Dr. Ata Akin Profile

Dr. Ata Akin

Professor at Acibadem Üniversitesi

SPIE Involvement:

Author

Area of Expertise:

fNIRS , biomedical signal processing , medical instrumentation , mathematical physiology

Websites:

Personal Website

Profile Summary

Dr Akin received his PhD degree in Biomedical Engineering from Drexel University in 1998. Holds a BS degree in Electronics and Telecommunications Engineering from Istanbul Technical University. He serves as the Dean of Faculty of Engineering at Acibadem University since 2015. His interests are in functional neuroimaging, fNIRS, mathematical physiology and biodesign.

Publications (19)

SPIE Journal Paper | 30 September 2021 Open Access

Open Access

fNIRS-derived neurocognitive ratio as a biomarker for neuropsychiatric diseases

Ata Akin

NPh, Vol. 8, Issue 03, 035008, (September 2021) https://doi.org/10.1117/12.10.1117/1.NPh.8.3.035008

KEYWORDS: Curium, Control systems, Matrices, Principal component analysis, Brain, Neurophotonics, Light emitting diodes, Data analysis, Sensors, Binary data

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SPIE Journal Paper | 14 December 2017 Open Access

Open Access

Partial correlation-based functional connectivity analysis for functional near-infrared spectroscopy signals

Ata Akin

JBO, Vol. 22, Issue 12, 126003, (December 2017) https://doi.org/10.1117/12.10.1117/1.JBO.22.12.126003

KEYWORDS: Linear filtering, Matrices, Sensors, Signal detection, Filtering (signal processing), Hemodynamics, Electronic filtering, Brain, Error analysis, Near infrared spectroscopy

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SPIE Journal Paper | 21 August 2017 Open Access

Open Access

Graph theoretical approach to functional connectivity in prefrontal cortex via fNIRS

Zahra Einalou, Keivan Maghooli, Seyaed Kamaledin Setarehdan, Ata Akin

NPh, Vol. 4, Issue 04, 041407, (August 2017) https://doi.org/10.1117/12.10.1117/1.NPh.4.4.041407

KEYWORDS: Brain, Wavelets, Prefrontal cortex, Signal processing, Neuroimaging, Functional magnetic resonance imaging, Sensors, Near infrared spectroscopy, Neurophotonics, Hemodynamics

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SPIE Journal Paper | 21 August 2015 Open Access

Open Access

Similarity analysis of functional connectivity with functional near-infrared spectroscopy

Mehmet Dalmış, Ata Akın

JBO, Vol. 20, Issue 08, 086012, (August 2015) https://doi.org/10.1117/12.10.1117/1.JBO.20.8.086012

KEYWORDS: Matrices, Functional magnetic resonance imaging, Brain, Near infrared spectroscopy, Temporal resolution, Prefrontal cortex, Neuroimaging, Electroencephalography, Interference (communication), Brain mapping

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SPIE Journal Paper | 1 August 2011 Open Access

Open Access

Localization of an absorber in a turbid semi-infinite medium by spatially resolved continuous-wave diffuse reflectance measurements

Ertugrul Aksel, Ahu Turkoglu, Ata Akin, Ayse Ece Ercan

JBO, Vol. 16, Issue 08, 086010, (August 2011) https://doi.org/10.1117/12.10.1117/1.3615238

KEYWORDS: Continuous wave operation, Sensors, Absorption, Diffuse reflectance spectroscopy, Error analysis, Optical properties, Scattering, Photons, Tissue optics

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SPIE Journal Paper | 1 November 2008 Open Access

Open Access

Crosstalk and error analysis of fat layer on continuous wave near-infrared spectroscopy measurements

Ömer Sayli, Ertugrul Aksel, Ata Akin

JBO, Vol. 13, Issue 06, 064019, (November 2008) https://doi.org/10.1117/12.10.1117/1.3028008

KEYWORDS: Error analysis, Absorption, Near infrared spectroscopy, Tissues, Tissue optics, Skin, Monte Carlo methods, Chromophores, Photons, Ischemia

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Proceedings Article | 12 July 2007 Paper

Paper

High frequency oscillations in brain hemodynamic response

Ata Akin, Hayrunnisa Bolay

Proceedings Volume 6629, 66291F (2007) https://doi.org/10.1117/12.728233

KEYWORDS: Sensors, Brain, Signal detection, Hemodynamics, Filtering (signal processing), Linear filtering, Tissues, Oxygen, Electronic filtering, Functional near infrared spectroscopy

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Proceedings Article | 12 July 2007 Paper

Paper

Depth resolution by continuous-wave imaging

E. Burteçin Aksel, Ata Akin

Proceedings Volume 6629, 66290G (2007) https://doi.org/10.1117/12.728722

KEYWORDS: Photons, Sensors, Monte Carlo methods, Optical properties, Absorption, Continuous wave operation, Scattering, Image resolution, Diffuse optical imaging

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Proceedings Article | 1 March 2006 Paper

Paper

Effect of tissue heterogeneity on detectability of optical signals

Mustafa Fidan, Ata Akın

Proceedings Volume 6084, 60840M (2006) https://doi.org/10.1117/12.644075

KEYWORDS: Sensors, Signal detection, Tissue optics, Absorption, Diffusion, Spherical lenses, Tumors, Scattering, Light sources, Diffuse photon density waves

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Proceedings Article | 1 March 2006 Paper

Paper

Two-distance partial pathlength method for accurate measurement of muscle oxidative metabolism using fNIRS

Ömer Şayli, Ata Akın

Proceedings Volume 6084, 60840O (2006) https://doi.org/10.1117/12.644603

KEYWORDS: Absorption, Tissues, Monte Carlo methods, Sensors, Scattering, Mode conditioning cables, Near infrared spectroscopy, Photodetectors, Error analysis, Light scattering

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Proceedings Article | 14 February 2006 Paper

Paper

The effect of anisotropy constant on distribution of weight of diffuse-reflected photon packets on a hypothetical hemisphere-shaped detector

E.Burteçin Aksel, Ata Akın

Proceedings Volume 6084, 608403 (2006) https://doi.org/10.1117/12.646443

KEYWORDS: Scattering, Monte Carlo methods, Sensors, Anisotropy, Absorption, Refractive index, Light scattering, Optical properties, Tissue optics, Photon transport

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Proceedings Article | 13 February 2006 Paper

Paper

Measurement of quadriceps endurance by fNIRS

Devrim Erdem, Ömer Şayli, Mustafa Karahan, A. Akin

Proceedings Volume 6081, 608102 (2006) https://doi.org/10.1117/12.644082

KEYWORDS: Electromyography, Electrodes, Oxygen, Near infrared spectroscopy, Tissue optics, Light, Mode conditioning cables, Tissues, Light sources, Sensors

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Proceedings Article | 13 February 2006 Paper

Paper

Measurement of oxidative metabolism of the working human muscles by near-infrared spectroscopy

Akin Yücetaş, Ömer Şayli, Mustafa Karahan, Ata Akın

Proceedings Volume 6081, 608103 (2006) https://doi.org/10.1117/12.644594

KEYWORDS: Mode conditioning cables, Near infrared spectroscopy, Ischemia, Tissues, Blood circulation, Oxygen, Sensors, Functional near infrared spectroscopy, Thermal modeling, Biomedical optics

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Proceedings Article | 28 April 2005 Paper

Paper

fNIRS measurements in migraine

Ata Akin, Uzay Emir, Didem Bilensoy, Gulin Erdogan, Selcuk Candansyar, Hayrunnisa Bolay

Proceedings Volume 5693, (2005) https://doi.org/10.1117/12.590594

KEYWORDS: Sensors, Continuous wavelet transforms, Cerebral blood flow, Hemodynamics, Fourier transforms, Carbon dioxide, Arteries, Brain, Light emitting diodes, Photodetectors

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Proceedings Article | 28 April 2005 Paper

Paper

Frequency components in breath holding experiments

Ata Akin, Uzay Emir, Serhan Kalsin, Omer Sayli

Proceedings Volume 5693, (2005) https://doi.org/10.1117/12.590638

KEYWORDS: Continuous wavelet transforms, Sensors, Carbon monoxide, Hemodynamics, Fourier transforms, Functional near infrared spectroscopy, Blood, Carbon dioxide, Light emitting diodes, Photodetectors

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Proceedings Article | 28 April 2005 Paper

Paper

Distribution of exit angles of diffuse-reflected photons

E. Aksel, Ata Akin

Proceedings Volume 5693, (2005) https://doi.org/10.1117/12.590369

KEYWORDS: Photons, Scattering, Monte Carlo methods, Reflectivity, Absorption, Optical properties, Sensors, Spherical lenses, Stochastic processes, Tissue optics

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Proceedings Article | 25 April 2005 Paper

Paper

Design of an MR-compatible fNIRS instrument

Uzay Emir, Ahmet Ademoglu, Cengizhan Ozturk, Kubilay Aydin, Tamer Demiralp, Adnan Kurt, Alp Dincer, Ata Akin

Proceedings Volume 5686, (2005) https://doi.org/10.1117/12.590710

KEYWORDS: Light emitting diodes, Functional magnetic resonance imaging, Signal detection, Photodiodes, Near infrared, Sensors, Data acquisition, Fiber optics, Imaging systems, Tissues

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Proceedings Article | 25 April 2005 Paper

Paper

Behavioral reaction times are correlated with frequency shift in optical imaging signals

Ata Akin, Scott Bunce

Proceedings Volume 5686, (2005) https://doi.org/10.1117/12.586673

KEYWORDS: Hemodynamics, Sensors, Brain, Optical imaging, Signal attenuation, Visualization, Light emitting diodes, Photodetectors, Medical research, Medicine

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Proceedings Article | 29 June 2001 Paper

Paper

Design parameters for wearable optical imagers

Ata Akin, Sanghyun Kim, Kambiz Pourrezaei, Britton Chance, Shoko Nioka

Proceedings Volume 4250, (2001) https://doi.org/10.1117/12.434495

KEYWORDS: Imaging systems, Data acquisition, Image processing, Optical amplifiers, Breast cancer, Tissues, Voltage controlled current source, Operating systems, Tissue optics, Semiconductor lasers

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Showing 5 of 19 publications

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