Dr. Ramakrishnan Narayanan Profile

Dr. Ramakrishnan Narayanan

at Eigen Inc

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Publications (10)

Proceedings Article | 14 February 2012 Paper

An image registration based ultrasound probe calibration

Xin Li, Dinesh Kumar, Saradwata Sarkar, Ram Narayanan

Proceedings Volume 8314, 831423 (2012) https://doi.org/10.1117/12.911461

KEYWORDS: Ultrasonography, Image registration, 3D image reconstruction, 3D acquisition, Calibration, 3D image processing, Prostate, Medical imaging, Biopsy, Solids

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Proceedings Article | 26 March 2008 Paper

Quantitative growth measurement of lesions in hepatic interval CT exams

Saradwata Sarkar, Ramkrishnan Narayanan, Hyunjin Park, Bing Ma, Peyton Bland, Charles Meyer

Proceedings Volume 6914, 69141G (2008) https://doi.org/10.1117/12.773022

KEYWORDS: In vivo imaging, Liver, Image segmentation, Image registration, Tumors, Brain mapping, Computed tomography, Cancer, Image fusion, Biomedical engineering

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Proceedings Article | 26 March 2008 Paper

3-D statistical cancer atlas-based targeting of prostate biopsy using ultrasound image guidance

Ramkrishnan Narayanan, Dinggang Shen, Christos Davatzikos, E. David Crawford, Albaha Barqawi, Priya Werahera, Dinesh Kumar, Jasjit Suri

Proceedings Volume 6914, 69142X (2008) https://doi.org/10.1117/12.770542

KEYWORDS: Biopsy, Prostate, Cancer, Image segmentation, 3D image processing, Ultrasonography, Image registration, 3D modeling, 3D acquisition, Prostate cancer

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Proceedings Article | 19 March 2008 Paper

Bidirectional segmentation of prostate capsule from ultrasound volumes: an improved strategy

Liyang Wei, Ramkrishnan Narayanan, Dinesh Kumar, Aaron Fenster, Albaha Barqawi, Priya Werahera, E. David Crawford, Jasjit Suri

Proceedings Volume 6914, 69143W (2008) https://doi.org/10.1117/12.770569

KEYWORDS: Prostate, Image segmentation, 3D image processing, Ultrasonography, Biopsy, 3D acquisition, Error analysis, Image processing algorithms and systems, 3D image reconstruction, Prostate cancer

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Proceedings Article | 14 March 2008 Paper

Application of statistical cancer atlas for 3D biopsy

Ramkrishnan Narayanan, Dinggang Shen, Christos Davatzikos, E. David Crawford, Albaha Barqawi, Priya Werahera, Dinesh Kumar, Jasjit Suri

Proceedings Volume 6812, 681216 (2008) https://doi.org/10.1117/12.766633

KEYWORDS: Cancer, Prostate, Image segmentation, Biopsy, Image registration, 3D modeling, Data modeling, Ultrasonography, Optimization (mathematics), 3D image processing

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Proceedings Article | 3 March 2008 Paper

Completely automated estimation of prostate volume for 3-D side-fire transrectal ultrasound using shape prior approach

Lu Li, Ramakrishnan Narayanan, Steve Miller, Feimo Shen, Al Barqawi, E. David Crawford, Jasjit Suri

Proceedings Volume 6812, 68120G (2008) https://doi.org/10.1117/12.766682

KEYWORDS: Prostate, Image segmentation, Ultrasonography, Image processing algorithms and systems, Data modeling, Biopsy, Databases, 3D image processing, Image processing, 3D acquisition

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Proceedings Article | 3 March 2008 Paper

Effect of 3D automated prostate segmentation for ultrasound image guided repeat biopsy application

Yujun Guo, Lu Li, Ramakrishnan Narayanan, Dinesh Kumar, Albaha Barqawi, E. David Crawford, Jasjit Suri

Proceedings Volume 6812, 68121A (2008) https://doi.org/10.1117/12.766991

KEYWORDS: Biopsy, Prostate, Image segmentation, Ultrasonography, Image registration, 3D image processing, Prostate cancer, Statistical modeling, Databases, Cancer

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Proceedings Article | 17 March 2007 Paper

Segmentation-free estimation of volume changes in 3D ultrasound of breast lesion phantoms

Ganesh Narayanasamy, R Narayanan, J. Brian Fowlkes, Marilyn Roubidoux, Paul Carson

Proceedings Volume 6510, 651033 (2007) https://doi.org/10.1117/12.711587

KEYWORDS: Tissues, Breast, Image registration, Tumors, Ultrasonography, Imaging systems, Data analysis, Image analysis, Image restoration, Motion estimation

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Proceedings Article | 8 March 2007 Paper

Local mismatch location and spatial scale detection in image registration

R. Narayanan, J. Fessler, B. Ma, H. Park, C. Meyer

Proceedings Volume 6512, 65121X (2007) https://doi.org/10.1117/12.707439

KEYWORDS: Image registration, Error analysis, Medical imaging, Gaussian filters, Image restoration, Image resolution, Linear filtering, Biomedical engineering, Radiology, Electrical engineering

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Proceedings Article | 8 March 2007 Paper

Joint registration of multiple images using entropic graphs

Bing Ma, Ramakrishnan Narayanan, Hyunjin Park, Alfred Hero, Peyton Bland, Charles Meyer

Proceedings Volume 6512, 65122A (2007) https://doi.org/10.1117/12.709904

KEYWORDS: Image registration, Tumors, Gaussian filters, Statistical analysis, Interference (communication), Medical imaging, Feature extraction, Image filtering, Wavelets, Statistical modeling

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Showing 5 of 10 publications

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