了解 PQR、DMOS和PSNR测量

在这篇应用文章中，为您介绍了图像质量测量的各种方法，以及如何解决视频转换过程中的质量问题
Application Note




Understanding PQR, DMOS, and
PSNR Measurements
Introduction
Compression systems and other video processing devices impact picture quality
in various ways. Consumers’ quality expectations continue to rise as analog video
technology transitions to digital technology and standard definition transitions to high
definition. With digital technology, video equipment manufacturers, broadcasters,
network operators and content providers cannot rely solely on signal measurements
and picture monitors to assess picture quality. They need other tools to verify that their
devices, systems, or processes have not introduced impairments in video content that
will affect perceived picture quality.
Understanding PQR,