Dr. Artyom M. Grigoryan Profile

Dr. Artyom M. Grigoryan

Associate Professor

SPIE Involvement:

Conference Program Committee | Author

Publications (61)

Proceedings Article | 7 June 2024 Poster + Paper

Methods of calculation of the 2-D quantum Fourier transform of images

Artyom Grigoryan, Alexis Gomez, Sos Agaian

Proceedings Volume 13033, 130330J (2024) https://doi.org/10.1117/12.3013940

KEYWORDS: Fourier transforms, Matrices, Quantum communications, Quantum superposition, Quantum probability, Quantum signals, Quantum computing, Quantum circuits, Simulations, Image processing

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Proceedings Article | 7 June 2024 Presentation + Paper

Quaternion Fourier transform-based alpha-rooting color image enhancement in 2 algebras: commutative and non-commutative

Artyom Grigoryan, Alexis Gomez

Proceedings Volume 13033, 1303304 (2024) https://doi.org/10.1117/12.3017692

KEYWORDS: Image enhancement, Image processing, Convolution, Color image processing, Transform theory, Matrices, Fourier transforms, RGB color model, Image quality, Signal processing

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Proceedings Article | 15 June 2023 Poster + Paper

New method of color image histogram equalization with gray replacement for underwater and medical images

Artyom Grigoryan, Irene Salazar, Sos Agaian

Proceedings Volume 12526, 125260U (2023) https://doi.org/10.1117/12.2663262

KEYWORDS: Histograms, RGB color model, Image enhancement, Image processing, Image quality, Medical imaging, Data modeling, CMYK color model, Retina, Image sharpness

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Proceedings Article | 27 May 2022 Paper

Gradients and compass operators: method of rotations

Artyom Grigoryan, Sos Agaian

Proceedings Volume 12100, 121000H (2022) https://doi.org/10.1117/12.2618353

KEYWORDS: Matrices, Image segmentation, Edge detection, Facial recognition systems, Machine vision, Image processing, Feature extraction, Computer vision technology, Computer graphics, Visual system

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Proceedings Article | 27 May 2022 Paper

Alpha-rooting and correlation method of image enhancement

Artyom Grigoryan, Sos Agaian

Proceedings Volume 12100, 121000E (2022) https://doi.org/10.1117/12.2617434

KEYWORDS: Image enhancement, Neodymium, Image processing, Image filtering, Convolution, Fourier transforms, Transform theory, Correlation function, RGB color model, Medical imaging

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Proceedings Article | 21 April 2020 Presentation + Paper

Gradients, means, and image reconstruction

Artyom Grigoryan, Sos Agaian

Proceedings Volume 11399, 113990N (2020) https://doi.org/10.1117/12.2557821

KEYWORDS: Image processing, Image restoration, Matrices, Image filtering, Visualization, Image visualization, Image segmentation, Image enhancement, Image analysis, Convolution

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Proceedings Article | 21 April 2020 Presentation + Paper

Quaternion quantum image representation: new models

Artyom Grigoryan, Sos Agaian

Proceedings Volume 11399, 113990O (2020) https://doi.org/10.1117/12.2557862

KEYWORDS: RGB color model, Quantum communications, Image processing, Color image processing, Image enhancement, Quantum computing, Image analysis, Superposition, Fourier transforms, Algorithm development

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Proceedings Article | 21 April 2020 Presentation + Paper

Thermal and night vision image visibility and enhancement

Artyom Grigoryan, Sos Agaian

Proceedings Volume 11399, 113990R (2020) https://doi.org/10.1117/12.2558724

KEYWORDS: Visibility, Image enhancement, Night vision, RGB color model, Enhanced vision, Image quality, Image processing, Image analysis, CMYK color model, Thermography

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Proceedings Article | 21 April 2020 Presentation + Paper

Optimal restoration of multiple signals in quaternion algebra

Artyom Grigoryan, Sos Agaian

Proceedings Volume 11399, 1139909 (2020) https://doi.org/10.1117/12.2558209

KEYWORDS: Convolution, Interference (communication), Inverse problems, Electronic filtering, Signal processing, Matrices, Filtering (signal processing), Optimal filtering, Fourier transforms, Bismuth

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Proceedings Article | 30 December 2019 Paper

Asymmetric and symmetric gradient operators with application in face recognition in Renaissance portrait art

Artyom Grigoryan, Sos Agaian

Proceedings Volume 10993, 109930J (2019) https://doi.org/10.1117/12.2518364

KEYWORDS: Facial recognition systems, Matrices, Binary data, Image processing, Gaussian filters, Image enhancement, Image filtering, Computer simulations, Edge detection, Neodymium

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Proceedings Article | 13 May 2019 Paper

Gradient based histogram equalization in grayscale image enhancement

Artyom Grigoryan, Sos Agaian

Proceedings Volume 10993, 109930O (2019) https://doi.org/10.1117/12.2519119

KEYWORDS: Image enhancement, Image processing, Image quality, Image filtering, Transform theory, Fourier transforms, Signal processing, Medical imaging, Matrices, Domes

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Proceedings Article | 13 May 2019 Paper

Quaternion alpha-rooting image enhancement of grayscale images

Artyom Grigoryan, Aparna John, Sos Agaian

Proceedings Volume 10993, 109930T (2019) https://doi.org/10.1117/12.2519664

KEYWORDS: Image enhancement, Image processing, Signal to noise ratio, RGB color model, Visualization, Fourier transforms, Image quality, Medical imaging, Reverse modeling

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Proceedings Article | 14 May 2018 Paper

Re-coloring of grayscale images: models with aesthetic and golden proportions

Artyom Grigoryan, Sos Agaian

Proceedings Volume 10668, 106680R (2018) https://doi.org/10.1117/12.2304392

KEYWORDS: RGB color model, Image enhancement, Silver, Cameras, Medicine, Facial recognition systems, Image analysis, Transform theory, Gold, Image visualization

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Proceedings Article | 14 May 2018 Paper

A novel image enhancement method of 3D medical images by transforming the 3D images to 2D grayscale images

Artyom Grigoryan, Aparna John, Sos Agaian

Proceedings Volume 10668, 106680Q (2018) https://doi.org/10.1117/12.2304667

KEYWORDS: Image enhancement, 3D image enhancement, Medical imaging, 3D image processing, RGB color model, Visualization, Eye models, Blood, Image processing

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SPIE Press Book | 5 April 2018

Quaternion and Octonion Color Image Processing with MATLAB

Artyom Grigoryan, Sos Agaian

KEYWORDS: Image enhancement, RGB color model, Fourier transforms, Image processing, Digital image processing, CMYK color model, Signal processing, Image visualization, Color image processing, Image compression

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Quaternion and Octonion Color Image Processing with MATLAB

Proceedings Article | 10 March 2017 Paper

Color image enhancement of medical images using alpha-rooting and zonal alpha-rooting methods on 2D QDFT

Artyom Grigoryan, Aparna John, Sos Agaian

Proceedings Volume 10136, 1013618 (2017) https://doi.org/10.1117/12.2254889

KEYWORDS: Image processing, Image enhancement, Fourier transforms, Color image processing, Medical imaging, Image filtering, Visualization, Optimization (mathematics), Genetic algorithms, Image display, 3D image processing, RGB color model

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Proceedings Article | 20 May 2016 Paper

2D hexagonal quaternion Fourier transform in color image processing

Artyom Grigoryan, Sos Agaian

Proceedings Volume 9869, 98690N (2016) https://doi.org/10.1117/12.2223115

KEYWORDS: Image processing, Color image processing, Fourier transforms, Signal processing, RGB color model, Signal generators, Image enhancement, Radon transform, 3D image enhancement, Image compression

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Proceedings Article | 23 May 2015 Paper

Image encryption by redirection and cyclical shift

Artyom Grigoryan, Bryan Wiatrek, Sos Agaian

Proceedings Volume 9456, 94560N (2015) https://doi.org/10.1117/12.2087104

KEYWORDS: Image encryption, Image processing, Fourier transforms, Digital imaging, Symmetric-key encryption, Neodymium, RGB color model, Cameras, Data processing, Binary data

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Proceedings Article | 21 May 2015 Paper

Image encryption by redirection and cyclical shift

Artyom Grigoryan, Bryan Wiatrek, Sos Agaian

Proceedings Volume 9497, 94970U (2015) https://doi.org/10.1117/12.2179275

KEYWORDS: Image encryption, Image processing, Fourier transforms, Digital imaging, Symmetric-key encryption, Neodymium, RGB color model, Cameras, Data processing, Binary data

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Proceedings Article | 21 May 2015 Paper

Fast Fourier transform-based Retinex and alpha-rooting color image enhancement

Artyom Grigoryan, Sos Agaian, Analysa Gonzales

Proceedings Volume 9497, 94970X (2015) https://doi.org/10.1117/12.2179078

KEYWORDS: Image enhancement, Image processing, Transform theory, Fourier transforms, RGB color model, Convolution, Signal processing, Image quality, Electronic imaging, Imaging systems

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Proceedings Article | 16 March 2015 Paper

Tensor representation of color images and fast 2D quaternion discrete Fourier transform

Artyom Grigoryan, Sos Agaian

Proceedings Volume 9399, 93990N (2015) https://doi.org/10.1117/12.2083199

KEYWORDS: Image processing, Fourier transforms, Color image processing, Signal processing, RGB color model, Bismuth, Eye models, Signal generators, Digital video recorders, Cameras

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Proceedings Article | 16 March 2015 Paper

New 2D discrete Fourier transforms in image processing

Artyom Grigoryan, Sos Agaian

Proceedings Volume 9399, 939910 (2015) https://doi.org/10.1117/12.2083389

KEYWORDS: Transform theory, Fourier transforms, Image processing, Image enhancement, Matrices, Computer engineering, Nonlinear image processing, Algorithm development, Data processing, Image filtering

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Proceedings Article | 16 March 2015 Paper

Enhancement of galaxy images for improved classification

John Jenkinson, Artyom Grigoryan, Sos Agaian

Proceedings Volume 9399, 93990X (2015) https://doi.org/10.1117/12.2083144

KEYWORDS: Galactic astronomy, Image classification, Image segmentation, Principal component analysis, Image processing, Edge detection, Image enhancement, Feature extraction, Stars, Hubble Space Telescope

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Proceedings Article | 16 March 2015 Paper

Algorithms of the q2^r× q2^r-point 2D discrete Fourier transform

Artyom Grigoryan, Sos Agaian

Proceedings Volume 9399, 93990O (2015) https://doi.org/10.1117/12.2083471

KEYWORDS: Transform theory, Fourier transforms, Image processing, Image compression, Image enhancement, Signal processing, Matrices, Computer engineering, Current controlled current source, Signal generators

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Proceedings Article | 11 March 2015 Paper

Optimal color image restoration: Wiener filter and quaternion Fourier transform

Artyom Grigoryan, Sos Agaian

Proceedings Volume 9411, 94110P (2015) https://doi.org/10.1117/12.2083518

KEYWORDS: Fourier transforms, Image processing, Filtering (signal processing), Convolution, Interference (communication), Optimal filtering, Signal processing, Electronic filtering, Image restoration, Image filtering

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Proceedings Article | 11 March 2015 Paper

Fourier transforms with rotations on circles or ellipses in signal and image processing

Artyom Grigoryan

Proceedings Volume 9411, 94110Q (2015) https://doi.org/10.1117/12.2083543

KEYWORDS: Fourier transforms, Transform theory, Image enhancement, Image processing, Signal processing, Data compression, Pattern recognition, Image restoration, Image encryption, Matrices

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Proceedings Article | 11 March 2015 Paper

Fast Retinex for color image enhancement: methods and algorithms

Analysa Gonzales, Artyom Grigoryan

Proceedings Volume 9411, 94110F (2015) https://doi.org/10.1117/12.2083546

KEYWORDS: Image enhancement, Image processing, Image filtering, Gaussian filters, RGB color model, Algorithm development, 3D image processing, 3D image enhancement, Reflectivity, Visualization

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Proceedings Article | 11 March 2015 Paper

Fast heap transform-based QR-decomposition of real and complex matrices: algorithms and codes

Artyom Grigoryan

Proceedings Volume 9411, 94110N (2015) https://doi.org/10.1117/12.2083404

KEYWORDS: Matrices, Signal processing, Tantalum, Terbium, Digital signal processing, Image enhancement, MATLAB, Image processing, Signal generators, Imaging systems

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Proceedings Article | 7 March 2014 Paper

Novel tensor transform-based method of image reconstruction from limited-angle projection data

Artyom Grigoryan, Nan Du

Proceedings Volume 9020, 90200F (2014) https://doi.org/10.1117/12.2038255

KEYWORDS: Image restoration, Reconstruction algorithms, Fourier transforms, Image quality, Data processing, Signal to noise ratio, Interference (communication), 3D image processing, CT reconstruction, Image filtering

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Proceedings Article | 25 February 2014 Paper

Fibonacci thresholding: signal representation and morphological filters

Artyom Grigoryan, Sos Agaian

Proceedings Volume 9019, 90190T (2014) https://doi.org/10.1117/12.2038278

KEYWORDS: Image processing, Image filtering, Image segmentation, Signal processing, Electronic filtering, Binary data, Nonlinear filtering, Digital filtering, Image enhancement, Transform theory

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Proceedings Article | 25 February 2014 Paper

Alpha-rooting method of color image enhancement by discrete quaternion Fourier transform

Artyom Grigoryan, Sos Agaian

Proceedings Volume 9019, 901904 (2014) https://doi.org/10.1117/12.2040596

KEYWORDS: Image enhancement, Image processing, Fourier transforms, Color image processing, Image quality, RGB color model, Signal processing, Visualization, Visual system, Image filtering

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Proceedings Article | 25 February 2014 Paper

A novel method of filtration by the discrete heap transforms

Artyom Grigoryan, Mehdi Hajinoroozi

Proceedings Volume 9019, 901903 (2014) https://doi.org/10.1117/12.2039982

KEYWORDS: Transform theory, Signal processing, Image enhancement, Image processing, Image filtering, Electronic filtering, Fourier transforms, Signal generators, Interference (communication), Wave propagation

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Proceedings Article | 19 March 2013 Paper

Image reconstruction from limited-angle range projections

Nan Du, Yusheng Feng, Artyom Grigoryan

Proceedings Volume 8668, 86683I (2013) https://doi.org/10.1117/12.2007598

KEYWORDS: Reconstruction algorithms, Image restoration, Europium, Matrices, Medical imaging, Fourier transforms, Binary data, Image quality, 3D image processing, 3D image reconstruction

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Proceedings Article | 7 March 2013 Paper

Reconstruction of the image on the Cartesian lattice from a finite number of projections in computed-tomographic imaging

Nan Du, Yusheng Feng, Artyom Grigoryan

Proceedings Volume 8667, 866718 (2013) https://doi.org/10.1117/12.2000152

KEYWORDS: CT reconstruction, Image restoration, Reconstruction algorithms, Image processing, Chemical elements, Fourier transforms, Medical imaging, Computed tomography, Computer simulations, Computer engineering

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Proceedings Article | 7 March 2013 Paper

Method of G-particles for image reconstruction from a finite number of projections

Artyom Grigoryan, Nan Du

Proceedings Volume 8667, 866719 (2013) https://doi.org/10.1117/12.2000482

KEYWORDS: Particles, Image restoration, Transform theory, Convolution, Image processing, Fourier transforms, Matrices, Chemical elements, Computer programming, Image enhancement

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SPIE Journal Paper | 1 July 2010

Two-dimensional images in frequency-time representation: direction images and resolution map

Artyom Grigoryan, Nan Du

JEI, Vol. 19, Issue 3, 033012, (July 2010) https://doi.org/10.1117/12.10.1117/1.3483906

KEYWORDS: Transform theory, Image resolution, Bridges, Image processing, Image restoration, Wavelets, Superposition, Reconstruction algorithms, Contrast transfer function

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Proceedings Article | 5 May 2009 Paper

Fast unitary heap transforms: theory and application in cryptography

Artyom Grigoryan, Khalil Naghdali

Proceedings Volume 7351, 73510H (2009) https://doi.org/10.1117/12.818946

KEYWORDS: Transform theory, Signal processing, Image processing, Signal generators, Cryptography, Matrices, Fourier transforms, Telecommunications, Reconstruction algorithms, Wave propagation

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Proceedings Article | 11 February 2009 Paper

Reversible integer 2D Fourier transform

Elias Gonzalez, Artyom Grigoryan

Proceedings Volume 7245, 724503 (2009) https://doi.org/10.1117/12.804779

KEYWORDS: Transform theory, Fourier transforms, Control systems, Signal processing, Computer engineering, Image processing, Imaging systems, Electronic imaging, Current controlled current source, Binary data

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Proceedings Article | 11 February 2009 Paper

Decomposition by series direction images: image reconstruction and enhancement

Artyom Grigoryan

Proceedings Volume 7245, 72450Q (2009) https://doi.org/10.1117/12.804600

KEYWORDS: Image enhancement, Image processing, Image restoration, Fourier transforms, X-rays, Sensors, Reconstruction algorithms, X-ray detectors, Signal processing, Diagnostics

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Proceedings Article | 11 February 2009 Paper

Discrete integer Fourier transform in real space: elliptic Fourier transform

Artyom Grigoryan, Merughan Grigoryan

Proceedings Volume 7245, 724502 (2009) https://doi.org/10.1117/12.804543

KEYWORDS: Fourier transforms, Matrices, Signal processing, Binary data, Reconstruction algorithms, Detection and tracking algorithms, Image processing, Space operations, Radon, Curium

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Proceedings Article | 20 September 2007 Paper

New discrete unitary Haar-type heap transforms

Artyom Grigoryan, Merughan Grigoryan

Proceedings Volume 6701, 670126 (2007) https://doi.org/10.1117/12.728386

KEYWORDS: Transform theory, Signal generators, Signal processing, Electronic filtering, Wavelets, Image processing, Matrices, Fourier transforms, Wavelet transforms, Electrical engineering

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Proceedings Article | 20 September 2007 Paper

Discrete unitary transforms generated by moving waves

Artyom Grigoryan, Merughan Grigoryan

Proceedings Volume 6701, 670125 (2007) https://doi.org/10.1117/12.728383

KEYWORDS: Transform theory, Signal processing, Wavelets, Wavelet transforms, Matrices, Signal generators, Wave propagation, Fourier transforms, Image processing, Interference (communication)

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Proceedings Article | 12 May 2006 Paper

Paired directional transform-based methods of image enhancement

Fatma Arslan, Joann Moreno, Artyom Grigoryan

Proceedings Volume 6246, 62460K (2006) https://doi.org/10.1117/12.669674

KEYWORDS: Image enhancement, Image processing, Wavelets, Denoising, Image filtering, Wavelet transforms, Fourier transforms, Signal processing, Visualization, Signal to noise ratio

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Proceedings Article | 12 May 2006 Paper

Novel method of tensor representation for reconstruction of 3D PET images from projections

Srikrishna Alla, Joann Moreno, Artyom Grigoryan

Proceedings Volume 6246, 624602 (2006) https://doi.org/10.1117/12.663685

KEYWORDS: 3D image processing, Positron emission tomography, Sensors, Reconstruction algorithms, Image restoration, Scanners, 3D image reconstruction, Fourier transforms, Molecules, Image processing

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Proceedings Article | 25 May 2005 Paper

New methods of image enhancement

Fatma Arslan, Joann Moreno, Artyom Grigoryan

Proceedings Volume 5817, (2005) https://doi.org/10.1117/12.603022

KEYWORDS: Image enhancement, Image processing, Image quality, Transform theory, Fourier transforms, Signal processing, Medical imaging, Image contrast enhancement, Computed tomography, Visual system

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Proceedings Article | 1 March 2005 Paper

New method of calculation of reversible integer 1D DCTs

Artyom Grigoryan, Veerabhadra Bhamidipati, Srikrishna Alla

Proceedings Volume 5672, (2005) https://doi.org/10.1117/12.586203

KEYWORDS: Transform theory, Image compression, Matrices, Image processing, Computer programming, Image filtering, Algorithm development, Electrical engineering, Signal processing, Telecommunications

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Proceedings Article | 28 May 2004 Paper

Method of arithmetical thresholding of images

Fatma Arslan, James Vital, Artyom Grigoryan

Proceedings Volume 5298, (2004) https://doi.org/10.1117/12.524287

KEYWORDS: Transform theory, Image processing, Binary data, Signal processing, Nonlinear filtering, Image filtering, Image enhancement, Image segmentation, Nonlinear optics, Electronic filtering

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Proceedings Article | 28 May 2004 Paper

Parameterized reversible integer discrete cosine transforms

Veerabhadra Bhamidipati, Artyom Grigoryan

Proceedings Volume 5298, (2004) https://doi.org/10.1117/12.525733

KEYWORDS: Transform theory, Image compression, Matrices, Image processing, Error analysis, Complex systems, Chemical elements, Telecommunications, Standards development, Video coding

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Proceedings Article | 28 May 2003 Paper

Tensor form of image representation: enhancement by image-signals

Artyom Grigoryan, Sos Agaian

Proceedings Volume 5014, (2003) https://doi.org/10.1117/12.473063

KEYWORDS: Image enhancement, Transform theory, Image processing, Fourier transforms, Image filtering, Visualization, Signal processing, Visual system, Clocks, Visual process modeling

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Proceedings Article | 28 May 2003 Paper

Nontraditional cross sections and morphological operations

Artyom Grigoryan

Proceedings Volume 5014, (2003) https://doi.org/10.1117/12.473059

KEYWORDS: Mathematical morphology, Image processing, Visualization, Transform theory, Gallium, Electrical engineering, Nonlinear optics, Nonlinear image processing, Complex systems, Signal processing

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Proceedings Article | 22 May 2002 Paper

Automatic counting of illuminated spheres in a random Boolean model

Artyom Grigoryan, Edward Dougherty

Proceedings Volume 4667, (2002) https://doi.org/10.1117/12.467979

KEYWORDS: Optical spheres, 3D modeling, Statistical modeling, Statistical analysis, Human-machine interfaces, Software development, Visualization, Interference (communication), Algorithm development, Binary data

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SPIE Journal Paper | 1 January 2002 Open Access

Morphological spot counting from stacked images for automated analysis of gene copy numbers by fluorescence in situ hybridization

Artyom Grigoryan, Edward Dougherty, Juha Kononen, Lukas Bubendorf, Galen Hosteter, Ollie Kallionienmi

JBO, Vol. 7, Issue 01, (January 2002) https://doi.org/10.1117/12.10.1117/1.1428292

KEYWORDS: Binary data, Image segmentation, Tissues, 3D image processing, Image processing algorithms and systems, Image analysis, Luminescence, Visualization, Algorithm development, 3D modeling

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Proceedings Article | 8 May 2001 Paper

Morphological slice-based counting of illuminated 3D bodies

Artyom Grigoryan, Edward Dougherty

Proceedings Volume 4304, (2001) https://doi.org/10.1117/12.424988

KEYWORDS: 3D modeling, Algorithm development, 3D image processing, Binary data, Image filtering, Tissues, Image segmentation, Interference (communication), Software development, Detection and tracking algorithms

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Proceedings Article | 26 April 2000 Paper

Rapid analysis of gene copy numbers in cancer by FISH and automated spot counting from stacked confocal images

Artyom Grigoryan, Edward Dougherty, Lukas Bubendorf, Juha Kononen, Ollie Kallionienmi

Proceedings Volume 3924, (2000) https://doi.org/10.1117/12.384245

KEYWORDS: Binary data, Image segmentation, Image processing algorithms and systems, Evolutionary algorithms, Cancer, Confocal microscopy, Tissues, Visualization, Microscopes, Algorithm development

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Proceedings Article | 24 September 1998 Paper

Binary filter design: optimization, prior information, and robustness

Edward Dougherty, Artyom Grigoryan, Junior Barrera, Nina Hirata

Proceedings Volume 3457, (1998) https://doi.org/10.1117/12.323448

KEYWORDS: Optimal filtering, Image filtering, Error analysis, Digital filtering, Statistical analysis, Image processing, Argon, Binary data, Protactinium, Lead

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Proceedings Article | 6 April 1998 Paper

Designing robust binary filters

Artyom Grigoryan, Edward Dougherty

Proceedings Volume 3304, (1998) https://doi.org/10.1117/12.304598

KEYWORDS: Image filtering, Optimal filtering, Data modeling, Image processing, Binary data, Digital filtering, Medical diagnostics, Medical imaging, Electrical engineering, Logic

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SPIE Journal Paper | 1 January 1998

Robustness of optimal binary filters

Artyom Grigoryan, Edward Dougherty

JEI, Vol. 7, Issue 01, (January 1998) https://doi.org/10.1117/12.10.1117/1.482633

KEYWORDS: Image filtering, Optimal filtering, Interference (communication), Image processing, Electronic filtering, Signal processing, Filtering (signal processing), Error analysis, Statistical analysis, Fourier transforms

Proceedings Article | 14 October 1997 Paper

Robustness of optimal binary filters for sparse noise

Edward Dougherty, Artyom Grigoryan

Proceedings Volume 3167, (1997) https://doi.org/10.1117/12.290275

KEYWORDS: Image processing, Image filtering, Optimal filtering, Error analysis

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Proceedings Article | 4 April 1997 Paper

Mixed median filters and their properties

Artyom Grigoryan

Proceedings Volume 3026, (1997) https://doi.org/10.1117/12.271131

KEYWORDS: Digital filtering, Filtering (signal processing), Electronic filtering, Image filtering, Nonlinear filtering, Binary data, Signal processing, Image processing, Radon, Mathematical morphology

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Proceedings Article | 25 March 1996 Paper

New models and nonlinear filters of image restoration

Artyom Grigoryan, Sos Agaian

Proceedings Volume 2662, (1996) https://doi.org/10.1117/12.235824

KEYWORDS: Image restoration, Image filtering, Systems modeling, Nonlinear filtering, Electronic filtering, Image acquisition, Filtering (signal processing), Complex systems, Convolution, Lutetium

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Proceedings Article | 28 March 1995 Paper

Quasilinear spaces: a general framework for nonlinear filtering

Artyom Grigoryan, Sos Agaian, Jaakko Astola

Proceedings Volume 2424, (1995) https://doi.org/10.1117/12.205218

KEYWORDS: Space operations, Digital filtering, Vector spaces, Complex systems, Tantalum, Nonlinear filtering, Binary data, Signal processing, Convolution, Mathematical morphology

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