Prof. Daniel P. Lopresti Profile

Prof. Daniel P. Lopresti

at Lehigh Univ

SPIE Involvement:

Author

Publications (26)

Proceedings Article | 24 March 2014 Paper

Paper

The Lehigh Steel Collection: a new open dataset for document recognition research

Barri Bruno, Daniel Lopresti

Proceedings Volume 9021, 90210O (2014) https://doi.org/10.1117/12.2042615

KEYWORDS: Buildings, Optical character recognition, Image segmentation, Visualization, Manufacturing, Document image analysis, Algorithm development, Scanners, Computer science, Computer engineering

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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

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 | 17 May 2011 Paper

Paper

Speech biometric mapping for key binding cryptosystem

K. Inthavisas, D. Lopresti

Proceedings Volume 8029, 80291P (2011) https://doi.org/10.1117/12.884109

KEYWORDS: Biometrics, Binary data, Speaker recognition, Information security, Signal processing, Cryptography, Feature extraction, Mobile devices, Associative arrays, Digital signal processing

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Proceedings Article | 24 January 2011 Paper

Paper

Using perturbed handwriting to support writer identification in the presence of severe data constraints

Jin Chen, Wen Cheng, Daniel Lopresti

Proceedings Volume 7874, 78740G (2011) https://doi.org/10.1117/12.876497

KEYWORDS: Data modeling, Human subjects, Speaker recognition, Calibration, Feature extraction, Forensic science, Databases, Performance modeling, Vector spaces, Kinematics

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Proceedings Article | 24 January 2011 Paper

Paper

Ruling line detection and removal

Ergina Kavallieratou, Daniel Lopresti, Jin Chen

Proceedings Volume 7874, 78740V (2011) https://doi.org/10.1117/12.873311

KEYWORDS: Image processing, Digital imaging, Phase measurement, Distance measurement, Image segmentation, Image resolution, Databases, Feature extraction, Electronic imaging, Current controlled current source

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Proceedings Article | 24 January 2011 Paper

Paper

How carefully designed open resource sharing can help and expand document analysis research

Bart Lamiroy, Daniel Lopresti, Henry Korth, Jeff Heflin

Proceedings Volume 7874, 78740O (2011) https://doi.org/10.1117/12.876483

KEYWORDS: Analytical research, Data modeling, Performance modeling, Electronic imaging, Current controlled current source, Detection and tracking algorithms

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Proceedings Article | 24 January 2011 Paper

Paper

Parameter calibration for synthesizing realistic-looking variability in offline handwriting

Wen Cheng, Dan Lopresti

Proceedings Volume 7874, 78740Y (2011) https://doi.org/10.1117/12.873431

KEYWORDS: Distortion, Calibration, Human subjects, Lithium, Data modeling, Nonlinear control, Systems modeling, Pattern recognition, Performance modeling, Electronic imaging

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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 | 18 January 2010 Paper

Paper

On the usability and security of pseudo-signatures

Jin Chen, Daniel Lopresti

Proceedings Volume 7534, 753408 (2010) https://doi.org/10.1117/12.840445

KEYWORDS: Biometrics, Visualization, Computer security, Copper, Solids, Information security, Prototyping, Associative arrays, Computing systems, Resistance

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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

Measuring the impact of character recognition errors on downstream text analysis

Daniel Lopresti

Proceedings Volume 6815, 68150G (2008) https://doi.org/10.1117/12.767131

KEYWORDS: Optical character recognition, Error analysis, Data mining, Computer programming, Speech recognition, Data modeling, Matrices, Analytical research, Statistical modeling, Detection and tracking algorithms

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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

Information leakage through document redaction: attacks and countermeasures

Daniel Lopresti, A. Lawrence Spitz

Proceedings Volume 5676, (2005) https://doi.org/10.1117/12.589552

KEYWORDS: Image processing, Document image analysis, Information security, Analytical research, Computer security, Pattern recognition, Computer science, Computer engineering, Shape analysis, Databases

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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 | 13 January 2003 Paper

Paper

Resource-optimized delivery of web images to small-screen devices

Yunnan Wu, Daniel Lopresti

Proceedings Volume 5010, (2003) https://doi.org/10.1117/12.476327

KEYWORDS: Image compression, Image analysis, Distortion, Visualization, Image segmentation, Detection and tracking algorithms, Distance measurement, Personal digital assistants, JPEG2000, Image processing

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Proceedings Article | 21 December 2000 Paper

Paper

Table structure recognition and its evaluation

Jianying Hu, Ramanujan Kashi, Daniel Lopresti, Gordon Wilfong

Proceedings Volume 4307, (2000) https://doi.org/10.1117/12.410859

KEYWORDS: Detection and tracking algorithms, Image segmentation, Databases, Mathematical modeling, Head, Composites, Machine vision, Computer vision technology, Visualization, Optical character recognition

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Proceedings Article | 22 December 1999 Paper

Paper

Comparison of text-based methods for detecting duplication in document image databases

Daniel Lopresti

Proceedings Volume 3967, (1999) https://doi.org/10.1117/12.373496

KEYWORDS: Databases, Optical character recognition, Vector spaces, Chlorine, Detection and tracking algorithms, Algorithm development, Distance measurement, Data modeling, Image compression, Image processing

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Proceedings Article | 22 December 1999 Paper

Paper

Medium-independent table detection

Jianying Hu, Ramanujan Kashi, Daniel Lopresti, Gordon Wilfong

Proceedings Volume 3967, (1999) https://doi.org/10.1117/12.373506

KEYWORDS: Quality measurement, Image segmentation, Optimization (mathematics), Computer programming, Analytical research, Detection and tracking algorithms, Databases, Radon, Error analysis, Algorithm development

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Proceedings Article | 1 April 1998 Paper

Paper

Finding text in color images

Jiangying Zhou, Daniel Lopresti, Tolga Tasdizen

Proceedings Volume 3305, (1998) https://doi.org/10.1117/12.304625

KEYWORDS: Ions, RGB color model, Spatial analysis, Image processing, Internet, Genetic algorithms, Detection and tracking algorithms, Tin, Algorithm development, Analytical research

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Proceedings Article | 6 October 1997 Paper

Paper

Feature-based approach for image retrieval by sketch

Yin Chans, Zhibin Lei, Daniel Lopresti, Sun-Yuan Kung

Proceedings Volume 3229, (1997) https://doi.org/10.1117/12.290343

KEYWORDS: Databases, Image retrieval, Image segmentation, Feature extraction, Edge detection, Prototyping, Hough transforms, Detection and tracking algorithms, Java, Image quality

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Proceedings Article | 3 April 1997 Paper

Paper

OCR for World Wide Web images

Jiangying Zhou, Daniel Lopresti, Zhibin Lei

Proceedings Volume 3027, (1997) https://doi.org/10.1117/12.270080

KEYWORDS: Optical character recognition, Internet, Spatial resolution, Lithium, Binary data, Raster graphics, Image processing, Signal processing, Image classification, Object recognition

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Proceedings Article | 7 March 1996 Paper

Paper

Genetic approach to the analysis of complex text formatting

Jiangying Zhou, Daniel Lopresti, Jeffrey Zhou

Proceedings Volume 2660, (1996) https://doi.org/10.1117/12.234698

KEYWORDS: Genetic algorithms, Optical character recognition, Image processing, Genetics, Computer programming, Analytical research, Telecommunications, Binary data, Image segmentation, Image quality

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Proceedings Article | 30 March 1995 Paper

Paper

Systematic bias in OCR experiments

Daniel Lopresti, Andrew Tomkins, Jiangying Zhou

Proceedings Volume 2422, (1995) https://doi.org/10.1117/12.205822

KEYWORDS: Optical character recognition, Printing, Scanners, Error analysis, Statistical analysis, Electroluminescence, Analytical research, Detection and tracking algorithms, Manufacturing, Information technology

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Proceedings Article | 23 March 1994 Paper

Paper

Classification and distribution of optical character recognition errors

Jeffrey Esakov, Daniel Lopresti, Jonathan Sandberg

Proceedings Volume 2181, (1994) https://doi.org/10.1117/12.171108

KEYWORDS: Optical character recognition, Error analysis, Detection and tracking algorithms, Chlorine, Raster graphics, Computer programming, Mathematical modeling, Radon, Scanners, Printing

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Showing 5 of 26 publications

Proceedings Volume Editor (4)

SPIE Conference Volume | 21 December 2000

Document Recognition and Retrieval VIII

SPIE Conference Volume | 22 December 1999

Document Recognition and Retrieval VII

SPIE Conference Volume | 7 January 1999

Document Recognition and Retrieval VI

SPIE Conference Volume | 1 April 1998

Document Recognition V

Conference Committee Involvement (20)

Biometric and Surveillance Technology for Human and Activity Identification XII

22 April 2015 | Baltimore, MD, United States

Document Recognition and Retrieval XXII

11 February 2015 | San Francisco, California, United States

Biometric and Surveillance Technology for Human and Activity Identification XI

8 May 2014 | Baltimore, MD, United States

Document Recognition and Retrieval XXI

5 February 2014 | San Francisco, California, United States

Biometric and Surveillance Technology for Human and Activity Identification X

2 May 2013 | Baltimore, Maryland, United States

Document Recognition and Retrieval XX

5 February 2013 | Burlingame, California, United States

Document Recognition and Retrieval XIX

25 January 2012 | Burlingame, California, United States

Document Recognition and Retrieval XVIII

26 January 2011 | San Francisco Airport, California, United States

Document Recognition and Retrieval XVII

20 January 2010 | San Jose, California, United States

Document Recognition and Retrieval XVI

21 January 2009 | San Jose, California, United States

Document Recognition and Retrieval XV

30 January 2008 | San Jose, California, United States

Document Recognition and Retrieval XIV

30 January 2007 | San Jose, CA, United States

Document Recognition and Retrieval XIII

18 January 2006 | San Jose, California, United States

Document Recognition and Retrieval XII

19 January 2005 | San Jose, California, United States

Document Recognition and Retrieval XI

21 January 2004 | San Jose, California, United States

Document Recognition and Retrieval X

20 January 2003 | Santa Clara, CA, United States

Document Recognition and Retrieval VIII

24 January 2001 | San Jose, CA, United States

Document Recognition and Retrieval VII

26 January 2000 | San Jose, CA, United States

Document Recognition and Retrieval VI

27 January 1999 | San Jose, CA, United States

Document Recognition V

28 January 1998 | San Jose, CA, United States

Showing 5 of 20 Conference Committees

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