Prof. Riccardo Leonardi Profile

Prof. Riccardo Leonardi

at University of Brescia

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Author

Publications (19)

Proceedings Article | 14 February 2015 Paper

SubPatch: random kd-tree on a sub-sampled patch set for nearest neighbor field estimation

Fabrizio Pedersoli, Sergio Benini, Nicola Adami, Masahiro Okuda, Riccardo Leonardi

Proceedings Volume 9445, 944514 (2015) https://doi.org/10.1117/12.2180577

KEYWORDS: Phase modulation, Coherence (optics), Information technology, Detection and tracking algorithms, Reconstruction algorithms, Databases, Image restoration, Machine vision, Chemical elements, Image processing

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Proceedings Article | 19 January 2009 Paper

Low-complexity motion estimation for the scalable video coding extension of H.264/AVC

Livio Lima, Daniele Alfonso, Luca Pezzoni, Riccardo Leonardi

Proceedings Volume 7257, 72570P (2009) https://doi.org/10.1117/12.805495

KEYWORDS: Motion estimation, Electroluminescence, Scalable video coding, Computer programming, Magnesium, Video, Photonic integrated circuits, Video processing, Spatial resolution, Image processing

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Proceedings Article | 24 June 2005 Paper

A fully scalable video coder with inter-scale wavelet prediction and morphological coding

Nicola Adami, Michele Brescianini, Marco Dalai, Riccardo Leonardi, Alberto Signoroni

Proceedings Volume 5960, 59601M (2005) https://doi.org/10.1117/12.631429

KEYWORDS: Video, Wavelets, Scalable video coding, Spatial resolution, Temporal resolution, Discrete wavelet transforms, Transform theory, Visualization, Quantization, Motion estimation

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Proceedings Article | 18 December 2003 Paper

Extraction of foreground objects from an MPEG2 video stream in rough-indexing framework

Francesca Manerba, Jenny Benois-Pineau, Riccardo Leonardi

Proceedings Volume 5307, (2003) https://doi.org/10.1117/12.527358

KEYWORDS: Video, Cameras, Image segmentation, Multimedia, Motion estimation, Video compression, Motion models, Temporal resolution, Motion measurement, Visualization

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Proceedings Article | 23 June 2003 Paper

Selective coding with controlled quality decay for 2D and 3D images in a JPEG 2000 framework

Alberto Signoroni, Fabio Lazzaroni, Riccardo Leonardi

Proceedings Volume 5150, (2003) https://doi.org/10.1117/12.503379

KEYWORDS: JPEG2000, Diagnostics, Germanium, Image quality, 3D image processing, Wavelets, Medical imaging, Image compression, Visualization, Biomedical optics

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Proceedings Article | 23 June 2003 Paper

Overview of multimodal techniques for the characterization of sport programs

Nicola Adami, Riccardo Leonardi, Pierangelo Migliorati

Proceedings Volume 5150, (2003) https://doi.org/10.1117/12.510136

KEYWORDS: Video, Visualization, Detection and tracking algorithms, Information visualization, Multimedia, Cameras, Feature extraction, Motion models, Image segmentation, Zoom lenses

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Proceedings Article | 30 May 2003 Paper

Opacity modulation for interactive volume rendering of medical images

Alberto Signoroni, Riccardo Leonardi, Francesca Manerba

Proceedings Volume 5029, (2003) https://doi.org/10.1117/12.479729

KEYWORDS: Opacity, Visualization, Modulation, Image segmentation, Diagnostics, Optical transfer functions, Volume rendering, 3D vision, 3D image processing, Spine

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Proceedings Article | 4 January 2002 Paper

Embedded morphological dilation coding for 2D and 3D images

Fabio Lazzaroni, Alberto Signoroni, Riccardo Leonardi

Proceedings Volume 4671, (2002) https://doi.org/10.1117/12.453015

KEYWORDS: Wavelets, 3D image processing, Image compression, Statistical analysis, Skull, Linear filtering, Wavelet transforms, 3D applications, Filtering (signal processing), Quantization

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Proceedings Article | 28 December 1998 Paper

Robust region-merging technique for video sequences: spatiotemporal segmentation

Riccardo Leonardi, Pier Migliorati, Giuseppe Tofanicchio

Proceedings Volume 3653, (1998) https://doi.org/10.1117/12.334633

KEYWORDS: Image segmentation, Motion estimation, Motion models, Motion measurement, Reliability, Video, Affine motion model, Image processing algorithms and systems, Video coding, Error analysis

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Proceedings Article | 9 January 1998 Paper

Progressive ROI coding and diagnostic quality for medical image compression

Alberto Signoroni, Riccardo Leonardi

Proceedings Volume 3309, (1998) https://doi.org/10.1117/12.298319

KEYWORDS: Image compression, Diagnostics, Quantization, Medical imaging, Wavelets, Image quality, Picture Archiving and Communication System, Wavelet transforms, Discrete wavelet transforms, Quality measurement

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Proceedings Article | 10 January 1997 Paper

Determining the optical flow using wavelet coefficients

A. Corghi, Riccardo Leonardi, J. Corridoni, Alberto Delbimbo

Proceedings Volume 3024, (1997) https://doi.org/10.1117/12.263244

KEYWORDS: Wavelets, Wavelet transforms, Video, Motion estimation, Optical flow, Image segmentation, Spatial resolution, Image filtering, Video compression, Electronic filtering

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Proceedings Article | 10 January 1997 Paper

Sequence matching using spatiotemporal wavelet decomposition

A. Corghi, Riccardo Leonardi

Proceedings Volume 3024, (1997) https://doi.org/10.1117/12.263306

KEYWORDS: Databases, Video, Wavelets, Image retrieval, Visualization, Error analysis, Wavelet transforms, Evolutionary algorithms, Temporal resolution, Signal to noise ratio

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Proceedings Article | 17 April 1995 Paper

Single-frame prediction for high video compression

Riccardo Leonardi

Proceedings Volume 2419, (1995) https://doi.org/10.1117/12.206391

KEYWORDS: Image segmentation, Motion estimation, Motion models, Video, Video coding, Video compression, Quantization, Image compression, Error analysis, Reconstruction algorithms

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Proceedings Article | 22 October 1993 Paper

Symmetrical segmentation-based image coding

Christina Saraceno, Riccardo Leonardi

Proceedings Volume 2094, (1993) https://doi.org/10.1117/12.157956

KEYWORDS: Image segmentation, Image compression, Binary data, Acquisition tracking and pointing, Information visualization, Image processing, Image filtering, Quantization, Visualization, Image quality

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Proceedings Article | 1 November 1992 Paper

Symmetry-based image coding

Pierangela Cicconi, Riccardo Leonardi, Murat Kunt

Proceedings Volume 1818, (1992) https://doi.org/10.1117/12.131402

KEYWORDS: Image compression, Quantization, Acquisition tracking and pointing, Visual communications, Image processing, Image segmentation, 3D image processing, Data compression, Distance measurement, Signal processing

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Proceedings Article | 1 November 1991 Paper

Block-adaptive quantization of multiple-frame motion field

Fabio Lavagetto, Riccardo Leonardi

Proceedings Volume 1605, (1991) https://doi.org/10.1117/12.50262

KEYWORDS: Visual communications, Quantization, Image processing, Motion estimation, Video, Visualization, Distortion, Error analysis, Standards development, Motion models

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Proceedings Article | 1 November 1991 Paper

Fast piecewise-constant approximation of images

Hayder Radha, Martin Vetterli, Riccardo Leonardi

Proceedings Volume 1605, (1991) https://doi.org/10.1117/12.50284

KEYWORDS: Image segmentation, Visual communications, Image processing algorithms and systems, Image compression, Algorithm development, Image processing, Silicon, Neodymium, Information operations, Tellurium

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Proceedings Article | 1 September 1990 Paper

Digital HDTV compression at 44 Mbps using parallel motion-compensated transform coders

Hsueh-Ming Hang, Riccardo Leonardi, Barry Haskell, Robert Schmidt, Hemant Bheda, Joseph Othmer

Proceedings Volume 1360, (1990) https://doi.org/10.1117/12.24191

KEYWORDS: Quantization, Image processing, Visual communications, Computer programming, Distortion, Parallel processing, Signal processing, Televisions, Digital signal processing, Standards development

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Proceedings Article | 1 September 1990 Paper

Image representation using binary space partitioning trees

Hayder Radha, Riccardo Leonardi, Bruce Naylor, Martin Vetterli

Proceedings Volume 1360, (1990) https://doi.org/10.1117/12.24202

KEYWORDS: Image segmentation, Image processing, Image compression, Information operations, Image filtering, Binary data, Visual communications, Edge detection, Hough transforms, Computer graphics

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Showing 5 of 19 publications

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