Prof. Phaneendra K. Yalavarthy Profile

Prof. Phaneendra K. Yalavarthy

Associate 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 (23)

Proceedings Article | 5 March 2021 Poster + Presentation

Fractional regularization improves photoacoustic image reconstruction

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

Proc. SPIE. 11642, Photons Plus Ultrasound: Imaging and Sensing 2021

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

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SPIE Journal Paper | 25 October 2018

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

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

Image-guided filtering for improving photoacoustic tomographic image reconstruction

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

JBO Vol. 23 Issue 09

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

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

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

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

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

Proc. SPIE. 10133, Medical Imaging 2017: Image Processing

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

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SPIE Journal Paper | 20 October 2016

Computationally efficient error estimate for evaluation of regularization in photoacoustic tomography

Manish Bhatt, Atithi Acharya, Phaneendra Yalavarthy

JBO Vol. 21 Issue 10

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

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

Manish Bhatt, Kaylan Ayyalasomayajula, Phaneendra Yalavarthy

JBO Vol. 21 Issue 07

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

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

Calvin Shaw, Phaneendra Yalavarthy

JBO Vol. 19 Issue 03

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

Proc. SPIE. 9040, Medical Imaging 2014: Ultrasonic Imaging and Tomography

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

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SPIE Journal Paper | 31 July 2013

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

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

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

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

Minimal residual method provides optimal regularization parameter for diffuse optical tomography

Ravi Prasad Jagannath, Phaneedra Yalavarthy

JBO Vol. 17 Issue 10

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

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

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

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

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

Interstitial fluid pressure due to externally applied force in breast tissue

Andrew Darling, Phaneendra Yalavarthy, Hamid Dehghani, Brian Pogue

Proc. SPIE. 6431, Multimodal Biomedical Imaging II

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

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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

Proc. SPIE. 6431, Multimodal Biomedical Imaging II

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

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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

Proc. SPIE. 6434, Optical Tomography and Spectroscopy of Tissue VII

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

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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

Proc. SPIE. 6434, Optical Tomography and Spectroscopy of Tissue VII

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

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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

Proc. SPIE. 5693, Optical Tomography and Spectroscopy of Tissue VI

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

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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

Proc. SPIE. 5693, Optical Tomography and Spectroscopy of Tissue VI

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

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SPIE Journal Paper | 1 September 2004

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

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

Proc. SPIE. 5486, ALT'03 International Conference on Advanced Laser Technologies: Biomedical Optics

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

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Showing 5 of 23 publications

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