I Can See Clearly Now: A New Test Pattern for the Digital Age

被引：1
|
作者：
Hurst, Norm
机构：
来源：
SMPTE MOTION IMAGING JOURNAL | 2011年 / 120卷 / 07期
关键词：
D O I：
10.5594/j18104
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The colorbar test pattern was developed in the 1950s to test analog television systems. It revealed many things that went wrong with analog video. But even though the problems it revealed no longer exist in today's digital video world, we still use it. Yet there are many things that can go wrong with digital video that "bars and tone" won't reveal. This paper describes a new test pattern sequence that visually reveals many issues with digital video systems, including compression fidelity, colorspace mismatch, chroma downsampling, field-dominance reversal, and lip sync.
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收藏
页码：31 / 37
页数：7
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