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Ultra-high-definition television
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Ultra-high-definition television today includes 4K UHD and 8K UHD, which are two digital video formats with an aspect ratio of 16:9. These were first proposed by NHK Science & Technology Research Laboratories and later defined and approved by the International Telecommunication Union (ITU).
Prototype camera head (2006)
Prototype camera head (2006)
Prototype camera head (2009)
Prototype camera head (2009)
4K resolution
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4K resolution refers to a horizontal display resolution of approximately 4,000 pixels. Digital television and digital cinematography commonly use several different 4K resolutions. In television and consumer media, 3840 × 2160 with a 16:9 aspect ratio is the dominant 4K standard, whereas the movie projection industry uses 4096 × 2160.
Samsung UN105S9 105-inch (2,700 mm) ultra-high-definition 4K television
Samsung UN105S9 105-inch (2,700 mm) ultra-high-definition 4K television
Sony Handycam FDR-AX1
Sony Handycam FDR-AX1
In full size, this image shows the difference between four subsampling schemes. The color images appear similar. The lower row shows the resolution of
In full size, this image shows the difference between four subsampling schemes. The color images appear similar. The lower row shows the resolution of the color information.