Dr. George Nagy Profile

Dr. George Nagy

Professor Emeritus at Rensselaer Polytechnic Institute

SPIE Involvement:

Author

Area of Expertise:

optical character recognition , document image analysis , remote sensing , statistical pattern recognition , interactive computer vision , computational geometry

Profile Summary

Student, teacher, reviewer, referee and critic of research in pattern recognition and image processing

http://www.ecse.rpi.edu/~nagy/

Publications (20)

SPIE Journal Paper | 3 September 2015 Open Access

Open Access

Computational method for calligraphic style representation and classification

Xiafen Zhang, George Nagy

JEI, Vol. 24, Issue 05, 053003, (September 2015) https://doi.org/10.1117/12.10.1117/1.JEI.24.5.053003

KEYWORDS: Image segmentation, Visualization, Image classification, Databases, Feature extraction, RGB color model, Binary data, Data modeling, Classification systems, Printing

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Proceedings Article | 8 February 2015 Paper

Paper

Clustering header categories extracted from web tables

George Nagy, David Embley, Mukkai Krishnamoorthy, Sharad Seth

Proceedings Volume 9402, 94020M (2015) https://doi.org/10.1117/12.2076209

KEYWORDS: Optical character recognition, Machine learning, Data modeling, Visualization, Taxonomy, Analytical research, Image segmentation, Databases, Expectation maximization algorithms, Agriculture

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SPIE Journal Paper | 8 December 2014

Invariant representation for rectilinear rulings

George Nagy

JEI, Vol. 23, Issue 06, 063011, (December 2014) https://doi.org/10.1117/12.10.1117/1.JEI.23.6.063011

KEYWORDS: Quantization, Image classification, Error analysis, Hough transforms, Optical character recognition, Image processing, Detection and tracking algorithms, Photography, Image segmentation, Feature extraction

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Proceedings Article | 24 March 2014 Paper

Paper

Form similarity via Levenshtein distance between ortho-filtered logarithmic ruling-gap ratios

George Nagy, Daniel Lopresti

Proceedings Volume 9021, 902106 (2014) https://doi.org/10.1117/12.2041956

KEYWORDS: Neodymium, Hough transforms, MATLAB, Detection and tracking algorithms, Ions, Distance measurement, Analytical research, Image processing, Carbon, Solids

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Proceedings Article | 4 February 2013 Paper

Paper

Preprocessing document images by resampling is error prone and unnecessary

George Nagy

Proceedings Volume 8658, 86580U (2013) https://doi.org/10.1117/12.2006115

KEYWORDS: Image processing, MATLAB, Image segmentation, Raster graphics, Chemical elements, Image compression, Reflectivity, Scanners, Feature extraction, Optical character recognition

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Proceedings Article | 4 February 2013 Paper

Paper

Optimal policy for labeling training samples

Lester Lipsky, Daniel Lopresti, George Nagy

Proceedings Volume 8658, 865809 (2013) https://doi.org/10.1117/12.2005942

KEYWORDS: Error analysis, Statistical analysis, Optical character recognition, Data modeling, Nickel, Statistical modeling, Computer science, Image classification, Inspection, Optimization (mathematics)

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Proceedings Article | 24 January 2012 Paper

Paper

VeriClick: an efficient tool for table format verification

George Nagy, Mangesh Tamhankar

Proceedings Volume 8297, 82970M (2012) https://doi.org/10.1117/12.909077

KEYWORDS: Error analysis, Analytical research, Silicon, Visualization, Human-machine interfaces, Excel, Java, Video, Machine learning, Computing systems

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Proceedings Article | 24 January 2012 Paper

Paper

Style comparisons in calligraphy

Xiafen Zhang, George Nagy

Proceedings Volume 8297, 82970O (2012) https://doi.org/10.1117/12.908872

KEYWORDS: Databases, Image segmentation, Feature extraction, Image classification, Binary data, Visualization, Digital libraries, Photography, Biometrics, Raster graphics

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Proceedings Article | 24 January 2012 Paper

Paper

Asymptotic cost in document conversion

Dorothea Blostein, George Nagy

Proceedings Volume 8297, 82970N (2012) https://doi.org/10.1117/12.912161

KEYWORDS: Optical character recognition, Scanners, Computing systems, Image processing, Printing, Data conversion, Machine learning, Medical research, Data processing, Human-machine interfaces

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Proceedings Article | 24 January 2011 Paper

Paper

Characterizing challenged Minnesota ballots

George Nagy, Daniel Lopresti, Elisa Barney Smith, Ziyan Wu

Proceedings Volume 7874, 787413 (2011) https://doi.org/10.1117/12.876558

KEYWORDS: Image processing, Scanners, Target detection, Error analysis, Hough transforms, Image filtering, Image registration, Prototyping, Digital filtering, Aluminum

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Proceedings Article | 19 January 2009 Paper

Paper

Mark detection from scanned ballots

Elisa Barney-Smith, George Nagy, Daniel Lopresti

Proceedings Volume 7247, 72470P (2009) https://doi.org/10.1117/12.806468

KEYWORDS: Image processing, Scanners, Solids, Printing, Image registration, Analytical research, Detection and tracking algorithms, Algorithm development, Standards development, Shape analysis

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Proceedings Article | 28 January 2008 Paper

Paper

DRR is a teenager

George Nagy

Proceedings Volume 6815, 681502 (2008) https://doi.org/10.1117/12.783597

KEYWORDS: Digital libraries, Inspection, Patents, Information security, Mining, Electronic imaging, Databases, Analytical research, Image segmentation, Optical character recognition

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Proceedings Article | 29 January 2007 Paper

Paper

Interaction for style-constrained OCR

Sriharsha Veeramachaneni, George Nagy

Proceedings Volume 6500, 650006 (2007) https://doi.org/10.1117/12.705775

KEYWORDS: Error analysis, Optical character recognition, Computer simulations, Computing systems, Visualization, Content addressable memory, Printing, Electronic imaging, Feature extraction, Object recognition

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Proceedings Article | 29 January 2007 Paper

Paper

Frequency coding: an effective method for combining dichotomizers

Srinivas Andra, George Nagy, Cheng-Lin Liu

Proceedings Volume 6500, 650004 (2007) https://doi.org/10.1117/12.708803

KEYWORDS: Binary data, Image classification, Error analysis, Statistical analysis, Matrices, Algorithm development, Electronic imaging, Calibration, Databases, MATLAB

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Proceedings Article | 16 January 2006 Paper

Paper

Match graph generation for symbolic indirect correlation

Daniel Lopresti, George Nagy, Ashutosh Joshi

Proceedings Volume 6067, 606706 (2006) https://doi.org/10.1117/12.651827

KEYWORDS: Visualization, Feature extraction, Computer programming, Raster graphics, Edge detection, Computer science, Optical character recognition, Algorithms, Signal processing, Glasses

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Proceedings Article | 17 January 2005 Paper

Paper

Chipless ID for paper documents

Daniel Lopresti, George Nagy

Proceedings Volume 5676, (2005) https://doi.org/10.1117/12.587168

KEYWORDS: Printing, Document management, Manufacturing, Antennas, Scanners, Information security, Computing systems, Databases, Homeland security

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Proceedings Article | 15 December 2003 Paper

Paper

A nonparametric classifier for unsegmented text

George Nagy, Ashutosh Joshi, Mukkai Krishnamoorthy, Yu Lin, Daniel Lopresti, Shashank Mehta, Sharad Seth

Proceedings Volume 5296, (2003) https://doi.org/10.1117/12.529291

KEYWORDS: Electronic imaging, Image classification

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Proceedings Article | 22 December 1999 Paper

Paper

Optical character recognition: an illustrated guide to the frontier

George Nagy, Thomas Nartker, Stephen Rice

Proceedings Volume 3967, (1999) https://doi.org/10.1117/12.373511

KEYWORDS: Optical character recognition, Printing, Error analysis, Scanners, Image processing, Visualization, Computing systems, Lanthanum, Statistical analysis, Patents

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Proceedings Article | 23 March 1994 Paper

Paper

Self-correcting 100-font classifier

Henry Baird, George Nagy

Proceedings Volume 2181, (1994) https://doi.org/10.1117/12.171098

KEYWORDS: Optical character recognition, Prototyping, Error analysis, Statistical analysis, Yield improvement, Image classification, Data modeling, Pattern recognition, Environmental monitoring, General applications engineering

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Proceedings Article | 1 August 1992 Paper

Paper

Characteristics of digitized images of technical articles

Mahesh Viswanathan, George Nagy

Proceedings Volume 1661, (1992) https://doi.org/10.1117/12.130269

KEYWORDS: Image segmentation, Statistical analysis, Printing, Compact discs, Computing systems, Optical character recognition, Terbium, Silicon carbide, Speckle, Binary data

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Showing 5 of 20 publications

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