Dr. Andrew G. Tescher Profile

Dr. Andrew G. Tescher

Principal

SPIE Involvement:

Conference Chair | Track Chair | Editor | Author

Publications (27)

Proceedings Article | 21 August 2020 Presentation

Opening Remarks by Conference Chairs

Touradj Ebrahimi, Andrew Tescher

Proceedings Volume 11510, 1151004 (2020) https://doi.org/10.1117/12.2581407

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SPIE Journal Paper | 1 November 2013 Open Access

Special Section Guest Editorial: High Dynamic Range Imaging

Touradj Ebrahimi, Andrew Tescher

OE, Vol. 52, Issue 10, 102001, (November 2013) https://doi.org/10.1117/12.10.1117/1.OE.52.10.102001

KEYWORDS: High dynamic range imaging, Image fusion, Image compression, Image quality, Video, Infrared imaging, Video surveillance, Standards development, Super resolution, Optical engineering

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SPIE Journal Paper | 1 May 2010

Adaptive two-stage Karhunen-Loeve-transform scheme for spectral decorrelation in hyperspectral bandwidth compression

John Saghri, Seton Schroeder, Andrew Tescher

OE, Vol. 49, Issue 05, 057001, (May 2010) https://doi.org/10.1117/12.10.1117/1.3425656

KEYWORDS: Image compression, Matrices, Hyperspectral imaging, Image processing, Optical engineering, Imaging systems, Image classification, Receivers, Computer programming, Error analysis

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Proceedings Article | 2 September 2009 Paper

An adaptive two-stage KLT scheme for spectral decorrelation in hyperspectral bandwidth compression

John Saghri, Seton Schroeder, Andrew Tescher

Proceedings Volume 7443, 744313 (2009) https://doi.org/10.1117/12.829000

KEYWORDS: Matrices, Image processing, Image compression, Hyperspectral imaging, Imaging systems, Receivers, Distortion, Error analysis, Image quality, Quality measurement

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Proceedings Article | 24 September 2007 Paper

A comparative study of JPEG2000, AVC/H.264, and HD photo

Francesca De Simone, Mourad Ouaret, Frederic Dufaux, Andrew Tescher, Touradj Ebrahimi

Proceedings Volume 6696, 669602 (2007) https://doi.org/10.1117/12.746122

KEYWORDS: Image compression, Computer programming, Video, Video compression, Image quality, JPEG2000, Quantization, RGB color model, Spatial resolution, Distortion

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Proceedings Article | 2 November 2004 Paper

Bandwidth compression of hyperspectral imagery data using a simplified KLT/JPEG 2000 approach

John Saghri, Andrew Tescher, Anthony Planinac

Proceedings Volume 5558, (2004) https://doi.org/10.1117/12.564465

KEYWORDS: Hyperspectral imaging, Neodymium, Image compression, Image processing, Multispectral imaging, Electrical engineering, Standards development, Image quality standards, Hyperspectral systems, Error analysis

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Proceedings Article | 19 November 2003 Paper

KLT/JPEG 2000 multispectral bandwidth compression with region-of-interest prioritization capability

John Saghri, Andrew Tescher, Anthony Planinac

Proceedings Volume 5203, (2003) https://doi.org/10.1117/12.512535

KEYWORDS: Image compression, Multispectral imaging, Standards development, Electrical engineering, Image classification, Computer simulations, Computing systems, Image quality, Digital image processing, Computer programming

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Proceedings Article | 21 November 2002 Paper

Analysis of JPEG versus JPEG 2000 for the KLT-based compression of multispectral imagery data

John Saghri, Andrew Tescher, Frank Kozak

Proceedings Volume 4790, (2002) https://doi.org/10.1117/12.455370

KEYWORDS: Image compression, Image classification, Sensors, Landsat, Image sensors, Multispectral imaging, Data compression, Satellite imaging, Earth observing sensors, Satellites

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SPIE Journal Paper | 1 April 2002

Class-prioritized compression of multispectral imagery data

John Saghri, Andrew Tescher, Mohamed Omran

JEI, Vol. 11, Issue 02, (April 2002) https://doi.org/10.1117/12.10.1117/1.1455008

KEYWORDS: Image compression, Multispectral imaging, Landsat, Algorithm development, Image transmission, Standards development, Associative arrays, Sensors, Spatial resolution, Earth observing sensors

Proceedings Article | 7 December 2001 Paper

Feature-prioritized compression of multispectral imagery data

John Saghri, Andrew Tescher, Mohamed Omran

Proceedings Volume 4472, (2001) https://doi.org/10.1117/12.449767

KEYWORDS: Image compression, Multispectral imaging, Landsat, Feature extraction, Receivers, Image transmission, Control systems, Standards development, Algorithm development, Earth observing sensors

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Proceedings Article | 28 December 2000 Paper

Impact of lossy compression on the classification of remotely sensed imagery data

John Saghri, Andrew Tescher, Belal Mohammad

Proceedings Volume 4115, (2000) https://doi.org/10.1117/12.411537

KEYWORDS: Image compression, Image classification, Data modeling, Sensors, Statistical analysis, Image processing, Landsat, Quantization, Computer engineering, Earth observing sensors

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SPIE Journal Paper | 1 December 1999

Spectral-signature-preserving compression of multispectral data

John Saghri, Andrew Tescher, A. Boujarwah

OE, Vol. 38, Issue 12, (December 1999) https://doi.org/10.1117/12.10.1117/1.602315

KEYWORDS: Distortion, Data compression, Image compression, Data modeling, Spectral resolution, Optical engineering, Multispectral imaging, Sensors, Algorithm development, Error analysis

Proceedings Article | 18 October 1999 Paper

Viable end-member selection scheme for spectral unmixing of multispectral satellite imagery data

John Saghri, Andrew Tescher, Farid Jaradi

Proceedings Volume 3808, (1999) https://doi.org/10.1117/12.365818

KEYWORDS: Multispectral imaging, Landsat, Niobium, Satellites, Sensors, FDA class I medical device development, Satellite imaging, Earth observing sensors, Image compression, Distance measurement

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SPIE Journal Paper | 1 July 1999

Spaced-based data compression issues

John Saghri, Andrew Tescher, John Reagan

JEI, Vol. 8, Issue 03, (July 1999) https://doi.org/10.1117/12.10.1117/1.482678

KEYWORDS: Image compression, Data compression, Clouds, Algorithm development, Data modeling, Spatial resolution, Image processing, Distortion, Spectral resolution, Image quality standards

Proceedings Article | 22 January 1999 Paper

Space-based data compression issues

John Saghri, Andrew Tescher, Ahmed Boushehri

Proceedings Volume 3528, (1999) https://doi.org/10.1117/12.337452

KEYWORDS: Image compression, Clouds, Data compression, Algorithm development, Distortion, Spatial resolution, Data modeling, Image processing, Spectral resolution, Algorithms

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Proceedings Article | 22 January 1999 Paper

Current trends in multimedia technologies

Andrew Tescher

Proceedings Volume 3528, (1999) https://doi.org/10.1117/12.337418

KEYWORDS: Multimedia, Visualization, Signal processing, Video, Analog electronics, Internet, Display technology, Quantization, Standards development, Video compression

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Proceedings Article | 1 October 1998 Paper

Spectral-signature-preserving compression of multispectral data

John Saghri, M. Laghari, A. Boujarwah, Andrew Tescher

Proceedings Volume 3460, (1998) https://doi.org/10.1117/12.323194

KEYWORDS: Image compression, Distortion, Data compression, Data modeling, Multispectral imaging, Spectral resolution, Algorithm development, Sensors, Associative arrays, Algorithms

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Proceedings Article | 30 October 1997 Paper

Environmental data compression issues

Andrew Tescher, John Reagan, John Saghri, Keith Hutchison, Dave Paul, Phillip Topping

Proceedings Volume 3164, (1997) https://doi.org/10.1117/12.292765

KEYWORDS: Image compression, Data compression, Image transmission, Clouds, Algorithm development, High dynamic range imaging, Satellite imaging, Earth observing sensors, Satellites

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Proceedings Article | 16 February 1996 Paper

Improving the performance of the MPEG2 coder at high quality

V. Ralph Algazi, Tongying Wang, Andrew Tescher, John Reagan

Proceedings Volume 2663, (1996) https://doi.org/10.1117/12.233033

KEYWORDS: Diffusion, Video, Image processing, Video processing, Image quality, Signal to noise ratio, Denoising, Computer programming, Video coding, Quantization

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Proceedings Article | 17 November 1995 Paper

Practical issues for transform coding of multispectral imagery

John Saghri, Andrew Tescher, John Reagan

Proceedings Volume 2587, (1995) https://doi.org/10.1117/12.226812

KEYWORDS: Image compression, Multispectral imaging, Algorithm development, Image processing, Quantization, Visualization, Visual compression, Standards development, Associative arrays, High dynamic range imaging

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Proceedings Article | 5 July 1995 Paper

Practical transform coding of multispectral imagery

John Saghri, Andrew Tescher, John Reagan

Proceedings Volume 2484, (1995) https://doi.org/10.1117/12.213071

KEYWORDS: Image compression, Multispectral imaging, Visualization, Visual compression, Standards development, Chromium, Quantization, Algorithms, Image quality standards, Reconstruction algorithms

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Proceedings Article | 21 September 1994 Paper

Transform coding of multispectral imagery

John Saghri, Andrew Tescher, John Reagan

Proceedings Volume 2298, (1994) https://doi.org/10.1117/12.186564

KEYWORDS: Image compression, Quantization, Multispectral imaging, Visualization, Visual compression, Chromium, Standards development, Image processing, Telecommunications, Algorithms

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Proceedings Article | 12 January 1993 Paper

Subpixel resolution for target tracking

John Reagan, Theagenis Abatzoglou, John Saghri, Andrew Tescher

Proceedings Volume 1771, (1993) https://doi.org/10.1117/12.139050

KEYWORDS: Signal to noise ratio, Sensors, Point spread functions, Image resolution, Image processing, Model-based design, Digital image processing, Monte Carlo methods, Image restoration, Optical sensing

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Proceedings Article | 9 July 1992 Paper

Sonar feature-based bandwidth compression

John Saghri, Andrew Tescher

Proceedings Volume 1699, (1992) https://doi.org/10.1117/12.138240

KEYWORDS: Image compression, Feature extraction, Algorithm development, Image processing, Data compression, Signals intelligence, Image quality, Logic, Data modeling, Fourier transforms

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SPIE Journal Paper | 1 July 1991

Near-lossless bandwidth compression for radiometric data

John Saghri, Andrew Tescher

OE, Vol. 30, Issue 07, (July 1991) https://doi.org/10.1117/12.10.1117/12.55888

KEYWORDS: Image compression, Data compression, Sensors, Image classification, High dynamic range imaging, Clouds, Multispectral imaging, Inspection, Very large scale integration, Video coding

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Proceedings Article | 1 November 1990 Paper

Near-lossless bandwith compression for radiometric data

John Saghri, Andrew Tescher

Proceedings Volume 1349, (1990) https://doi.org/10.1117/12.23511

KEYWORDS: Image compression, Digital image processing, Sensors, Clouds, High dynamic range imaging, Image classification, Inspection, Meteorological satellites, Satellites, Data compression

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SPIE Press Book | 1 April 1990

Selected Papers on Visual Communication: Technology and Applications

Showing 5 of 27 publications

Proceedings Volume Editor (78)

SPIE Conference Volume | 4 October 2024

Applications of Digital Image Processing XLVII

SPIE Conference Volume | 17 October 2023

Applications of Digital Image Processing XLVI

SPIE Conference Volume | 19 October 2022

Applications of Digital Image Processing XLV

SPIE Conference Volume | 8 October 2021

Applications of Digital Image Processing XLIV

SPIE Conference Volume | 29 September 2020

Applications of Digital Image Processing XLIII

Showing 5 of 78 publications

Conference Committee Involvement (125)

Applications of Digital Image Processing XLVIII

3 August 2025 | San Diego, California, United States

Applications of Digital Image Processing XLVII

19 August 2024 | San Diego, California, United States

Applications of Digital Image Processing XLVI

21 August 2023 | San Diego, California, United States

Applications of Digital Image Processing XLV

22 August 2022 | San Diego, California, United States

Optics, Photonics and Digital Technologies for Imaging Applications VII

6 April 2022 | Strasbourg, France

Signal Processing, Sensor/Information Fusion, and Target Recognition XXXI

4 April 2022 | Orlando, Florida, United States

Applications of Digital Image Processing XLIV

1 August 2021 | San Diego, California, United States

Signal Processing, Sensor/Information Fusion, and Target Recognition XXX

12 April 2021 | Online Only, Florida, United States

Applications of Digital Image Processing XLIII

24 August 2020 | Online Only, California, United States

Signal Processing, Sensor/Information Fusion, and Target Recognition XXIX

27 April 2020 | Online Only, California, United States

Optics, Photonics and Digital Technologies for Imaging Applications VI

6 April 2020 | Online Only, France

Applications of Digital Image Processing XLII

12 August 2019 | San Diego, California, United States

Signal Processing, Sensor/Information Fusion, and Target Recognition XXVIII

15 April 2019 | Baltimore, MD, United States

Applications of Digital Image Processing XLI

20 August 2018 | San Diego, California, United States

Optics, Photonics and Digital Technologies for Imaging Applications

24 April 2018 | Strasbourg, France

Signal Processing, Sensor/Information Fusion, and Target Recognition XXVII

16 April 2018 | Orlando, FL, United States

Applications of Digital Image Processing XL

7 August 2017 | San Diego, California, United States

Signal Processing, Sensor/Information Fusion, and Target Recognition XXVI

10 April 2017 | Anaheim, CA, United States

Applications of Digital Image Processing XXXIX

29 August 2016 | San Diego, California, United States

Signal Processing, Sensor/Information Fusion, and Target Recognition XXV

18 April 2016 | Baltimore, MD, United States

Optics, Photonics and Digital Technologies for Imaging Applications

5 April 2016 | Brussels, Belgium

Applications of Digital Image Processing XXXVIII

10 August 2015 | San Diego, California, United States

Signal Processing, Sensor/Information Fusion, and Target Recognition XXIV

20 April 2015 | Baltimore, MD, United States

Visual Information Processing and Communication VI

10 February 2015 | San Francisco, California, United States

Applications of Digital Image Processing XXXVII

18 August 2014 | San Diego, California, United States

Signal Processing, Sensor/Information Fusion, and Target Recognition XXIII

5 May 2014 | Baltimore, MD, United States

Optics, Photonics and Digital Technologies for Multimedia Applications

16 April 2014 | Brussels, Belgium

Visual Information Processing and Communication V

5 February 2014 | San Francisco, California, United States

Applications of Digital Image Processing XXXVI

26 August 2013 | San Diego, California, United States

Signal Processing, Sensor Fusion, and Target Recognition XXII

29 April 2013 | Baltimore, Maryland, United States

Visual Information Processing and Communication IV

6 February 2013 | Burlingame, California, United States

Applications of Digital Image Processing XXXV

13 August 2012 | San Diego, California, United States

Signal Processing, Sensor Fusion, and Target Recognition XXI

23 April 2012 | Baltimore, Maryland, United States

Optics, Photonics and Digital Technologies for Multimedia Applications

17 April 2012 | Brussels, Belgium

Visual Information Processing and Communication III

24 January 2012 | Burlingame, California, United States

Applications of Digital Image Processing XXXIV

22 August 2011 | San Diego, California, United States

Signal Processing, Sensor Fusion, and Target Recognition XX

25 April 2011 | Orlando, Florida, United States

Visual Information Processing and Communication II

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

Applications of Digital Image Processing XXXIII

2 August 2010 | San Diego, California, United States

Optics, Photonics and Digital Technologies for Multimedia Applications

12 April 2010 | Brussels, Belgium

Signal Processing, Sensor Fusion, and Target Recognition XIX

5 April 2010 | Orlando, Florida, United States

Visual Information Processing and Communication

19 January 2010 | San Jose, California, United States

Applications of Digital Image Processing XXXII

3 August 2009 | San Diego, California, United States

Signal Processing, Sensor Fusion, and Target Recognition XVIII

13 April 2009 | Orlando, Florida, United States

Visual Communications and Image Processing 2009

20 January 2009 | San Jose, California, United States

Applications of Digital Image Processing XXXI

11 August 2008 | San Diego, California, United States

Optical and Digital Image Processing

7 April 2008 | Strasbourg, France

Signal Processing, Sensor Fusion, and Target Recognition XVII

17 March 2008 | Orlando, Florida, United States

Visual Communications and Image Processing 2008

29 January 2008 | San Jose, California, United States

Applications of Digital Image Processing XXX

28 August 2007 | San Diego, California, United States

Signal Processing, Sensor Fusion, and Target Recognition XVI

9 April 2007 | Orlando, Florida, United States

Visual Communications and Image Processing 2007

30 January 2007 | San Jose, CA, United States

Applications of Digital Image Processing XXIX

15 August 2006 | San Diego, California, United States

Signal Processing, Sensor Fusion, and Target Recognition XV

17 April 2006 | Orlando (Kissimmee), Florida, United States

Visual Communications and Image Processing 2006

17 January 2006 | San Jose, California, United States

Applications of Digital Image Processing XXVIII

2 August 2005 | San Diego, California, United States

Optics and Photonics 2005

31 July 2005 | San Diego, United States

Visual Communications and Image Processing 2005

12 July 2005 | Beijing, China

Signal Processing, Sensor Fusion, and Target Recognition XIV

28 March 2005 | Orlando, Florida, United States

Image and Video Communications and Processing 2005

18 January 2005 | San Jose, California, United States

Applications of Digital Image Processing XXVII

2 August 2004 | Denver, Colorado, United States

Signal Processing, Sensor Fusion, and Target Recognition XIII

12 April 2004 | Orlando, Florida, United States

Visual Communications and Image Processing 2004

20 January 2004 | San Jose, California, United States

Multimedia Systems and Applications VI

8 September 2003 | Orlando, Florida, United States

Applications of Digital Image Processing XXVI

5 August 2003 | San Diego, California, United States

Visual Communications and Image Processing 2003

8 July 2003 | Lugano, Switzerland

Signal Processing, Sensor Fusion, and Target Recognition XII

21 April 2003 | Orlando, Florida, United States

Image and Video Communications and Processing 2003

21 January 2003 | Santa Clara, CA, United States

Multimedia Systems and Applications V

29 July 2002 | Boston, MA, United States

Applications of Digital Image Processing XXV

8 July 2002 | Seattle, WA, United States

Hybrid Image and Signal Processing VIII

4 April 2002 | Orlando, FL, United States

Multimedia Systems and Applications IV

21 August 2001 | Denver, CO, United States

Applications of Digital Image Processing XXIV

31 July 2001 | San Diego, CA, United States

Multimedia Systems and Applications III

6 November 2000 | Boston, MA, United States

Information Technologies 2000

5 November 2000 | Boston, United States

Applications of Digital Image Processing XXIII

31 July 2000 | San Diego, CA, United States

Hybrid Image and Signal Processing VII

25 April 2000 | Orlando, FL, United States

Image and Video Communications and Processing 2000

25 January 2000 | San Jose, CA, United States

Multimedia Systems and Applications II

20 September 1999 | Boston, MA, United States

Applications of Digital Image Processing XXII

20 July 1999 | Denver, CO, United States

Multimedia Systems and Applications

2 November 1998 | Boston, MA, United States

Applications of Digital Image Processing XXI

21 July 1998 | San Diego, CA, United States

Hybrid Image and Signal Processing VI

16 April 1998 | Orlando, FL, United States

Very High Resolution and Quality Imaging III

30 January 1998 | San Jose, CA, United States

Photonics West '98 Electronic Imaging

24 January 1998 | San Jose, United States

Multimedia Networks: Security, Displays, Terminals, and Gateways

4 November 1997 | Dallas, TX, United States

Applications of Digital Image Processing XX

30 July 1997 | San Diego, CA, United States

Very High Resolution and Quality Imaging II

10 February 1997 | San Jose, CA, United States

Electronic Imaging '97

8 February 1997 | San Jose, United States

Video Techniques and Software for Full-Service Networks

21 November 1996 | Boston, MA, United States

Photonics East '96

18 November 1996 | Boston, United States

Applications of Digital Image Processing XIX

7 August 1996 | Denver, CO, United States

Hybrid Image and Signal Processing V

8 April 1996 | Orlando, FL, United States

Very High Resolution and Quality Imaging

31 January 1996 | San Jose, CA, United States

Integration Issues in Large Commercial Media Delivery Systems

23 October 1995 | Philadelphia, PA, United States

Applications of Digital Image Processing XVIII

12 July 1995 | San Diego, CA, United States

Applications of Digital Image Processing XVII

26 July 1994 | San Diego, CA, United States

Hybrid Image and Signal Processing IV

7 April 1994 | Orlando, FL, United States

Applications of Digital Image Processing XVI

14 July 1993 | San Diego, CA, United States

Applications of Digital Image Processing XV

20 July 1992 | San Diego, CA, United States

Hybrid Image and Signal Processing III

21 April 1992 | Orlando, FL, United States

Applications of Digital Image Processing XIV

22 July 1991 | San Diego, CA, United States

Applications of Digital Image Processing XIII

10 July 1990 | San Diego, CA, United States

Hybrid Image and Signal Processing II

18 April 1990 | Orlando, FL, United States

Applications of Digital Image Processing XII

7 August 1989 | San Diego, United States

Advances in Image Compression and Automatic Target Recognition

27 March 1989 | Orlando, FL, United States

Applications of Digital Image Processing XI

15 August 1988 | San Diego, CA, United States

Hybrid Image and Signal Processing

4 April 1988 | Orlando, FL, United States

Imaging Applications in the Work World

11 January 1988 | Los Angeles, CA, United States

Advances in Image Processing

30 March 1987 | The Hague, Netherlands

Applications of Digital Image Processing IX

20 August 1986 | San Diego, United States

Applications of Digital Image Processing X

17 August 1986 | San Diego, CA, United States

Hybrid Image Processing

1 April 1986 | Orlando, United States

Applications of Digital Image Processing VIII

20 August 1985 | San Diego, United States

Digital Image Processing

21 January 1985 | Los Angeles, United States

Applications of Digital Image Processing VII

21 August 1984 | San Diego, United States

Applications of Digital Image Processing VI

23 August 1983 | San Diego, United States

Applications of Digital Image Processing V

18 April 1983 | Geneva, Switzerland

Applications of Digital Image Processing IV

24 August 1982 | San Diego, United States

Advances in Image Transmission II

29 July 1980 | San Diego, United States

Applications of Digital Image Processing III

27 August 1979 | San Diego, United States

Digital Image Processing II

28 August 1978 | San Diego, United States

Applications of Digital Image Processing

22 August 1977 | San Diego, United States

Advances in Image Transmission Techniques

23 August 1976 | San Diego, United States

Efficient Transmission of Pictorial Information

19 August 1975 | San Diego, United States

Showing 5 of 125 Conference Committees

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