Dr. Sandeep Kumar Kalva Profile

Dr. Sandeep Kumar Kalva

Post doctoral Fellow at Univ Zürich

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Author

Publications (20)

Proceedings Article | 13 March 2024 Presentation

Bridging the simulation gap in photoacoustic imaging by calibration with tissue-mimicking phantoms

Janek Gröhl, Sandeep Kumar Kalva, Berkan Lafci, Francesca Di Cecio, Daniel Razansky, Sarah Bohndiek

Proceedings Volume PC12842, PC1284218 (2024) https://doi.org/10.1117/12.3001377

KEYWORDS: Calibration, Photoacoustic imaging, Photoacoustic spectroscopy, Optoacoustics, Computer simulations, Photoacoustic tomography, Ultrasonography, Tissues, Modeling, Medical imaging

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Proceedings Article | 12 March 2024 Presentation + Paper

Full-view low-cost LED-based optoacoustic tomography

Xiang Liu, Sandeep Kumar Kalva, Berkan Lafci, Daniil Nozdriukhin, Xosé Luís Deán-Ben, Daniel Razansky

Proceedings Volume 12842, 128420G (2024) https://doi.org/10.1117/12.3000380

KEYWORDS: Light emitting diodes, Tomography, Optoacoustics, Image restoration, Reconstruction algorithms, Imaging systems, Image quality, Ultrasound transducers, Ultrasonography, Photoacoustic imaging

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Proceedings Article | 9 March 2023 Presentation + Paper

Spiral Volumetric Optoacoustic Tomography (SVOT) of mice from head to tail

Sandeep Kumar Kalva, Xosé Luís Deán-Ben, Michael Reiss, Daniel Razansky

Proceedings Volume 12379, 123790G (2023) https://doi.org/10.1117/12.2650144

KEYWORDS: Animals, Optoacoustics, Head, Spherical lenses, Tomography, Light sources and illumination, Imaging systems, Data acquisition, Whole body imaging, In vivo imaging

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Proceedings Article | 3 March 2022 Presentation + Paper

Optoacoustic visualization of individual core-shell microparticles in vivo

Daniil Nozdriukhin, Sandeep Kumar Kalva, Weiye Li, Jim Zhao, Alexey Yashchenok, Dmitry Gorin, Daniel Razansky, Xosé Luís Deán-Ben

Proceedings Volume 11960, 1196016 (2022) https://doi.org/10.1117/12.2608617

KEYWORDS: Particles, Optoacoustics, In vivo imaging, Visualization, Tissues, Brain, Tomography, Signal detection, Neuroimaging

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Proceedings Article | 3 March 2022 Presentation + Paper

Whole body imaging of mice in under 2 sec with single-sweep volumetric optoacoustic tomography (sSVOT)

Sandeep Kumar Kalva, Xosé Luís Deán-Ben, Michael Reiss, Daniel Razansky

Proceedings Volume 11960, 1196005 (2022) https://doi.org/10.1117/12.2608652

KEYWORDS: Optoacoustics, Spherical lenses, Whole body imaging, Tomography, Visualization, Temporal resolution, Kidney, Data acquisition, Blood vessels, Transducers

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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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Proceedings Article | 5 March 2021 Presentation + Paper

Whole-body visualization of nanoagent kinetics in mice with flash scanning volumetric optoacoustic tomography

Sandeep Kumar Kalva, Avihai Ron, Vijitha Periyasamy, Michael Reiss, Xosé Luís Deán-Ben, Daniel Razansky

Proceedings Volume 11642, 116420A (2021) https://doi.org/10.1117/12.2577844

KEYWORDS: Visualization, Tomography, Optoacoustics, Image resolution, Transducers, Therapeutics, Temporal resolution, Spleen, Spherical lenses, Organisms

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Proceedings Article | 27 February 2019 Paper

Pulsed laser diode based photoacoustic tomography system using multiple acoustic reflector based single element ultrasound transducers

Sandeep Kumar Kalva, Paul Kumar Upputuri, Rhonnie Austria Dienzo, Manojit Pramanik

Proceedings Volume 10878, 1087831 (2019) https://doi.org/10.1117/12.2508281

KEYWORDS: Imaging systems, Transducers, Semiconductor lasers, Photoacoustic tomography, Acoustics, Reflectors, Pulsed laser operation, Blood

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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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Proceedings Article | 19 February 2018 Paper

Comparison of continuous and stop-and-go scanning techniques in photoacoustic tomography

Arunima Sharma , Sandeep Kumar Kalva, Manojit Pramanik

Proceedings Volume 10494, 104943L (2018) https://doi.org/10.1117/12.2288095

KEYWORDS: Acquisition tracking and pointing, Transducers, Image quality, Nd:YAG lasers, Photoacoustic tomography, Ultrasonography, Imaging systems, Signal to noise ratio, Pulsed laser operation

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Proceedings Article | 19 February 2018 Paper

Multiple single-element transducer photoacoustic computed tomography system

Sandeep Kumar Kalva, Zhe Zhi Hui, Manojit Pramanik

Proceedings Volume 10494, 104944D (2018) https://doi.org/10.1117/12.2286606

KEYWORDS: Photoacoustic tomography, Transducers, Calibration, Reconstruction algorithms, Data acquisition, Sensors, Signal to noise ratio

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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 | 3 March 2017 Paper

Compact photoacoustic tomography system

Sandeep Kumar Kalva, Manojit Pramanik

Proceedings Volume 10064, 100643X (2017) https://doi.org/10.1117/12.2250493

KEYWORDS: Photoacoustic tomography, Transducers, Tomography, Ultrasonography, Biomedical optics, Brain imaging, Reflectors, Acoustics, Data acquisition, Imaging systems, Signal to noise ratio

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Proceedings Article | 3 March 2017 Paper

Modified delay-and-sum reconstruction algorithm to improve tangential resolution in photoacoustic tomography

Sandeep Kumar Kalva, Manojit Pramanik

Proceedings Volume 10064, 100643W (2017) https://doi.org/10.1117/12.2250487

KEYWORDS: Reconstruction algorithms, Photoacoustic tomography, Image resolution, Tomography, Transducers, Computed tomography, Acquisition tracking and pointing, Tissues, Acoustics, Photoacoustic spectroscopy

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Proceedings Article | 3 March 2017 Paper

Pulsed laser diode photoacoustic tomography (PLD-PAT) system for fast in vivo imaging of small animal brain

Paul Kumar Upputuri, Sandeep Kumar Kalva, Mohesh Moothanchery, Manojit Pramanik

Proceedings Volume 10064, 100645O (2017) https://doi.org/10.1117/12.2250481

KEYWORDS: Imaging systems, Semiconductor lasers, Photoacoustic tomography, In vivo imaging, Preclinical imaging, Neuroimaging, Brain, Brain imaging, Absorption, Ultrasonography

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SPIE Journal Paper | 24 February 2017 Open Access

Use of acoustic reflector to make a compact photoacoustic tomography system

Sandeep Kumar Kalva, Manojit Pramanik

JBO, Vol. 22, Issue 02, 026009, (February 2017) https://doi.org/10.1117/12.10.1117/1.JBO.22.2.026009

KEYWORDS: Acquisition tracking and pointing, Reflectors, Acoustics, Transducers, Signal to noise ratio, Photoacoustic tomography, Imaging systems, Data acquisition, Sensors, Ultrasonography

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SPIE Journal Paper | 22 August 2016 Open Access

Experimental validation of tangential resolution improvement in photoacoustic tomography using modified delay-and-sum reconstruction algorithm

Sandeep Kumar Kalva, Manojit Pramanik

JBO, Vol. 21, Issue 08, 086011, (August 2016) https://doi.org/10.1117/12.10.1117/1.JBO.21.8.086011

KEYWORDS: Reconstruction algorithms, Sensors, Signal to noise ratio, Acquisition tracking and pointing, Transducers, Tissues, Blood vessels, Ultrasonography, Photoacoustic tomography, Photoacoustic spectroscopy

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