Dr. Filippo Speranza Profile

Dr. Filippo Speranza

Research Scientist at Communications Research Ctr Canada

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Publications (22)

Proceedings Article | 12 March 2013 Paper

Disparity remapping to ameliorate visual comfort of stereoscopic video

Hosik Sohn, Yong Ju Jung, Seong-il Lee, Filippo Speranza, Yong Man Ro

Proceedings Volume 8648, 86480Y (2013) https://doi.org/10.1117/12.2002989

KEYWORDS: Visualization, Video, Video processing, Motion estimation, Image processing, 3D displays, Visual compression, Safety, Motion models, Visual process modeling

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Proceedings Article | 24 February 2012 Paper

Visual comfort: stereoscopic objects moving in the horizontal and mid-sagittal planes

Wa James Tam, Filippo Speranza, Carlos Vázquez, Ron Renaud, Namho Hur

Proceedings Volume 8288, 828813 (2012) https://doi.org/10.1117/12.909121

KEYWORDS: Visualization, Video, Cameras, LCDs, Scanning electron microscopy, Stereoscopic displays, Ranging, Statistical analysis, Solids, Telecommunications

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Proceedings Article | 16 February 2011 Paper

Image quality of up-converted 2D video from frame-compatible 3D video

Filippo Speranza, Wa James Tam, Carlos Vázquez, Ronald Renaud, Phil Blanchfield

Proceedings Volume 7863, 78632D (2011) https://doi.org/10.1117/12.877391

KEYWORDS: Video, 3D vision, Glasses, 3D video compression, Molybdenum, 3D displays, Video processing, Video coding, Computer programming, Image quality

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Proceedings Article | 17 February 2010 Paper

Removing the cardboard effect in stereoscopic images using smoothed depth maps

Koichi Shimono, Wa James Tam, Carlos Vázquez, Filippo Speranza, Ron Renaud

Proceedings Volume 7524, 75241C (2010) https://doi.org/10.1117/12.839396

KEYWORDS: Image processing, Visualization, Cameras, Stereoscopic cameras, Video, Image quality, Image filtering, Stereoscopic displays, Liquid crystals, Linear filtering

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Proceedings Article | 19 February 2009 Paper

Temporal sub-sampling of depth maps in depth image-based rendering of stereoscopic image sequences

Wa James Tam, Filippo Speranza, Carlos Vázquez, Liang Zhang

Proceedings Volume 7237, 72371K (2009) https://doi.org/10.1117/12.807168

KEYWORDS: Visualization, Video, Image quality, Cameras, Eye, Image transmission, Stereoscopic displays, Liquid crystals, Stereoscopic cameras, Glasses

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Proceedings Article | 18 February 2009 Paper

Three-dimensional TV: a novel method for generating surrogate depth maps using colour information

Wa James Tam, Carlos Vázquez, Filippo Speranza

Proceedings Volume 7237, 72371A (2009) https://doi.org/10.1117/12.807147

KEYWORDS: Visualization, Video, Cameras, Chromium, 3D image processing, Image quality, Stereoscopic cameras, Eye, Stereoscopic displays, Image segmentation

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Proceedings Article | 14 February 2008 Paper

Evaluation of video quality models for multimedia

Kjell Brunnström, David Hands, Filippo Speranza, Arthur Webster

Proceedings Volume 6806, 68061J (2008) https://doi.org/10.1117/12.766760

KEYWORDS: Video, Multimedia, Video processing, Semantic video, Performance modeling, Molybdenum, Standards development, LCDs, Cameras, Quality measurement

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Proceedings Article | 5 March 2007 Paper

Surrogate depth maps for stereoscopic imaging: different edge types

Wa James Tam, Carlos Vázquez, Filippo Speranza

Proceedings Volume 6490, 64900C (2007) https://doi.org/10.1117/12.704494

KEYWORDS: Image quality, Visualization, Cameras, Stereoscopic cameras, Image enhancement, Image processing, Stereoscopy, 3D image processing, Stereoscopic displays, Image segmentation

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Proceedings Article | 17 October 2006 Paper

Stereoscopic imaging: filling disoccluded areas in depth image-based rendering

Carlos Vázquez, Wa James Tam, Filippo Speranza

Proceedings Volume 6392, 63920D (2006) https://doi.org/10.1117/12.685047

KEYWORDS: Image quality, Image processing, Cameras, Image compression, Stereoscopy, Video, Digital imaging, Image transmission, Liquid crystals, 3D image processing

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Proceedings Article | 30 January 2006 Paper

Depth maps created from blur information using images with focus at near and at far

Sukhee Cho, Wa Tam, Filippo Speranza, Ron Renaud, Namho Hur, Soo In Lee

Proceedings Volume 6055, 60551D (2006) https://doi.org/10.1117/12.643008

KEYWORDS: Cameras, Edge detection, Tellurium, Image analysis, Image processing, Image quality, Gaussian filters, Data processing, 3D image processing, Telecommunications

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Proceedings Article | 27 January 2006 Paper

Effect of disparity and motion on visual comfort of stereoscopic images

Filippo Speranza, Wa Tam, Ron Renaud, Namho Hur

Proceedings Volume 6055, 60550B (2006) https://doi.org/10.1117/12.640865

KEYWORDS: Visualization, Video, Cameras, Stereoscopic displays, Eye, Liquid crystals, Electronics, Switches, Imaging systems, Crystals

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Proceedings Article | 16 November 2005 Paper

Depth image based rendering for multiview stereoscopic displays: role of information at object boundaries

Wa James Tam, Filippo Speranza, Liang Zhang, Ron Renaud, Jason Chan, Carlos Vazquez

Proceedings Volume 6016, 601609 (2005) https://doi.org/10.1117/12.626174

KEYWORDS: Image quality, Cameras, Eye, Image enhancement, Stereoscopic displays, Visualization, Cones, Image processing, Image transmission, Image quality standards

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Proceedings Article | 22 March 2005 Paper

Stereoscopic image rendering based on depth maps created from blur and edge information

Wa Tam, A. Soung Yee, J. Ferreira, S. Tariq, Filippo Speranza

Proceedings Volume 5664, (2005) https://doi.org/10.1117/12.589733

KEYWORDS: Image quality, Cameras, Image processing, Image enhancement, Visual system, Edge detection, Visualization, Image transmission, Eye, Gaussian filters

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Proceedings Article | 22 March 2005 Paper

Perceived smoothness of viewpoint transition in multi-viewpoint stereoscopic displays

Filippo Speranza, Wa Tam, Taali Martin, Lew Stelmach, Chung-Hyun Ahn

Proceedings Volume 5664, (2005) https://doi.org/10.1117/12.587170

KEYWORDS: Head, Visualization, Cameras, Stereoscopic displays, Glasses, Camera shutters, Telecommunications, Imaging systems, Statistical analysis, Scanning electron microscopy

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Proceedings Article | 18 December 2003 Paper

Subjective quality assessment and the effect of context in expert and nonexpert viewers

Filippo Speranza, Taali Martin, Ron Renaud

Proceedings Volume 5294, (2003) https://doi.org/10.1117/12.526101

KEYWORDS: Video, Image quality, Image quality standards, Quality testing methods, Standards development, Scanning electron microscopy, Visualization, Color vision, Image segmentation, Telecommunications

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Proceedings Article | 23 June 2003 Paper

Investigation on the effect of disparity-based asymmetrical filtering on stereoscopic video

Gi Mun Um, Filippo Speranza, Liang Zhang, Wa Tam, Ron Renaud, Lew Stelmach, Chung-Hyun Ahn

Proceedings Volume 5150, (2003) https://doi.org/10.1117/12.503173

KEYWORDS: Image filtering, Visualization, Video, Eye, Image quality, Gaussian filters, Stereoscopic displays, Image processing, Telecommunications, Visual system

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Proceedings Article | 23 June 2003 Paper

Toward optimal rate control: a study of the impact of spatial resolution, frame rate, and quantization on subjective video quality and bit rate

Demin Wang, Filippo Speranza, Andre Vincent, Taali Martin, Phil Blanchfield

Proceedings Volume 5150, (2003) https://doi.org/10.1117/12.501266

KEYWORDS: Video, Spatial resolution, Video coding, Quantization, Quality measurement, Visualization, Computer programming, Signal to noise ratio, Distortion, Cameras

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Proceedings Article | 30 May 2003 Paper

Improving the visual comfort of stereoscopic images

Lew Stelmach, Wa James Tam, Filippo Speranza, Ronald Renaud, Taali Martin

Proceedings Volume 5006, (2003) https://doi.org/10.1117/12.474093

KEYWORDS: Cameras, Visualization, Video, Image fusion, Stereoscopic cameras, Camera shutters, Image processing, Stereoscopy, Image visualization, Information visualization

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Proceedings Article | 27 November 2002 Paper

Visual comfort and apparent depth in 3D systems: effects of camera convergence distance

Filippo Speranza, Lew Stelmach, Wa James Tam, Ryan Glabb

Proceedings Volume 4864, (2002) https://doi.org/10.1117/12.454900

KEYWORDS: Cameras, Visualization, Video, Image fusion, Stereoscopic cameras, Imaging systems, Image resolution, Liquid crystals, Camera shutters, Telecommunications

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Proceedings Article | 23 May 2002 Paper

Viewing stereoscopic images comfortably: the effects of whole-field vertical disparity

Filippo Speranza, Laurie Wilcox

Proceedings Volume 4660, (2002) https://doi.org/10.1117/12.468047

KEYWORDS: Visualization, Video, Video compression, Stereoscopic displays, Image enhancement, Image quality, 3D image processing, 3D vision, Cameras, Eye

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Proceedings Article | 23 May 2002 Paper

Cross-switching in asymmetrical coding for stereoscopic video

Wa James Tam, Lew Stelmach, Filippo Speranza, Ronald Renaud

Proceedings Volume 4660, (2002) https://doi.org/10.1117/12.468022

KEYWORDS: Video, Image quality, Eye, Stereo holograms, Video coding, Visualization, Visibility, Image segmentation, Target detection, Video compression

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Proceedings Article | 4 January 2002 Paper

Rate control for improved picture quality in low bit rate video coding

Filippo Speranza, Andre Vincent, Demin Wang, Andre Mainguy, Phil Blanchfield, Ronald Renaud

Proceedings Volume 4671, (2002) https://doi.org/10.1117/12.453115

KEYWORDS: Quantization, Spatial resolution, Video, Temporal resolution, Solids, Video coding, Video processing, Scanning electron microscopy, Low bit rate video, Image quality

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Showing 5 of 22 publications

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