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dev:desktop:preferences:roadmark_detection [2021/04/16 11:23]
paulien 		dev:desktop:preferences:roadmark_detection [2023/04/06 10:22]
jeroen [Preferences of Roadmark Detection]
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 This page describes only the parameters and preferences of Roadmark Detector. \\ This page describes only the parameters and preferences of Roadmark Detector. \\
-Full documentation about semi-automatic detectors, see [[dev:technology:3d_mapping:measurements|]].\\ +Full documentation about semi-automatic detectors, see [[dev:technology:3d_mapping:measurements|]].
-General concepts of Detectors Preferences, see [[dev:desktop:preferences:detectors|]].+
  
 +{{orbitgis:how_to_find.png?25&nolink|}} Main Toolbar > Preferences > Detectors > Roadmark Detector
  
 +===== Concepts ===== 
  
-===== Algorithm ===== 
  
-In process of detecting a cable is modeled as sequence of line segments which should meet certain criteria.\\+ 
 +===== Algorithm =====
  
 ==== Search Margin ==== ==== Search Margin ====
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 ==== Segment Sections Length ==== ==== Segment Sections Length ====
  
-A segment of the road is detected by detecting multiple adjacent small sections.+A segment of the road MARK(?)is detected by detecting multiple adjacent small sections.
  
 ==== Segm Section Ground Margin ==== ==== Segm Section Ground Margin ====
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 The position of a small section is projected from the previous, then moved sideways by this side step. The position of a small section is projected from the previous, then moved sideways by this side step.
  
-==== Reflectivity Treshold ====+==== Reflectivity Threshold ====
  
-The reflectivity treshold to get a new segment is a percentage of the average intensity of last segment points. +The reflectivity threshold to get a new segment is a percentage of the average intensity of last segment points. 
  
 ==== Dashed Lines ==== ==== Dashed Lines ====
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 === High Reflective Pts Percentage === === High Reflective Pts Percentage ===
  
-The reflectivity treshold to get a new segment is a percentage of the average intensity of last segment points.+Use this percentage of higher reflectivities to calculate next reflectivity threshold. eg. next threshold is the average intensity of 10% higher intense point multiplied by intensity threshold parameter. 
  
 === Consecutive Segs Null Max === === Consecutive Segs Null Max ===