A Perception Based System for Depth Metadata

Richard Welsh, Christian Ralph

With the proliferation of three dimensional content across various media platforms, metadata that supports the generation and display of this content has become increasingly significant. Many examples of 3D metadata generation and use exist, but they have so far been application specific in their description of the depth component. When measuring or rendering objects in 3D space with relation to a viewing plane (see fig. 1), the depth value (taken to be the z axis here) is usually absolute in relation to the volume of the image space. Depth values (z) are usually expressed using an arbitrarily decided unit of measurement, but do not take into account how objects at depth (z) will appear when viewed on displays of different sizes.

Published
2011-06
Content type
Original Research
DOI
10.5594/M001425
ISBN
978-1-61482-951-5