Dr. Girijesh Yadava Profile

Dr. Girijesh Yadava

Senior Scientist/System Physics & Image Quality at GE Healthcare

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Publications (13)

Proceedings Article | 19 March 2014 Paper

Reduction of metal artifacts: beam hardening and photon starvation effects

Girijesh Yadava, Debashish Pal, Jiang Hsieh

Proceedings Volume 9033, 90332V (2014) https://doi.org/10.1117/12.2043661

KEYWORDS: Metals, Titanium, Computed tomography, Spine, Signal attenuation, Image segmentation, Algorithm development, Reconstruction algorithms, Image quality, Visualization

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Proceedings Article | 9 March 2012 Paper

Image quality evaluation of iterative CT reconstruction algorithms: a perspective from spatial domain noise texture measures

Jan Pachon, Girijesh Yadava, Debashish Pal, Jiang Hsieh

Proceedings Volume 8313, 83132K (2012) https://doi.org/10.1117/12.912424

KEYWORDS: Infrared imaging, Reconstruction algorithms, Image quality, Modulation transfer functions, Statistical analysis, Monte Carlo methods, CT reconstruction, Computed tomography, Sensors, Image quality standards

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Proceedings Article | 29 February 2012 Paper

Evaluation of low contrast detectability performance using two-alternative forced choice method on computed tomography dose reduction algorithms

Jiahua Fan, Priti Madhav, Paavana Sainath, Ximiao Cao, Haifeng Wu, Roy Nilsen, Adam Budde, Girijesh Yadava, Jean-Baptiste Thibault, Jiang Hsieh

Proceedings Volume 8318, 83181F (2012) https://doi.org/10.1117/12.910754

KEYWORDS: Reconstruction algorithms, Image quality, LCDs, Computed tomography, X-ray computed tomography, Infrared imaging, Medical imaging, Optical filters, Image processing, Algorithm development

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Proceedings Article | 17 March 2011 Paper

Relative dose in dual energy fast-kVp switching and conventional kVp imaging: spatial frequency dependent noise characteristics and low contrast imaging

Girijesh Yadava, Naveen Chandra, Jiang Hsieh

Proceedings Volume 7961, 79613R (2011) https://doi.org/10.1117/12.878498

KEYWORDS: Dual energy imaging, Spatial frequencies, X-ray computed tomography, Switching, Computed tomography, Diagnostics, Imaging spectroscopy, X-rays, X-ray imaging, LCDs

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Proceedings Article | 17 March 2011 Paper

Predictive models for observer performance in CT: applications in protocol optimization

S. Richard, X. Li, G. Yadava, E. Samei

Proceedings Volume 7961, 79610H (2011) https://doi.org/10.1117/12.877069

KEYWORDS: Modulation transfer functions, Performance modeling, Eye models, Reconstruction algorithms, Computed tomography, Optimization (mathematics), Eye, X-ray computed tomography, Imaging systems, Image filtering

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Proceedings Article | 22 March 2010 Paper

Head and body CTDIw of dual-energy x-ray CT with fast-kVp switching

Baojun Li, Girijesh Yadava, Jiang Hsieh, Naveen Chandra, Mary Sue Kulpins

Proceedings Volume 7622, 76221Y (2010) https://doi.org/10.1117/12.844314

KEYWORDS: LCDs, Head, X-rays, X-ray computed tomography, Switching, Computed tomography, Iodine, Abdomen, Bone, Data acquisition

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Proceedings Article | 3 April 2008 Paper

Generalized objective performance assessment of a new high-sensitivity microangiographic fluoroscopic (HSMAF) imaging system

Girijesh Yadava, Stephen Rudin, Andrew Kuhls-Gilcrist, Daniel Bednarek

Proceedings Volume 6913, 69130U (2008) https://doi.org/10.1117/12.769808

KEYWORDS: Sensors, Modulation transfer functions, Spatial frequencies, Imaging systems, Signal to noise ratio, Image quality, Angiography, X-rays, Image intensifiers, Fiber optics

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Proceedings Article | 25 March 2008 Paper

LabVIEW graphical user interface for a new high sensitivity, high resolution micro-angio-fluoroscopic and ROI-CBCT system

C. Keleshis, C. Ionita, G. Yadava, V. Patel, D. Bednarek, K. Hoffmann, A. Verevkin, S. Rudin

Proceedings Volume 6913, 69135A (2008) https://doi.org/10.1117/12.769630

KEYWORDS: Cameras, Sensors, LabVIEW, Human-machine interfaces, Image processing, Digital filtering, Angiography, Fluoroscopy, X-rays, Image resolution

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Proceedings Article | 25 March 2008 Paper

The solid state x-ray image intensifier (SSXII): an EMCCD-based x-ray detector

Andrew Kuhls-Gilcrist, Girijesh Yadava, Vikas Patel, Amit Jain, Daniel Bednarek, Stephen Rudin

Proceedings Volume 6913, 69130K (2008) https://doi.org/10.1117/12.772724

KEYWORDS: Sensors, Modulation transfer functions, X-rays, X-ray imaging, X-ray detectors, Image intensifiers, Solid state electronics, Electron multiplying charge coupled devices, Fiber optics, Spatial frequencies

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Proceedings Article | 17 March 2008 Paper

Implementation of a high-sensitivity micro-angiographic fluoroscope (HS-MAF) for in-vivo endovascular image guided interventions (EIGI) and region-of-interest computed tomography (ROI-CT)

C. Ionita, C. Keleshis, V. Patel, G. Yadava, K. Hoffmann, D. Bednarek, A. Jain, S. Rudin

Proceedings Volume 6918, 69181I (2008) https://doi.org/10.1117/12.770297

KEYWORDS: Sensors, Angiography, Fluoroscopy, Arteries, X-rays, In vivo imaging, X-ray imaging, Data acquisition, Computed tomography, X-ray detectors

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Proceedings Article | 23 March 2007 Paper

Progress in electron-multiplying CCD (EMCCD) based high-resolution high-sensitivity x-ray detector for fluoroscopy and radiography

Andrew Kuhls, Girijesh Yadava, Vikas Patel, Daniel Bednarek, Stephen Rudin

Proceedings Volume 6510, 65101C (2007) https://doi.org/10.1117/12.713140

KEYWORDS: Sensors, Electron multiplying charge coupled devices, Modulation transfer functions, Photons, Fiber optics, Charge-coupled devices, X-ray detectors, Fluoroscopy, X-rays, Quantum efficiency

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Proceedings Article | 3 March 2006 Paper

New light-amplifier-based detector designs for high spatial resolution and high sensitivity CBCT mammography and fluoroscopy

Stephen Rudin, Andrew Kuhls, Girijesh Yadava, Gaurav Josan, Ye Wu, Ravishankar Chityala, Hussain Rangwala, N. Ciprian Ionita, Kenneth Hoffmann, Daniel Bednarek

Proceedings Volume 6142, 61421R (2006) https://doi.org/10.1117/12.649501

KEYWORDS: Sensors, Electron multiplying charge coupled devices, CCD image sensors, Fluoroscopy, Charge-coupled devices, Mammography, Quantum efficiency, CCD cameras, X-rays, Microchannel plates

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Proceedings Article | 20 April 2005 Paper

Generalized performance evaluation of x-ray image intensifier compared with a microangiographic system

Girijesh Yadava, Iacovos Kyprianou, Stephen Rudin, Daniel Bednarek, Kenneth Hoffmann

Proceedings Volume 5745, (2005) https://doi.org/10.1117/12.594593

KEYWORDS: Sensors, Modulation transfer functions, Image intensifiers, Imaging systems, Spatial frequencies, X-ray imaging, X-rays, Silver, Radiation effects, X-ray detectors

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Showing 5 of 13 publications

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