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BS ISO 17850:2015

BS ISO 17850:2015

$198.66

Photography. Digital cameras. Geometric distortion (GD) measurements

Published By Publication Date Number of Pages
BSI 2015 60
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PDF Catalog

PDF Pages PDF Title
6 Foreword
7 Introduction
9 1 Scope
2 Normative references
3 Terms and definitions
10 4 Measurement methods
4.1 General
11 4.2 Local geometric distortion
4.3 Line geometric distortion
12 5 Requirements
5.1 Apparatus and hardware
5.2 Lighting
13 5.3 Dot chart
5.3.1 Design and characteristics
14 5.3.2 Requirement for the chart planarity
15 5.4 Grid chart
5.4.1 Design and characteristics
16 5.5 Image/camera settings
5.5.1 General
5.5.2 Basic settings and influencing factors
5.5.3 Specific test procedures
5.5.4 Positioning of the camera
17 5.5.5 Exposure, white balance, and focus
18 6 Determination of geometric distortion
6.1 Local geometric distortion
6.1.1 Numerical definition
6.1.2 Outline of the practical algorithm
19 6.2 Line geometric distortion
6.2.1 Horizontal line distortion
20 6.2.2 Vertical line distortion
6.2.3 Total line distortion
21 7 Presentation of results
7.1 General
7.2 Local geometric distortion
22 7.3 Line geometric distortion
23 Annex A (informative) Illustrative example and validation
25 Annex B (informative) Extracting the dots from the target
33 Annex C (informative) Dot centre validation
38 Annex D (informative) Grid sort
48 Annex E (informative) Example of subjective evaluation
56 Bibliography

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BS ISO 17850:2015
$198.66