Prof. Gianni Ramponi Profile

Prof. Gianni Ramponi

at Univ degli Studi di Trieste

SPIE Involvement:

Editorial Board Member: Journal of Electronic Imaging | Author

Publications (26)

Proceedings Article | 8 February 2010 Paper

Blurriness estimation in video frames: a study on smooth objects and textures

Leonardo Abate, Francesca Dardi, Giovanni Ramponi

Proceedings Volume 7532, 753207 (2010) https://doi.org/10.1117/12.838822

KEYWORDS: Binary data, Computer programming, Video, Edge detection, Image processing, Image quality, Image segmentation, Anisotropic diffusion, Algorithm development, Detection and tracking algorithms

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Proceedings Article | 11 February 2009 Paper

Robust measurement of the blocking artefact

Giovanni Ramponi, Leonardo Abate

Proceedings Volume 7245, 72450K (2009) https://doi.org/10.1117/12.805726

KEYWORDS: Video, Image compression, Image quality, Image enhancement, Image processing, Video compression, Computer programming, Image visualization, Spatial frequencies, Image filtering

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Proceedings Article | 11 February 2009 Paper

Nonlinear mapping of the luminance in dual-layer high dynamic range displays

Gabriele Guarnieri, Giovanni Ramponi, Silvio Bonfiglio, Luigi Albani

Proceedings Volume 7245, 72450D (2009) https://doi.org/10.1117/12.805954

KEYWORDS: High dynamic range imaging, LCDs, Visibility, Eye, Quantization, Medical imaging, Visualization, Computer programming, Visual system, Nonlinear response

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SPIE Journal Paper | 1 October 2008

Image-splitting techniques for a dual-layer high dynamic range LCD display

Gabriele Guarnieri, Luigi Albani, Giovanni Ramponi

JEI, Vol. 17, Issue 04, 043009, (October 2008) https://doi.org/10.1117/12.10.1117/1.3010884

KEYWORDS: LCDs, Image filtering, Prototyping, High dynamic range imaging, Reconstruction algorithms, Visualization, Transmittance, Distortion, Image processing, Linear filtering

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Proceedings Article | 13 March 2008 Paper

Display methods for adjustable grayscale and luminance depth

An Xu, Anindita Saha, Gabriele Guarnieri, Giovanni Ramponi, Aldo Badano

Proceedings Volume 6919, 69190Q (2008) https://doi.org/10.1117/12.771675

KEYWORDS: LCDs, Calibration, Prototyping, Medical imaging, High dynamic range imaging, Image resolution, Liquid crystals, Sensors, Image quality standards, Data modeling

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Proceedings Article | 6 March 2008 Paper

Image splitting techniques for a dual layer high dynamic range LCD display

Gabriele Guarnieri, Luigi Albani, Giovanni Ramponi

Proceedings Volume 6917, 69170M (2008) https://doi.org/10.1117/12.769692

KEYWORDS: LCDs, High dynamic range imaging, Image filtering, Prototyping, Image processing, Distortion, Transmittance, Linear filtering, Visualization, Algorithm development

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Proceedings Article | 1 March 2008 Paper

On the detection of cracks in photographic prints

Alfredo Restrepo, Erika Fogar, Giovanni Ramponi

Proceedings Volume 6812, 681206 (2008) https://doi.org/10.1117/12.766418

KEYWORDS: Photography, Mathematical morphology, Image filtering, Image processing, Image resolution, 3D image processing, RGB color model, Binary data, Image fusion, Sensors

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Proceedings Article | 1 March 2008 Paper

Filtering and luminance correction for aged photographs

Alfredo Restrepo, Giovanni Ramponi

Proceedings Volume 6812, 681202 (2008) https://doi.org/10.1117/12.764826

KEYWORDS: Image quality, Image filtering, Image processing, Photography, Digital filtering, Visualization, Quality measurement, Clouds, Image restoration, Nonlinear filtering

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SPIE Journal Paper | 1 January 2008

Feature extraction and clustering for the computer-aided reconstruction of strip-cut shredded documents

Anna Ukovich, Giovanni Ramponi

JEI, Vol. 17, Issue 01, 013008, (January 2008) https://doi.org/10.1117/12.10.1117/1.2898551

KEYWORDS: Feature extraction, Visualization, Reconstruction algorithms, Image processing, Scanners, Image retrieval, Hough transforms, Algorithm development, Surface plasmons, Chromium

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Proceedings Article | 27 February 2007 Paper

Nonlinear mapping for dynamic range compression in digital images

Gabriele Guarnieri, Sergio Carrato, Giovanni Ramponi

Proceedings Volume 6497, 64970M (2007) https://doi.org/10.1117/12.705369

KEYWORDS: Image processing, Signal attenuation, RGB color model, Image compression, High dynamic range imaging, Visual system, Eye, Image quality, Visualization, Data conversion

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Proceedings Article | 16 February 2006 Paper

Using clustering for document reconstruction

Anna Ukovich, Alessandra Zacchigna, Giovanni Ramponi, Gabriella Schoier

Proceedings Volume 6064, 60640J (2006) https://doi.org/10.1117/12.643761

KEYWORDS: Visualization, Feature extraction, Image processing, Reconstruction algorithms, Forensic science, Scanners, Chromium, Binary data, Feature selection, Distance measurement

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SPIE Journal Paper | 1 October 2005

Virtual restoration of vintage photographic prints affected by foxing and water blotches

Filippo Stanco, Livio Tenze, Giovanni Ramponi

JEI, Vol. 14, Issue 04, 043008, (October 2005) https://doi.org/10.1117/12.10.1117/1.2134696

KEYWORDS: Photography, Image processing, Image segmentation, Image enhancement, Detection and tracking algorithms, Image filtering, RGB color model, Digital photography, Image restoration, Opacity

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Proceedings Article | 1 March 2005 Paper

System architecture for the digital recovery of shredded documents

Anna Ukovich, Giovanni Ramponi

Proceedings Volume 5672, (2005) https://doi.org/10.1117/12.585936

KEYWORDS: Feature extraction, Image processing, Distance measurement, Reconstruction algorithms, Databases, Scanners, Data acquisition, Computing systems, Computer architecture, Visualization

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Proceedings Article | 28 May 2004 Paper

Temporal co-occurrence matrix approaches to motion analysis

Anna Ukovich, Mario Koeppen, Giovanni Ramponi

Proceedings Volume 5298, (2004) https://doi.org/10.1117/12.526473

KEYWORDS: Video, Motion analysis, 3D image processing, Algorithm development, Video surveillance, Image analysis, Image processing, Video processing, 3D modeling, Visualization

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Proceedings Article | 28 May 2004 Paper

A directional edge-sensitive image interpolator

Francesco Zotta, Paola Carrai, Giulio Ferretti, Giovanni Ramponi

Proceedings Volume 5298, (2004) https://doi.org/10.1117/12.525774

KEYWORDS: Image processing, RGB color model, Linear filtering, Image analysis, Video, Nonlinear filtering, Visualization, Image filtering, Distortion, LCDs

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Proceedings Article | 28 May 2003 Paper

Interpolation of images containing text for digital displays

Riccardo Di Federico, Mario Raffin, Paola Carrai, Giovanni Ramponi

Proceedings Volume 5014, (2003) https://doi.org/10.1117/12.477736

KEYWORDS: Visualization, Image processing, Nonlinear control, Binary data, Linear filtering, Detection and tracking algorithms, Morphological analysis, Shape analysis, Operating systems, Raster graphics

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Proceedings Article | 28 May 2003 Paper

Nonlinear contrast enhancement based on the Retinex approach

Giovanni Ramponi, Livio Tenze, Sergio Carrato, Stefano Marsi

Proceedings Volume 5014, (2003) https://doi.org/10.1117/12.477714

KEYWORDS: Reflectivity, Diffusion, Image processing, Quantization, Linear filtering, Computer programming, Thin film coatings, Nonlinear filtering, Image filtering, Image analysis

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Proceedings Article | 22 May 2002 Paper

Robust detection and correction of blotches in old films using spatio-temporal information

Livio Tenze, Giovanni Ramponi, Sergio Carrato

Proceedings Volume 4667, (2002) https://doi.org/10.1117/12.467998

KEYWORDS: Sensors, Motion estimation, Digital filtering, Nonlinear filtering, Image compression, Image filtering, Image processing, Sensor performance, Digital signal processing, Image enhancement

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Proceedings Article | 8 May 2001 Paper

Countering illumination variations in a video surveillance environment

Roberto Costantini, Giovanni Ramponi, Javier Bracamonte, Bernhard Piller, Michael Ansorge, Fausto Pellandini

Proceedings Volume 4304, (2001) https://doi.org/10.1117/12.424965

KEYWORDS: Detection and tracking algorithms, RGB color model, Video, Video surveillance, Image processing, Reflectivity, Sensors, Binary data, Image retrieval, Motion detection

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Proceedings Article | 8 May 2001 Paper

FPGA architecture for a videowall image processor

Alessandro Skarabot, Giovanni Ramponi, Luigi Buriola

Proceedings Volume 4304, (2001) https://doi.org/10.1117/12.424964

KEYWORDS: Image processing, Data conversion, Image enhancement, Signal processing, Field programmable gate arrays, Video, RGB color model, Image quality, Image interpolation, Radon

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Proceedings Article | 3 March 2000 Paper

Image sequence processing for videowall visualization

Alessandro Skarabot, Giovanni Ramponi, Domenico Toffoli

Proceedings Volume 3961, (2000) https://doi.org/10.1117/12.379387

KEYWORDS: Image processing, Visualization, Image visualization, Image quality, Detection and tracking algorithms, Interference (communication), Signal processing, Sensors, Finite impulse response filters, Modulation

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SPIE Journal Paper | 1 July 1999 Open Access

Guest Editorial: Special Section on Nonlinear and Model-Based Image Analysis

Gianni Ramponi, Stephen Marshall

JEI, Vol. 8, Issue 03, (July 1999) https://doi.org/10.1117/12.10.1117/1.482698

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Proceedings Article | 6 April 1998 Paper

Color image interpolation using vector rational filters

Faouzi Cheikh, Lazhar Khriji, Moncef Gabbouj, Giovanni Ramponi

Proceedings Volume 3304, (1998) https://doi.org/10.1117/12.304604

KEYWORDS: Filtering (signal processing), Image filtering, Nonlinear filtering, Digital filtering, Signal processing, Optical filters, Image processing, Electronic filtering, Linear filtering, Image interpolation

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SPIE Journal Paper | 1 April 1998

Rational unsharp masking technique

Giovanni Ramponi, Andrea Polesel

JEI, Vol. 7, Issue 02, (April 1998) https://doi.org/10.1117/12.10.1117/1.482649

KEYWORDS: Image processing, Image quality, Image enhancement, Image filtering, Interference (communication), Digital filtering, Visualization, Signal to noise ratio, Visual system, Electronic filtering

SPIE Journal Paper | 1 July 1996

Nonlinear unsharp masking methods for image contrast enhancement

Giovanni Ramponi, Norbert Strobel, Sanjit Mitra, Tian-Hu Yu

JEI, Vol. 5, Issue 03, (July 1996) https://doi.org/10.1117/12.10.1117/12.242618

KEYWORDS: Image enhancement, Nonlinear filtering, Linear filtering, Image processing, Image filtering, Image contrast enhancement, Electronic filtering, Sensors, Bandpass filters, Visualization

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Proceedings Article | 6 October 1994 Paper

Whole-field optical profilometry: application of nonlinear processing algorithms to the enhancement of low-contrast images

Luca Biancardi, Sergio Carrato, Giovanni Ramponi, Giovanna Sansoni

Proceedings Volume 2350, (1994) https://doi.org/10.1117/12.189144

KEYWORDS: Nonlinear filtering, Profilometers, Image filtering, Image enhancement, Nonlinear optics, Linear filtering, Silicon, Optical filters, Image processing, Electronic filtering

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