Dr. James F. Scholl Profile

Dr. James F. Scholl

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Author

Publications (19)

Proceedings Article | 23 August 2010 Paper

The design of wavelets for limited-angle tomographic hyperspectral imaging systems

E. Keith Hege, James Scholl, Eustace Dereniak

Proceedings Volume 7799, 779903 (2010) https://doi.org/10.1117/12.862131

KEYWORDS: Wavelets, Imaging systems, Staring arrays, Tomography, Fourier transforms, Hyperspectral imaging, Reconstruction algorithms, Spectrometers, Expectation maximization algorithms, Computer generated holography

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Proceedings Article | 13 August 2010 Paper

Hyperspectral datacube estimations of binary stars with the Computed Tomographic Imaging Spectrometer (CTIS)

Daniel O'Connell, Eustace Dereniak, E. Keith Hege, James Scholl

Proceedings Volume 7812, 78120I (2010) https://doi.org/10.1117/12.862705

KEYWORDS: Staring arrays, Imaging systems, Stars, Calibration, Computer generated holography, Spectroscopy, Astronomy, Tomography, Data modeling, Computing systems

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Proceedings Article | 5 September 2008 Paper

Flash hyperspectral imaging of non-stellar astronomical objects

James Scholl, Eustace Dereniak, Michael Hart, Daniel O'Connell, E. Keith Hege

Proceedings Volume 7075, 70750H (2008) https://doi.org/10.1117/12.794915

KEYWORDS: Staring arrays, Stars, Astronomy, Hyperspectral imaging, Imaging systems, Galactic astronomy, Computer generated holography, Wavelets, Venus, Data modeling

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Proceedings Article | 8 October 2007 Paper

Model based compression of the calibration matrix for hyperspectral imaging systems

E. Keith Hege, Daniel O'Connell, James Scholl, Eustace Dereniak

Proceedings Volume 6700, 670002 (2007) https://doi.org/10.1117/12.730848

KEYWORDS: Imaging systems, Staring arrays, Calibration, Computer generated holography, Systems modeling, Hyperspectral imaging, Diffraction, Computing systems, Wavelets, Spectrometers

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Proceedings Article | 25 August 2006 Paper

Hyperspectral feature classification with alternate wavelet transform representations

James Scholl, Eustace Dereniak, E. Keith Hege, Michael Lloyd-Hart

Proceedings Volume 6315, 63150G (2006) https://doi.org/10.1117/12.682583

KEYWORDS: Wavelets, Wavelet transforms, Transform theory, Library classification systems, Discrete wavelet transforms, Image classification, Condition numbers, Aluminum, Solar cells, Feature extraction

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Proceedings Article | 25 August 2006 Paper

Figure of merit calculations for spectral unmixing and classification algorithms

James Scholl, Michael Lloyd-Hart, E. Keith Hege, Eustace Dereniak

Proceedings Volume 6315, 63150H (2006) https://doi.org/10.1117/12.678327

KEYWORDS: Wavelets, Transform theory, Aluminum, Solar cells, Point spread functions, Feature extraction, Reflectivity, Library classification systems, Wavelet transforms, Discrete wavelet transforms

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Proceedings Article | 8 May 2006 Paper

Evaluations of classification and spectral unmixing algorithms using ground based satellite imaging

Daniel O'Connell, James Scholl, Eustace Dereniak, William Johnson, Michael Lloyd-Hart, E. Keith Hege

Proceedings Volume 6233, 623328 (2006) https://doi.org/10.1117/12.664954

KEYWORDS: Sensors, Point spread functions, Aluminum, Solar cells, Wavelet transforms, Library classification systems, Detection and tracking algorithms, Feature extraction, Reflectivity, Algorithm development

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Proceedings Article | 17 September 2005 Paper

Fast feature extraction in hyperspectral imagery via lifting wavelet transforms

E. Keith Hege, James Scholl, Eustace Dereniak

Proceedings Volume 5915, 59150N (2005) https://doi.org/10.1117/12.613327

KEYWORDS: Stars, Wavelet transforms, Feature extraction, Wavelets, Discrete wavelet transforms, Hyperspectral imaging, Image compression, Computer simulations, Signal processing, 3D image processing

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Proceedings Article | 18 October 2004 Paper

Normalized difference vegetation index calculations from JPEG2000-compressed Landsat 7 images

James Scholl, Kurtis Thome, Eustace Dereniak

Proceedings Volume 5561, (2004) https://doi.org/10.1117/12.557954

KEYWORDS: Image compression, JPEG2000, Near infrared, Landsat, Vegetation, Discrete wavelet transforms, Image processing, Remote sensing, Image quality, Earth observing sensors

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Proceedings Article | 15 October 2004 Paper

Fast wavelet based feature extraction of spatial and spectral information from hyperspectral datacubes

James Scholl, Eustace Dereniak

Proceedings Volume 5546, (2004) https://doi.org/10.1117/12.557931

KEYWORDS: Wavelet transforms, Feature extraction, Wavelets, Discrete wavelet transforms, Spectral resolution, Vegetation, Algorithm development, Linear filtering, Spatial resolution, Detection and tracking algorithms

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Proceedings Article | 28 January 2004 Paper

Higher-dimensional wavelet transforms for hyperspectral data compression and feature recognition

Eustace Dereniak, James Scholl

Proceedings Volume 5208, (2004) https://doi.org/10.1117/12.508086

KEYWORDS: Discrete wavelet transforms, Wavelet transforms, Wavelets, Image compression, Transform theory, JPEG2000, 3D image processing, Linear filtering, Data compression, Reflectivity

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Proceedings Article | 12 December 2003 Paper

Compact methods for measuring stress birefringence

Peter Jansson, Weinong Chen, David Sass, Derek Sabatke, Eustace Dereniak, Nathan Hagen, James Scholl

Proceedings Volume 5158, (2003) https://doi.org/10.1117/12.509424

KEYWORDS: Birefringence, Polarization, Wave plates, Photoelasticity, Polarimetry, Spectrometers, Sensors, Prototyping, Optical spheres, Aerospace engineering

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Proceedings Article | 8 November 2002 Paper

Computational modeling of the imaging system matrix for the CTIS imaging spectrometer

Eustace Dereniak, James Scholl, John Garcia, Dennis Garrood, Christopher Tebow

Proceedings Volume 4816, (2002) https://doi.org/10.1117/12.451582

KEYWORDS: Staring arrays, Calibration, Diffraction, Imaging systems, Reconstruction algorithms, Computer generated holography, Point spread functions, Spectroscopy, Data modeling, Diffraction gratings

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Proceedings Article | 4 December 2000 Paper

Tunable continuous wavelet and frame transforms

Harry Schmitt, Delmar Barker, John Langan, James Scholl

Proceedings Volume 4119, (2000) https://doi.org/10.1117/12.408576

KEYWORDS: Wavelets, Continuous wavelet transforms, Transform theory, Analog electronics, Signal processing, Image processing, Algorithm development, Time-frequency analysis, Computing systems, Digital signal processing

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Proceedings Article | 7 January 1999 Paper

Low-power impulse signal classifier using the Haar wavelet transform

Jonathan Agre, Loren Clare, James Scholl, Martin Gill

Proceedings Volume 3577, (1999) https://doi.org/10.1117/12.336958

KEYWORDS: Wavelets, Wavelet transforms, Signal detection, Microsensors, Linear filtering, Filtering (signal processing), Discrete wavelet transforms, Optical filters, Electronic filtering, Sensors

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Proceedings Article | 11 October 1994 Paper

Audio signal compression using circular wavelet packets

Daniel Rogovin, James Scholl

Proceedings Volume 2303, (1994) https://doi.org/10.1117/12.188801

KEYWORDS: Wavelets, Fast wavelet transforms, Electronic filtering, Digital filtering, Filtering (signal processing), Convolution, Reconstruction algorithms, Wavelet transforms, Signal to noise ratio, Signal processing

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Proceedings Article | 16 September 1994 Paper

Image enhancement of the galaxy VV371c using the 2D fast wavelet transform

James Scholl

Proceedings Volume 2308, (1994) https://doi.org/10.1117/12.185886

KEYWORDS: Galactic astronomy, Image enhancement, Fast wavelet transforms, Wavelets, Image processing, Wavelet transforms, Image segmentation, Visualization, Image compression, Photography

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Proceedings Article | 1 June 1991 Paper

Nondegenerate two-wave mixing in shaped microparticle suspensions

James Scholl, Marco De Spirito, Daniel Rogovin, Roberto Pizzoferrato, Massimo Marinelli, Ugo Zammit

Proceedings Volume 1409, (1991) https://doi.org/10.1117/12.43577

KEYWORDS: Particles, Polarization, Two wave mixing, Mirrors, Energy transfer, Laser beam diagnostics, Scattering, Laser scattering, Ferroelectric materials, Coherent beam combination

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Proceedings Article | 1 May 1990 Paper

Degenerate transient beam combination

Peter Rentzepis, Tracy Dutton, Tsae-Pyng Shen, James Scholl, Daniel Rogovin

Proceedings Volume 1220, (1990) https://doi.org/10.1117/12.18301

KEYWORDS: Energy transfer, Laser beam diagnostics, Nonlinear optics, Polarization, Wave propagation, Numerical simulations, Two wave mixing, Switching, Beam propagation method, Nd:YAG lasers

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Showing 5 of 19 publications

Conference Committee Involvement (5)

Mathematics of Data/Image Pattern Coding, Compression, and Encryption with Applications XIV

21 August 2011 | San Diego, California, United States

Mathematics of Data/Image Pattern Recognition, Compression, and Encryption, with Applications XIII

3 August 2010 | San Diego, California, United States

Mathematics of Data/Image Pattern Recognition, Compression, and Encryption with Applications XI

12 August 2008 | San Diego, California, United States

Mathematics of Data/Image Pattern Recognition, Compression, Coding, and Encryption X, with Applications

26 August 2007 | San Diego, California, United States

Mathematics of Data/Image Coding, Compression, and Encryption VIII, with Applications

1 August 2005 | San Diego, California, United States

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