

Kehar Singh, Joby Joseph, Bhargab Das, 2007, Applied optics.

Improved data search by zero-order (dc) peak filtering in a defocused volume holographic content-addressable memory.

Kehar Singh, Joby Joseph, Bhargab Das, 2009, Applied optics.

A new balanced modulation code for a phase-image-based holographic data storage system

Kehar Singh, Joby Joseph, Renu John, 2005 .

Quantitative phase imaging with single shot digital holography

Kedar Khare, P. T. Samsheerali, Joby Joseph, 2014 .

Homogenized Fourier transform holographic data storage using phase spatial light modulators and methods for recovery of data from the phase image.

Joby Joseph, David A Waldman, 2006, Applied optics.

Tunable complex photonic chiral lattices by reconfigurable optical phase engineering.

Joby Joseph, J. Joseph, J. Xavier, 2011, Optics letters.

A new phase-conjugate one-way scheme for phase-distortion correction

Kehar Singh, Joby Joseph, P. K. C. Pillai, 1990 .

Second- and first-order phase-locked loops in fringe profilometry and application of neural networks for phase-to-depth conversion

Kehar Singh, Dinesh Ganotra, Joby Joseph, 2003 .

Flexible and stretchable guided-mode resonant optical sensor: single-step fabrication on a surface engineered polydimethylsiloxane substrate

Joby Joseph, P. K. Sahoo, Swagato Sarkar, 2018, OSA Continuum.

Optical vortex array in spatially varying lattice

Joby Joseph, P. Senthilkumaran, P. Senthilkumaran, 2016 .

Holographic digital data storage using phase-modulated pixels

Kehar Singh, Joby Joseph, Renu John, 2005 .

Holographic data storage – photopolymer material and drive technology

Joby Joseph, David A. Waldman, Daniel H. Raguin, 2004 .

Phase-image-based content-addressable holographic data storage with security

Kehar Singh, Joby Joseph, Renu John, 2005 .

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

Kehar Singh, Joby Joseph, Naveen Kumar Nishchal, 2003 .

High efficiency panchromatic photopolymer recording material for holographic data storage systems

Rani Joseph, Joby Joseph, Bhargab Das, 2016 .

Digitally reconfigurable complex two-dimensional dual-lattice structure by optical phase engineering.

Joby Joseph, Manish Kumar, 2014, Applied optics.

Reconfigurable Optically Induced Quasicrystallographic Three‐Dimensional Complex Nonlinear Photonic Lattice Structures

Cornelia Denz, Joby Joseph, Patrick Rose, 2010, Advanced materials.

Fourier spectrum analysis of spiral zone plates

Manoj Kumar Sharma, Joby Joseph, Paramasivam Senthilkumaran, 2013 .

Transmission type twisted nematic liquid crystal display for three gray-level phase-modulated holographic data storage systems

Kehar Singh, Joby Joseph, P. Senthilkumaran, 2009 .

Generating a hexagonal lattice wave field with a gradient basis structure.

Joby Joseph, Manish Kumar, 2014, Optics letters.

Crystal orientation dependence of the SNR for signal beam amplification in photorefractive BaTiO3

Kehar Singh, Joby Joseph, P.K.C. Pillai, 1991 .

Double random phase encryption with in-plane rotation of a modified Lohmann's second- type system in the anamorphic fractional Fourier domain

Kehar Singh, Joby Joseph, Pramod Kumar, 2008 .

Material saturation in photopolymer holographic data recording and its effects on bit-error-rate and content-addressable search

Kehar Singh, Joby Joseph, Bhargab Das, 2009 .

Optical generation of a spatially variant two-dimensional lattice structure by using a phase only spatial light modulator

Joby Joseph, Manish Kumar, 2014 .

Embedding a nondiffracting defect site in helical lattice wave-field by optical phase engineering.

Joby Joseph, J. Joseph, Manish Kumar, 2013, Applied optics.

A novel way of noise reduction in image amplification by two-beam coupling in photorefractive BaTiO3 crystal

Kehar Singh, Joby Joseph, P.K.C. Pillai, 1990 .