ITU-R REPORT BT.2216

A perspective of the hierarchy of digital television image systems based on human viewing behaviour

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Organization: ITU-R
Publication Date: 1 May 2011
Status: active
Page Count: 6
scope:

Introduction

Recommendations ITU-R BT.601, ITU-R BT.709, ITU-R BT.1201 and ITU-R BT.1769 define a hierarchy of digital television image systems.

This text provides a perspective of those digital television image systems, based on four possible viewing behaviours of humans, related to the human field of view2.

2 This perspective takes into account some well-known characteristics of human sight, namely:

- the image on the fovea covers an area of about 15° of the field of view;

- the field of view typically extends 60° upward, 75° downward, 95° outward and 60° inward (towards the nose) with respect to the horizontal forward-looking direction;

- binocular vision typically spans 120° in the horizontal direction.

Document History

ITU-R REPORT BT.2216
May 1, 2011
A perspective of the hierarchy of digital television image systems based on human viewing behaviour
Introduction Recommendations ITU-R BT.601, ITU-R BT.709, ITU-R BT.1201 and ITU-R BT.1769 define a hierarchy of digital television image systems. This text provides a perspective of those digital...
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