SUMMARY

• Industry leading expertise in using color science, digital image processing, optical metrology and visual psychophysics to advance and improve image quality in digital cameras, illumination systems, self - luminous displays, and digital printing.
• Expert technical leadership in developing algorithmic methods to assess and improve image quality in a broad range of digital imaging applications.
• Strong R&D background in color image-quality evaluation using the spectroradiometric, colorimetric, optical, and visual characteristics of digital cameras, self-luminous displays, and printing systems.
• Collaborative working relationships with world leaders in image processing, optical metrology, and visual psychophysics at national standards laboratories and university programs developing new methods of color image capture and digital image processing.
• Experienced in MATLAB and C programming.
• Focused working style with strong collaborative skills. Skilled at working in groups and on self-directed projects.

PROFESSIONAL EXPERIENCE

Confidential, Goleta, California

Color Research Scientist

Responsibilities:

• Developed, demonstrated, and implemented prototype of automatically controlled LED lighting product to maintain preferred color and luminance values, to self-tune, and to maintain their color and luminance performance throughout lifetime of product.

Confidential, San Jose, California

Senior Image Algorithm Engineer

Responsibilities:

• Invented and implemented a novel computational model to characterize changes in color reproduction, noise, and tone reproduction properties in video and still imagery based on the spectral responsivity characteristics of sensors used in GoPro cameras.
• Developed an algorithm that reduced factory camera color calibration error resulting from measurement geometry differences between digital cameras and color measuring instruments.
• Designed and implemented protocols for evaluating competing ISPs using both computational and visual assessments of image quality.
• Created a suite of MATLAB tools for flexible color image processing of still and video imagery for use by GoPro imaging tuning group.
• Developed a post image capture computational method for altering apparent plane of focus and depth of field.

Confidential

Senior Camera Systems Designer and Camera Metrology Laboratory Manager

Responsibilities:

• RIM’s representative on I3A/CPIQ standard metric group and head of color standards for mobile phone image quality.
• Created computational model to globally characterize camera reproduction properties based on spectral input parameters.
• Developed metric for determining quality of testing lighting for camera evaluation based on camera sensor response.
• Defined image quality metrics and image libraries to be used in selecting ISP and camera module systems.
• Created laboratory for spectral analysis of light sources and psychophysical evaluation of image quality.
• Developed image processing software to model image sensor and electronic flash performance on image quality.

Confidential

Senior Color Scientist

Responsibilities:

• Designed and managed image quality and spectroradiometric characterization laboratories.
• Developed extensive color and image processing software libraries for pixel performance analysis and characterization.
• Ongoing evaluation of image quality from CMOS sensors under design.

Confidential

Senior Color Imaging Engineer

Responsibilities:

• Completed development and evaluation of color imaging pipeline for digital camera system.
• Delivered image quality specifications and color processing algorithms for use in digital image capture and display.
• Supported characterization of digital camera systems for competitive analysis.

Confidential

Senior Researcher

Responsibilities:

• Designed and delivered visual software tool to correct laser printer errors resulting from changes in toner level, temperature, and humidity. Software tool used by Samsung Electronics Printer Division for use in 2005 driver release.
• Designed and implemented adaptive transforms to automatically detect and correct deficiencies in the white point, saturation, and tone-reproduction of printed and displayed images.
• Developed and implemented a color image model to calculate improvements resulting from image processing in color printing.

Confidential

Senior Scientist

Responsibilities:

• Designed and managed optical and visual metrology laboratory for calibration and characterization of digital cameras, self-luminous displays, and digital printers using spectroradiometry, spectrofluorimetry, spectrophotometry, and psychophysical metrology.
• Characterized spectral properties of Canon CCD systems used in digital camera products and subsequent development of tone- reproduction and color management process. Results used by Canon’s digital camera development group.
• Invented automated tone/color detection and correction algorithms used for Canon digital cameras.
• Characterized and modeled Canon printing papers to reduce color-printing errors from fluorescence and to optimize color management strategy. Results used by Canon’s printer development group.

Confidential, Palo Alto, CA

Quality Analysis

Responsibilities:

• Analyzed the contribution of fluorescence from colorants and paper to improve the accuracy of color/gamut mapping.
• Developed a fast, simple-to-understand, and easy-to-implement tool to quantify the variance of gloss in mixtures of dye and pigmented color inks. This tool was used for quality analysis of new inkjet materials at an HP printer division.
• Improved best-practice criteria for color measurement for the geometry-dependent measurements of HP inkjet print media.
• Created an improved method of determining colorimetric values for color maps by replacing CIE Standard llluminants with estimates of the spectral power distribution of mixed-mode lighting in home and office environments.
• Functioned as technical lead in a five-member team that designed a multidivisional inter-instrument agreement program for color measurement. This led to the introduction of an HP-wide quality program in spectrophotometer calibration.
• Designed and implemented a quality control tool to visually evaluate printed images. This tool consisted of well-controlled psychophysical processes to assess engineering developments in printing technologies and was also used for competitive testing.
• Developed and taught color science classes for a multidivisional technical education program that provided an introduction to color science for both engineers and non-technical staff.
• Created high-quality, studio photographs for use in HP’s latest developments in inkjet printing products.
• Produced program to illustrate the effects of color mixing, chromatic adaptation, and half-toning for HP’s color science program.