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ScreenPRO-II Controller • User’s Guide
81
3. Hardware Installation
Overview of Edge-Blending Technology
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The purpose of the edge-blending process is to provide a smooth transition for the eye over
the blending region. To provide a smooth transition, identical image data from two (or
more) different projectors must be superimposed, and the output from each projector must
be edge feathered to provide seamless optical mixing of the two source images.
There are two video processing functions that are required specifically to support wide-
screen edge blended displays:
Image Overlap
and
Edge Feathering
.
•
Image Overlap
Source images consist of a single HD image that has been split into multiple
channels, or a series of images from a multi-head graphics card. In either case,
the source images must be re-formatted to provide image overlap to support the
edge-blending process. The Image Overlap processing is illustrated below. The
width of the blending region determines the amount of required image overlap and
this must be programmable to support different applications.
Figure 3-6.
Image Overlap and Data Doubling
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1024
Image for
Projector 1
1280
1280
Original Image from
Multi-head Graphics Card
Image for
Projector 2
Unused
Source
Material
1
2
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Image
Overlap
Region
Содержание ScreenPRO-II
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Страница 52: ...52 ScreenPRO II Controller User s Guide 2 Hardware Orientation Front Panel Sections...
Страница 84: ...84 ScreenPRO II Controller User s Guide 3 Hardware Installation Overview of Edge Blending Technology...
Страница 214: ...214 ScreenPRO II Controller User s Guide 5 System Setup Backup to Flash Memory Card...
Страница 266: ...266 ScreenPRO II Controller User s Guide K p ScreenPRO II Input and Output Resolutions...