Prof. Phaneendra K. Yalavarthy Profile

Prof. Phaneendra K. Yalavarthy

Professor at Indian Institute of Science

SPIE Involvement:

Author

Area of Expertise:

Biomedical Optics , Image Reconstruction , Diffuse Optical Imaging , Photoacoustic Imaging

Websites:

Personal Website

Publications (24)

SPIE Journal Paper | 18 August 2021 Open Access

Binary photoacoustic tomography for improved vasculature imaging

Jaya Prakash, Sandeep Kumar Kalva, Manojit Pramanik, Phaneendra Yalavarthy

JBO, Vol. 26, Issue 08, 086004, (August 2021) https://doi.org/10.1117/12.10.1117/1.JBO.26.8.086004

KEYWORDS: Binary data, Tomography, Reconstruction algorithms, Photoacoustic tomography, Photoacoustic spectroscopy, Signal to noise ratio, Sensors, Image segmentation, Acquisition tracking and pointing, Data modeling

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Proceedings Article | 5 March 2021 Poster + Presentation

Fractional regularization improves photoacoustic image reconstruction

Jaya Prakash, Dween Sanny, Sandeep Kalva, Manojit Pramanik, Phaneendra Yalavarthy

Proceedings Volume 11642, 1164236 (2021) https://doi.org/10.1117/12.2582486

KEYWORDS: Image restoration, Acquisition tracking and pointing, Transducers, Photoacoustic tomography, Numerical simulations, In vivo imaging, Data acquisition, Acoustics, Photoacoustic spectroscopy

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SPIE Journal Paper | 25 October 2018 Open Access

Spatially variant regularization based on model resolution and fidelity embedding characteristics improves photoacoustic tomography

Dween Rabius Sanny, Jaya Prakash, Sandeep Kumar Kalva, Manojit Pramanik, Phaneendra K. Yalavarthy

JBO, Vol. 23, Issue 10, 100502, (October 2018) https://doi.org/10.1117/12.10.1117/1.JBO.23.10.100502

KEYWORDS: Signal to noise ratio, Data modeling, Sensors, Image resolution, Photoacoustic tomography, In vivo imaging, Acoustics, Model-based design, Tissues, Tomography

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SPIE Journal Paper | 25 June 2018 Open Access

Image-guided filtering for improving photoacoustic tomographic image reconstruction

Navchetan Awasthi, Sandeep Kumar Kalva, Manojit Pramanik, Phaneendra Yalavarthy

JBO, Vol. 23, Issue 09, 091413, (June 2018) https://doi.org/10.1117/12.10.1117/1.JBO.23.9.091413

KEYWORDS: Image filtering, Signal to noise ratio, Wavelets, Denoising, Sensors, Photoacoustic spectroscopy, Tomography, Image restoration, Reconstruction algorithms, Image fusion

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SPIE Journal Paper | 5 February 2018 Open Access

Vector extrapolation methods for accelerating iterative reconstruction methods in limited-data photoacoustic tomography

Navchetan Awasthi, Sandeep Kumar Kalva, Manojit Pramanik, Phaneendra Yalavarthy

JBO, Vol. 23, Issue 07, 071204, (February 2018) https://doi.org/10.1117/12.10.1117/1.JBO.23.7.071204

KEYWORDS: Signal to noise ratio, Reconstruction algorithms, Data acquisition, Sensors, Image restoration, Iterative methods, Blood vessels, Image quality, Photoacoustic tomography, Photoacoustic spectroscopy

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SPIE Journal Paper | 2 November 2017 Open Access

Deep neural network-based bandwidth enhancement of photoacoustic data

Sreedevi Gutta, Venkata Suryanarayana Kadimesetty, Sandeep Kumar Kalva, Manojit Pramanik, Sriram Ganapathy, Phaneendra K. Yalavarthy

JBO, Vol. 22, Issue 11, 116001, (November 2017) https://doi.org/10.1117/12.10.1117/1.JBO.22.11.116001

KEYWORDS: Signal detection, Deconvolution, Transducers, Neural networks, Photoacoustic spectroscopy, Acquisition tracking and pointing, Signal to noise ratio, Sensors, Blood vessels, Ultrasonography

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Proceedings Article | 24 February 2017 Presentation + Paper

Rapid perfusion quantification using Welch-Satterthwaite approximation and analytical spectral filtering

Karthik Krishnan, Kasireddy Reddy, Bhavya Ajani, Phaneendra Yalavarthy

Proceedings Volume 10133, 101330Q (2017) https://doi.org/10.1117/12.2249975

KEYWORDS: Deconvolution, Optical filters, Image analysis, Cerebral blood flow, Tissues, Blood circulation, Blood, Fourier transforms, Linear filtering, Convolution, Signal to noise ratio, Computed tomography, Imaging systems, Brain

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SPIE Journal Paper | 20 October 2016 Open Access

Computationally efficient error estimate for evaluation of regularization in photoacoustic tomography

Manish Bhatt, Atithi Acharya, Phaneendra Yalavarthy

JBO, Vol. 21, Issue 10, 106002, (October 2016) https://doi.org/10.1117/12.10.1117/1.JBO.21.10.106002

KEYWORDS: Error analysis, Reconstruction algorithms, Biological research, Image restoration, Photoacoustic tomography, Blood vessels, Data modeling, Image filtering, Computing systems, Model-based design

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SPIE Journal Paper | 20 July 2016 Open Access

Generalized Beer–Lambert model for near-infrared light propagation in thick biological tissues

Manish Bhatt, Kaylan Ayyalasomayajula, Phaneendra Yalavarthy

JBO, Vol. 21, Issue 07, 076012, (July 2016) https://doi.org/10.1117/12.10.1117/1.JBO.21.7.076012

KEYWORDS: Tissues, Sensors, Near infrared, Animal model studies, Signal attenuation, Monte Carlo methods, Absorption, Data modeling, Optical properties, Diffusion

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SPIE Journal Paper | 21 March 2014 Open Access

Incoherence-based optimal selection of independent measurements in diffuse optical tomography

Calvin Shaw, Phaneendra Yalavarthy

JBO, Vol. 19, Issue 03, 036017, (March 2014) https://doi.org/10.1117/12.10.1117/1.JBO.19.3.036017

KEYWORDS: Optical properties, Diffuse optical tomography, Absorption, Near infrared, Data modeling, Tissue optics, Breast, Diffuse optical imaging, Image quality, Scattering

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Proceedings Article | 20 March 2014 Paper

Born-ratio type data normalization improves quantitation in photoacoustic tomography

M. Suheshkumar Singh, Phaneendra Yalavarthy

Proceedings Volume 9040, 90401T (2014) https://doi.org/10.1117/12.2035213

KEYWORDS: Tissue optics, Photoacoustic spectroscopy, Tissues, Absorption, Sensors, Photoacoustic tomography, Acquisition tracking and pointing, Acoustics, Laser tissue interaction, Signal to noise ratio

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SPIE Journal Paper | 31 July 2013 Open Access

Least squares QR-based decomposition provides an efficient way of computing optimal regularization parameter in photoacoustic tomography

Calvin Shaw, Jaya Prakash, Manojit Pramanik, Phaneendra Yalavarthy

JBO, Vol. 18, Issue 08, 080501, (July 2013) https://doi.org/10.1117/12.10.1117/1.JBO.18.8.080501

KEYWORDS: Image restoration, Reconstruction algorithms, Photoacoustic tomography, Blood vessels, Matrices, Sensors, Photoacoustic imaging, Tissue optics, Computing systems, Electrical engineering

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SPIE Journal Paper | 20 March 2013 Open Access

Efficient gradient-free simplex method for estimation of optical properties in image-guided diffuse optical tomography

Ravi Prasad Jagannath, Phaneendra Yalavarthy

JBO, Vol. 18, Issue 03, 030503, (March 2013) https://doi.org/10.1117/12.10.1117/1.JBO.18.3.030503

KEYWORDS: Image restoration, Optical properties, Diffuse optical tomography, Diffuse optical imaging, Optical imaging, Geometrical optics, Algorithm development, Tomography, Biomedical optics, Tissue optics

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SPIE Journal Paper | 10 October 2012 Open Access

Minimal residual method provides optimal regularization parameter for diffuse optical tomography

Ravi Prasad Jagannath, Phaneedra Yalavarthy

JBO, Vol. 17, Issue 10, 106015, (October 2012) https://doi.org/10.1117/12.10.1117/1.JBO.17.10.106015

KEYWORDS: Data modeling, Inverse problems, Diffuse optical tomography, Optical properties, Absorption, Near infrared, Tissues, Image quality, Image restoration, Optical fibers

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SPIE Journal Paper | 9 August 2012 Open Access

Effective contrast recovery in rapid dynamic near-infrared diffuse optical tomography using ℓ₁-norm-based linear image reconstruction method

Calvin Shaw, Phaneedra Yalavarthy

JBO, Vol. 17, Issue 8, 086009, (August 2012) https://doi.org/10.1117/12.10.1117/1.JBO.17.8.086009

KEYWORDS: Diffuse optical tomography, Near infrared, Data modeling, Inverse problems, Image restoration, Diffuse optical imaging, Tissue optics, Tumors, Optical properties, Tomography

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SPIE Journal Paper | 1 November 2010 Open Access

Accelerating frequency-domain diffuse optical tomographic image reconstruction using graphics processing units

Jaya Prakash, Venkittarayan Chandrasekharan, Vishwajith Upendra, Phaneedra Yalavarthy

JBO, Vol. 15, Issue 06, 066009, (November 2010) https://doi.org/10.1117/12.10.1117/1.3506216

KEYWORDS: Image restoration, Tomography, Data modeling, Computing systems, Optical properties, Matrices, Reconstruction algorithms, Biomedical optics, Inverse optics, Tissue optics

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Proceedings Article | 20 February 2007 Paper

Structural a priori information in near-infrared optical tomography

Hamid Dehghani, Colin Carpenter, Phaneendra Yalavarthy, Brian Pogue, Joseph Culver

Proceedings Volume 6431, 64310B (2007) https://doi.org/10.1117/12.699547

KEYWORDS: Near infrared, Magnetic resonance imaging, Tissues, Image restoration, Tissue optics, Optical tomography, Image resolution, Optical properties, Physiology, Reconstruction algorithms

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Proceedings Article | 20 February 2007 Paper

Interstitial fluid pressure due to externally applied force in breast tissue

Andrew Darling, Phaneendra Yalavarthy, Hamid Dehghani, Brian Pogue

Proceedings Volume 6431, 64310Z (2007) https://doi.org/10.1117/12.700491

KEYWORDS: Tissues, Tumors, Breast, Finite element methods, Natural surfaces, Solids, Microfluidics, Near infrared, Vegetable oil, Composites

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Proceedings Article | 13 February 2007 Paper

Comparing two regularization techniques for diffuse optical tomography

Scott Davis, Hamid Dehghani, Phaneendra Yalavarthy, Brian Pogue, Keith Paulsen

Proceedings Volume 6434, 64340X (2007) https://doi.org/10.1117/12.700364

KEYWORDS: Diffuse optical tomography, Scattering, Inverse problems, Tissue optics, Absorption, Reconstruction algorithms, Tissues, Diffusion, Finite element methods, Image quality

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Proceedings Article | 13 February 2007 Paper

Cramer-Rao estimation of error limits for diffuse optical tomography with spatial prior information

Phaneendra Yalavarthy, Rajesh Langoju, Brian Pogue, Hamid Dehghani, Abhijit Patil, Keith Paulsen

Proceedings Volume 6434, 643403 (2007) https://doi.org/10.1117/12.699404

KEYWORDS: Signal to noise ratio, Data modeling, Error analysis, Diffuse optical tomography, Optical properties, Tissue optics, Scattering, Inverse problems, Tissues, Sensors

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Proceedings Article | 28 April 2005 Paper

Measurement optimization for near-infrared optical tomography

Yalavarthy Kumar, Hamid Dehghani, Brian Pogue, Keith Paulsen

Proceedings Volume 5693, (2005) https://doi.org/10.1117/12.589681

KEYWORDS: 3D metrology, Optical fibers, Near infrared, Absorption, 3D image reconstruction, 3D image processing, 3D modeling, Optical tomography, Tissue optics, Data acquisition

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Proceedings Article | 28 April 2005 Paper

Spectral-encoding for parallel source implementation in NIR tomography

Daqing Piao, Shudong Jiang, Subhadra Srinivasan, Yalavarthy Kumar, Xiaomei Song, Brian Pogue

Proceedings Volume 5693, (2005) https://doi.org/10.1117/12.594061

KEYWORDS: Spectroscopy, Tomography, Signal detection, Near infrared, Charge-coupled devices, Sensors, Light, Data acquisition, Computer programming, Tissue optics

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SPIE Journal Paper | 1 September 2004 Open Access

Reconstruction of optical properties of low-scattering tissue using derivative estimated through perturbation Monte-Carlo method

Yalavarthy Phaneendra Kumar, Ram Vasu

JBO, Vol. 9, Issue 05, (September 2004) https://doi.org/10.1117/12.10.1117/1.1778733

KEYWORDS: Optical properties, Reconstruction algorithms, Scattering, Absorption, Sensors, Tissue optics, Data modeling, Monte Carlo methods, Computer simulations, Solids

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Proceedings Article | 29 July 2004 Paper

Perturbation Monte-Carlo-based derivative estimation for imaging transport regime tissue optical properties

Yalavarthy Phaneendra Kumar, Kirtish Karlekar, Ram Vasu

Proceedings Volume 5486, (2004) https://doi.org/10.1117/12.571442

KEYWORDS: Optical properties, Scattering, Photons, Reconstruction algorithms, Tissue optics, Tissues, Absorption, Light scattering, Sensors, Monte Carlo methods

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Showing 5 of 24 publications

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