9. Advanced operation
9.1.1
Geometry adjustment principle
Description
Geometry adjustment enables the
relocation of pixel groups
in an image in order to introduce spacial distortion. To make the
procedure comprehensible, there are some rules and features.
The use of geometry adjustment leads to image quality loss! The more geometry adjustment is applied, the
more quality loss.
To considerably reduce the labour intensiveness and complexity of geometry adjustment it is not possible to grab any pixel of the
image and move it to a new position. Instead we have a limited set of pixels that can be relocated: the so called
anchor points
.
Moving an anchor point causes pixels in the same region to be moved gradually with this one pixel, depending on their distance to it.
The size of the region of impact depends on the anchor point: some anchor pixels have impact on the full image, while others have
impact on a small area only. The full image is divided in
33 x 33 regions
. The smallest region of impact is one of these 99 regions.
0
1
2
3
4
5
6
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8
9
10
11
12
13
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15
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17
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32
0
2
1
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11 12
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Image 9-1
SIM 10: 33 x 33 regions in an image
Geometry adjustment is divided in
six modes
:
•
2 x 2 (highest mode);
•
3 x 3;
•
5 x 5;
•
9 x 9;
•
17 x 17;
•
33 x 33 (lowest mode).
The six modes represent
21 levels
, each level representing its own group of
anchor points
.
Level 2 Level 3
Level 7
Level 8
Level 9
Level 4
Level 5
Level 6
Level 10
Level 11 Level 12 Level 13
Level 16
Level 14
Level 15
Level 17 Level 18
Level 19
Level 20
Level 21
Level 1
2 x 2
3 x 3
5 x 5
9 x 9
17 x 17
33 x 33
Image 9-2
Level hierarchy
The
hierarchy
of these levels is very important: each level interacts with all lower levels. Adjusting a point on a certain level affects
the points in all or some of the lower levels. The impact depends on the level itself. Therefore it is important to adjust the geometry
R5909056 MCM-400 HFR 11/05/2016
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Summary of Contents for MCM-400 HFR
Page 1: ...MCM 400 HFR User Guide R5909056 02 11 05 2016 ...
Page 8: ...Table of contents 4 R5909056 MCM 400 HFR 11 05 2016 ...
Page 36: ...4 Facility and system requirements 32 R5909056 MCM 400 HFR 11 05 2016 ...
Page 53: ...6 Setup and configuration 5 Exit the menu R5909056 MCM 400 HFR 11 05 2016 49 ...
Page 60: ...6 Setup and configuration Image 6 19 56 R5909056 MCM 400 HFR 11 05 2016 ...
Page 62: ...6 Setup and configuration 58 R5909056 MCM 400 HFR 11 05 2016 ...
Page 86: ...7 Getting started 82 R5909056 MCM 400 HFR 11 05 2016 ...
Page 154: ...10 Expert operation Image 10 61 150 R5909056 MCM 400 HFR 11 05 2016 ...
Page 161: ...10 Expert operation Image 10 68 R5909056 MCM 400 HFR 11 05 2016 157 ...
Page 176: ...11 Maintenance 172 R5909056 MCM 400 HFR 11 05 2016 ...
Page 192: ...12 MCM 400 HFR tools 188 R5909056 MCM 400 HFR 11 05 2016 ...
Page 204: ...14 RCU Control 200 R5909056 MCM 400 HFR 11 05 2016 ...
Page 208: ...15 Environmental information Image 15 1 204 R5909056 MCM 400 HFR 11 05 2016 ...
