Barco ScreenPRO-II, Руководство пользователя

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ScreenPRO-II Controller • User’s Guide 79
3. Hardware Installation
Overview of Edge-Blending Technology
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The following topics are discussed in this section:
•
Introduction to Edge Blending
•
Content Creation
•
Video Processing
•
Projector Setup and System Adjustments
•
Left Justified Configurations
•
Center Justified Configurations
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Edge-blending technology is becoming increasingly popular for supporting very large high-
resolution displays. The technology is very flexible and supports a wide range of screen
configurations. A typical three projector system is illustrated below.
As shown, multiple projectors are used to project on a common surface in order to create
one high-resolution image. The creation of a seamless image requires careful attention to
detail. High quality results depend upon a system-level approach that integrates content
creation, video processing, projector setup and system adjustments as described below.
Figure 3-4. Typical three projector system
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When projecting an image across a large screen, it is important to maintain sufficient
resolution to obtain a crisp, clear image from the perspective of the viewer. Generally, high-
resolution source material is used to maintain content that is pleasing to the eye. There are
two methods that are commonly used to generate wide-screen source material, each of
these methods is explained below.
•
Use of a Single High Definition Image
High Definition source material has a resolution of 1920 pixels x 1080 lines.
Images of this type can be reformatted to drive multiple screens. The reformatting
Projector #3
Output
Projector #1
Output
Projector #2
Output
Adjustable
Image Overlap