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Staff PQ Engineer -Dolby Vision

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Date: Feb 15, 2021

Location: Shenzhen, CN

Company: Dolby Laboratories, Inc.

Join the leader in entertainment innovation and help us design the future. At Dolby, science meets art, and high tech means more than computer code. As a member of the Dolby team, you’ll see and hear the results of your work everywhere, from movie theaters to smartphones. We continue to revolutionize how people create, deliver, and enjoy entertainment worldwide. To do that, we need the absolute best talent. We’re big enough to give you all the resources you need, and small enough so you can make a real difference and earn recognition for your work. We offer a collegial culture, challenging projects, and excellent compensation and benefits.



The PQ engineer will demonstrate a solid understanding and prior knowledge of the different blocks in Image and Signal Processing (ISP) pipeline in professional and consumer displays. You will use tools and utilities to measure and characterize displays to optimize picture and video quality, and also develop new tools and procedures to improve efficiency and performance. You will design and improve methodology to fine tune and adjust ISP parameters to meet requirements. In addition, you will demonstrate the application to both consumer and professional markets by taking concepts to hardware and software prototype implementations. Work will be performed in a small collaborative team environment involving frequent interaction with other internal groups and external partners.


This position requires extensive hands-on experience in fine image and video processing modules on mobile phones. It requires a solid understanding and working knowledge of image processing algorithm development for color reproduction on mobile phones. Similar or relevant experience on TVs, PC monitors, laptops as well as DMAs and set-top boxes connected to displays will also be considered.


The position is based in Shenzhen, China.


Essential Job Functions

  • Fine image and video quality on different displays; measure and characterize displays for best picture quality.  
  • Develop tools and utilities to aide picture quality and evaluation
  • Interface with ISP vendors and display manufacturers; adjust ISP settings and parameters to meet individual customer requirements and preferences.
  • Document custom image video quality analysis tools; systematically prepare complete and accurate technical documentation.
  • Lead internal video quality reviews; interact with external customers.   
  • Employ well designed and controlled experimental methodologies in all work.  
  • Work with cross functional teams such as product development and quality assurance.
  • Organize and/or deliver internal and external technology presentation and demos as required.


Education, Skills, Abilities, and Experience Required

  • Bachelors degree in computer science, electrical engineering or a related field, with a minimum of 5 years of relevant experience. Masters degree is preferred, with a minimum of 3 years of relevant experience.  
  • In-depth knowledge of digital image processing theory and practice.
  • Deep understanding of ISP pipelines in phone cameras, TVs, monitors, etc.
  • Strong programming skills in Python, Matlab and C/C++.
  • The candidate must be familiar with a wide range of digital image processing algorithms and techniques, as well as image quality metrics, measurement techniques and optimization
    • Spatial/temporal interpolation, deinterlacing, and sharpness adjustment
    • Noise reduction and dithering
    • Color saturation and contrast enhancement
  • Solid understanding of display backlight technology, and experience in fine tuning control modules for optimized picture quality. 
  • Understanding of advanced display technologies and related processing.  
  • Proficient at applying scientific principles, theories, concepts and techniques to a variety of challenging technical problems.
  • Excellent communication skills, and team oriented work ethic.
  • A track record of successful product development in consumer and professional display market.




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