pipeline-configuration.md

Pipeline configuration

Example configuration

{
  "pipeline": {
    "dataproviders": [
      {
        "type": "static_image",
        "config": {
          "image_path": "../../test/fixture/img/multiple_markers.jpg"
        }
      }
    ],
    "trackers": [
      {
        "type": "marker",
        "config": {
          "parser": "yarrar_parser",
          "tracking_resolution_width": 320,
          "contour_min_area_size": 100,
          "inner_rectangle_min_size": 0.6,
          "marker_parser_image_size": 100,
          "binary_image_threshold": 100
        }
      }
    ],
    "renderers": [
      {
        "type": "opengl",
        "config": {}
      },
      {
        "type": "dummy",
        "config": {}
      }
    ]
  }
}

Pipeline ("pipeline")

Valid children:

Id	Number of values	Description
dataproviders	1..*	Array of data provider configurations
trackers	1..*	Array of tracker configurations
renderers	1..*	Array of renderer configurations

Dataproviders ("dataproviders")

Valid dataprovider configurations:

Id	Number of values	Description
type	1	Type of provider. Valid values: static_image, webcam, android_image
config	1	Provider specific configuration

Provider specific configurations:

static_image

Provider	Number of values	Description
image_path	1	Path to image

Trackers ("trackers")

Valid tracker configurations:

Id	Number of values	Description
type	1	Type of tracker. Valid values: marker
config	1	Tracker specific configuration

Tracker specific configurations:

marker

Provider	Number of values	Description
parser	1	Marker data-field type. Valid values: yarrarparser
tracking_resolution_width	1	Image resolution used in tracker. Valid values: integers
contour_min_area_size	1	Tracker internal configuration. Should be fine with default value
inner_rectangle_min_size	1	Tracker internal configuration. Should be fine with default value
marker_parser_image_size	1	Tracker internal configuration. Should be fine with default value
binary_image_threshold	1	Tracker internal configuration. Should be fine with default value

Currently only yarrarparser data field parser is supported. Yarrarparser uses following kind of markers:

Printable markers:

• Marker id 30
• Marker id 112

Renderers ("renderers")

Valid renderer configurations:

Id	Number of values	Description
type	1	Type of renderer. Valid values: opengl, dummy, opencv
config	1	Renderer specific configuration