3D UHDTV contents production with 2/3-inch sensor cameras

Abstract

Most UHDTV content is presently created using single large CMOS sensor cameras as opposed to 2/3-inch small sensor cameras, which is the standard for HD content. The consequence is a technical incompatibility that does not only affect the lenses and accessories of these cameras, but also the content creation process in 2D and 3D. While UHDTV is generally acclaimed for its superior image quality, the large sensors have introduced new constraints in the filming process. The camera sizes and lens dimensions have also introduced new obstacles for their use in 3D UHDTV production. The recent availability of UHDTV broadcast cameras with traditional 2/3-inch sensors can improve the transition towards UHDTV content creation. The following article will evaluate differences between the large-sensor UHDTV cameras and the 2/3-inch 3 CMOS solution and address 3D-specific considerations, such as possible artifacts like chromatic aberration and diffraction, which can occur when mixing HD and UHD equipment. The article will further present a workflow with solutions for shooting 3D UHDTV content on the basis of the Grass Valley LDX4K compact camera, which is the first available UHDTV camera with 2/3-inch UHDTV broadcast technology.

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