Quantitative Picture Analysis/Scoring (Perceptual Testing)

Synopsis

Serves an Uncompressed A/V Stream (RGB or YUV) to Your Encoder, Captures the Output of Your Decoder (or Receives a File), Aligns the Streams, and Scores the Quality. We use the Human Visual System to Score Your Quality, Measure the Absolute Difference between what we sent and what we received, and show you the Two Sequences in many Different Views.

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Products Designed for this Test

• ClearView Shuttle Broadcast
  
• ClearView Extreme Broadcast

Testing Steps

• Record, Input Your A/V Test Sequence or Use a Pre-Loaded One
  
• Play the Test Sequence to the Device Under Test (DUT) as RGB or YUV
  
• Record the Output of the DUT or Input a File
  
• Automatic Temporal and Spatial Alignment
  
• Calculate the Score based on the Human Visual System - Sarnoff & MS-SSIM Algorithms
  
• Log & Graph the Score based on the JND & DMOS Scales
  
• View the Video Sequences to Verify the Score