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NHK developing ‘glasses-free’ 3D TV system

April 28, 2020 12.12 Europe/London By Julian Clover

NHK has given details of Aktina Vision, a new 3DTV system, which the Japanese broadcaster says can be used for viewing natural 3D video without special glasses.

Aktina Vision – from the Greek word ‘Aktina’, meaning ray of light – reproduces the light rays from an object to display 3D images.

The resulting display represents a significant increase in resolution from about 300,000 pixels produced by NHK’s previous system to about 2,000,000 pixels on a par with HDTV.

The object is captured from different viewpoints at both horizontal and vertical locations to obtain multi-viewpoint images, which are used to reproduce the light rays from the object.

By increasing the number of the multi-viewpoint images and resolution of each image, natural high-resolution 3D video display can be achieved even when the viewer moves around horizontally and vertically around the viewing area.

Aktina Vision accommodates 72 multi-viewpoint images, video resolution is increased by using an 8K projector with a pixel-offset method

A special optical system then shifts and multiplexes the light rays of the 72 high-resolution multi-viewpoint images.

NHK says it plans to continue its research into 3D imaging and video compression to develop a next generation TV system.

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Filed Under: 3D, Editor's Choice, Newsline Tagged With: 3D, NHK Edited: 29 April 2020 13:24

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About Julian Clover

Julian Clover is a Media and Technology journalist based in Cambridge, UK. He works in online and printed media. Julian is also a voice on local radio. You can talk to Julian on Twitter @julianclover, on Facebook or by email at jclover@broadbandtvnews.com.

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