Knowledge about all aspects of 3D displays and their application.
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Basics of depth perception
Benefits of 3D images
Are 3D images comfortable
Ability to see in 3D
Transparent shapes in 3D

Benefits of 3D images
An important question is what advantages does binocular vision provide in the real world? As a visual effect it clearly fascinates the majority of people when they see a 3D picture. Beyond the attractive nature of stereoscopic 3D images they provide the following benefits over monocular vision:

• Relative depth judgement. The spatial relationship of objects in depth from the viewer can be judged directly using binocular vision.

• Spatial localisation. The brain is able to concentrate on objects placed at a certain depth and ignore those at other depths using binocular vision.

• Breaking camouflage. The ability to pick out camouflaged objects in a scene is probably one of the key evolutionary reasons for having binocular vision.

• Surface material perception. For example, lustre, sparkling gems and glittering metals are in part seen as such because of the dfferent specular reflections detected by the left and right eyes.
• Judgement of surface curvature. Evidence suggests that curved surfaces can be interpreted more effectively with binocular vision.

These benefits make stereo image display of considerable benefit in certain professional applications where depth judgement is important to achieving successful results. In addition the effect of stereopsis is compelling enough that stereoscopic images form the basis of many entertainment systems.

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