Dr. Frédéric Cao Profile

Dr. Frédéric Cao

at DxO Labs

SPIE Involvement:

Conference Program Committee | Author

Publications (15)

PROCEEDINGS ARTICLE | March 7, 2014

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

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 | February 3, 2014

Device and algorithms for camera timing evaluation

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 | February 4, 2013

Measurement and protocol for evaluating video and still stabilization systems

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 | January 25, 2012

Development of the I3A CPIQ spatial metrics

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 | January 24, 2012

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

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 | January 24, 2011

Performance of extended depth of field systems and theoretical diffraction limit

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 | January 19, 2010

Dead leaves model for measuring texture quality on a digital camera

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 | January 19, 2010

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

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 | January 19, 2009

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

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 | January 19, 2009

Sensor information capacity and spectral sensitivities

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 | January 19, 2009

Measuring texture sharpness of a digital camera

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 | March 3, 2008

Does resolution really increase image quality?

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 | March 3, 2008

Sensor spectral sensitivities, noise measurements, and color sensitivity

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 | March 3, 2008

Characterization and measurement of color fringing

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 | August 21, 2001

Region tracking using level set registration

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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