2-12
Product specifications
2-5-6. MPRT
Basic principles of MPRT
MPRT (motion picture response time) video response speed
• A video response measurement technique in which a camera mirror is moved at the same speed as a pattern moving at a
set speed like a person's eyes following a video to measure the trailing level of the image moving on the camera to calculate
response speed
People (Eyes)Camera
How to measure MPRT
• Measures the trailing level of a pattern moving through the camera and mirror as a brightness change value to measure
changes from 10-90% and time as response speed
Camera
Mirror
1. Measures moving pattern 2. Records trailing during movement
3. Digitizes changes in trailing
to calculate response speed
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