editLabelDescription

Modify description of label or sublabel in label definition creator object

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Syntax

editLabelDescription(ldc,labelName,description)

Description

editLabelDescription(ldc,labelName,description) modifies the description of a label or sublabel identified by labelName. The label or sublabel must be in the label definition creator object ldc.

example

Examples

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Open Live Script

Load an existing label definitions table into the workspace.

load('editlabelDefs.mat')

Create a label definition creator object from the label definitions table.

ldc = labelDefinitionCreator(labelDefs)
ldc = 
labelDefinitionCreator contains the following labels:

	Vehicle with 0 sublabels and 3 attributes and belongs to None group.	(info)
	Pedestrian with 0 sublabels and 0 attributes and belongs to None group.	(info)
	LaneMarker with 0 sublabels and 2 attributes and belongs to None group.	(info)
	TrafficLight with 1 sublabels and 0 attributes and belongs to None group.	(info)

For more details about attributes and sublabels, use the info method.

Modify the Description of a Label

Display information about the label "LaneMarker".

info(ldc,'LaneMarker')
           Name: "LaneMarker"
           Type: Line
     LabelColor: {''}
          Group: "None"
     Attributes: ["BoundaryType"    "Location_wrt_Ego"]
      Sublabels: []
    Description: ''

Modify the description for the label "LaneMarker".

editLabelDescription(ldc,'LaneMarker','Use 5 or more points for curved lane lines.')

Display information about the label "LaneMarker" to verify the modified label description. 

info(ldc,'LaneMarker')
           Name: "LaneMarker"
           Type: Line
     LabelColor: {''}
          Group: "None"
     Attributes: ["BoundaryType"    "Location_wrt_Ego"]
      Sublabels: []
    Description: 'Use 5 or more points for curved lane lines.'

Modify the Description of a Sublabel

Display information about the label "TrafficLight".

info(ldc,'TrafficLight')
           Name: "TrafficLight"
           Type: Rectangle
     LabelColor: {''}
          Group: "None"
     Attributes: []
      Sublabels: "Light"
    Description: 'Bounding box for the traffic light. Use sublabels to mark each individual light.'

Display information about the sublabel "Light" under the label "TrafficLight". 

info(ldc,'TrafficLight/Light')
           Name: "Light"
           Type: Rectangle
     Attributes: ["Active"    "Color"]
      Sublabels: []
    Description: 'lights'

Modify the description for the sublabel "Light".

editLabelDescription(ldc,'TrafficLight/Light','Mark a tight bounding box around each light.')

Display information about the sublabel "Light" to verify the modified sublabel description.

info(ldc,'TrafficLight/Light')
           Name: "Light"
           Type: Rectangle
     Attributes: ["Active"    "Color"]
      Sublabels: []
    Description: 'Mark a tight bounding box around each light.'

Input Arguments

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Label definition creator, specified as a labelDefinitionCreator object.

Label or sublabel name, specified as a character vector or string scalar that uniquely identifies the label or sublabel for which the description is to be updated.

  • To specify a label, use the form 'labelName'.

  • To specify a sublabel, use the form 'labelName/sublabelName'.

Description, specified as a character vector or string scalar that contains the new description for the label or sublabel identified by labelName.

Version History

Introduced in R2018b

See Also

Objects

Functions