White Papers

Methods for Measuring Display Defects and Mura as Correlated to Human Visual Perception

Human vision and perception are the ultimate determinants of display quality, however human judgment is variable, making it difficult to define and apply quantitatively in research or production environments. Traditional methods for automated defect detection do not relate directly to human perception. Accurately correlating human perceptions of defects with the information that can be gathered using imaging colorimeters offers an opportunity for objective and repeatable detection and quantification of such defects.

In this White Paper, you will learn about:

  • Just-Noticable Difference (JND) Characterization
  • The Structure of an Automated Measurement System
  • The Use of Imaging Colorimeters for Measuring Displays
  • Implementation of JND Algorithms for Automated Display Testing

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