Dr. Frédéric Cao Profile

Dr. Frédéric Cao

at DxO Labs

SPIE Involvement:

Author

Proceedings Article | 7 March 2014 Paper

Electronic trigger for capacitive touchscreen and extension of ISO 15781 standard time lag measurements to smartphones

François-Xavier Bucher, Frédéric Cao, Clément Viard, Frédéric Guichard

Proc. SPIE. 9023, Digital Photography X

KEYWORDS: Light emitting diodes, Cameras, Sensors, Imaging devices, Time metrology, Measurement devices, Galactic astronomy, Camera shutters, Standards development, Image quality standards

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Proceedings Article | 3 February 2014 Paper

Device and algorithms for camera timing evaluation

Lucie Masson, Frédéric Cao, Clément Viard, Frédéric Guichard

Proc. SPIE. 9016, Image Quality and System Performance XI

KEYWORDS: Light emitting diodes, Cameras, Calibration, Video, Digital cameras, Time metrology, Light sources and illumination, Camera shutters, Standards development, Image quality standards

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Proceedings Article | 4 February 2013 Paper

Measurement and protocol for evaluating video and still stabilization systems

Etienne Cormier, Frédéric Cao, Frédéric Guichard, Clément Viard

Proc. SPIE. 8653, Image Quality and System Performance X

KEYWORDS: Cameras, Sensors, Video, Photography, Image sensors, Modulation transfer functions, Gyroscopes, Motion measurement, Camera shutters, Standards development

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Proceedings Article | 25 January 2012 Paper

Development of the I3A CPIQ spatial metrics

Donald Baxter, Frédéric Cao, Henrik Eliasson, Jonathan Phillips

Proc. SPIE. 8293, Image Quality and System Performance IX

KEYWORDS: Signal to noise ratio, Cell phones, Visualization, Imaging systems, Spatial frequencies, Cameras, Image processing, Image quality, Modulation transfer functions, Contrast sensitivity

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Proceedings Article | 24 January 2012 Paper

An objective protocol for comparing the noise performance of silver halide film and digital sensor

Frédéric Cao, Frédéric Guichard, Hervé Hornung, Régis Tessière

Proc. SPIE. 8299, Digital Photography VIII

KEYWORDS: Signal to noise ratio, Cameras, Sensors, Image processing, Scanners, Silver, Photography, Image quality, Image sensors, Digital imaging

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Proceedings Article | 24 January 2011 Paper

Performance of extended depth of field systems and theoretical diffraction limit

Nicolas Bachelard, Frédéric Guichard, Frédéric Cao, Imène Tarchouna

Proc. SPIE. 7876, Digital Photography VII

KEYWORDS: Diffraction, Optical transfer functions, Apodization, Lenses, Cameras, Sensors, Wavefronts, Lens design, Modulation transfer functions, Focus stacking

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Proceedings Article | 19 January 2010 Paper

Dead leaves model for measuring texture quality on a digital camera

Frédéric Cao, Frédéric Guichard, Hervé Hornung

Proc. SPIE. 7537, Digital Photography VI

KEYWORDS: Mathematical modeling, Digital signal processing, Cameras, Image processing, Fourier transforms, Digital cameras, Image quality, Modulation transfer functions, Stochastic processes, Statistical modeling

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Proceedings Article | 19 January 2010 Paper

Information capacity: a measure of potential image quality of a digital camera

Frédéric Cao, Frédéric Guichard, Hervé Hornung

Proc. SPIE. 7537, Digital Photography VI

KEYWORDS: Chromatic aberrations, Cameras, Sensors, Signal attenuation, Photography, Image resolution, Digital cameras, Distortion, Image quality, Modulation transfer functions

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Proceedings Article | 19 January 2009 Paper

Extended depth-of-field using sharpness transport across color channels

Frédéric Guichard, Hoang-Phi Nguyen, Régis Tessières, Marine Pyanet, Imène Tarchouna, Frédéric Cao

Proc. SPIE. 7250, Digital Photography V

KEYWORDS: Chromatic aberrations, Point spread functions, Digital signal processing, Optical signal processing, Computational imaging, Imaging systems, Cameras, Image processing, Lens design, Modulation transfer functions

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Proceedings Article | 19 January 2009 Paper

Sensor information capacity and spectral sensitivities

F. Cao, F. Guichard, H. Hornung, L. Masson

Proc. SPIE. 7250, Digital Photography V

KEYWORDS: Signal to noise ratio, Diffraction, Cameras, Sensors, Image resolution, Image quality, Image sensors, Optical resolution, Modulation transfer functions, RGB color model

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Proceedings Article | 19 January 2009 Paper

Measuring texture sharpness of a digital camera

F. Cao, F. Guichard, Hervé Hornung

Proc. SPIE. 7250, Digital Photography V

KEYWORDS: Mathematical modeling, Optical filters, Detection and tracking algorithms, Cameras, Denoising, Photography, Digital cameras, Image quality, Signal processing, Modulation transfer functions

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Proceedings Article | 3 March 2008 Paper

Does resolution really increase image quality?

Christel-Loïc Tisse, Frédéric Guichard, Frédéric Cao

Proc. SPIE. 6817, Digital Photography IV

KEYWORDS: Signal to noise ratio, Imaging systems, Sensors, Manufacturing, Image resolution, Photodiodes, Image quality, Image sensors, Modulation transfer functions, Spatial resolution

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Proceedings Article | 3 March 2008 Paper

Sensor spectral sensitivities, noise measurements, and color sensitivity

Frédéric Cao, Frédéric Guichard, Hervé Hornung

Proc. SPIE. 6817, Digital Photography IV

KEYWORDS: Signal to noise ratio, Cameras, Sensors, Calibration, Digital cameras, 3D modeling, Colorimetry, Image quality, Space sensors, RGB color model

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Proceedings Article | 3 March 2008 Paper

Characterization and measurement of color fringing

Frédéric Cao, Frédéric Guichard, Hervé Hornung, Cédric Sibade

Proc. SPIE. 6817, Digital Photography IV

KEYWORDS: Chromatic aberrations, Optical design, Digital photography, Lenses, Cameras, Sensors, Quantum efficiency, Silver, Photography, Optics manufacturing

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Proceedings Article | 21 August 2001 Paper

Region tracking using level set registration

Frederic Cao, Bertrand Collin

Proc. SPIE. 4365, Acquisition, Tracking, and Pointing XV

KEYWORDS: Detection and tracking algorithms, Cameras, Image processing, Video, Field programmable gate arrays, Control systems, Image registration, Image quality, Zoom lenses, Mathematical morphology

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Showing 5 of 15 publications

Conference Committee Involvement (4)

Digital Photography and Mobile Imaging XI

9 February 2015 | San Francisco, California, United States

Digital Photography X

3 February 2014 | San Francisco, California, United States

Digital Photography IX

4 February 2013 | Burlingame, California, United States

Digital Photography VIII

23 January 2012 | Burlingame, California, United States

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