Feature Points

Label for Key Point Group Detection

Create a Feature Points Label

  1. Navigate to the "Label Definitions" sub-tab of your project

  2. Type label name in the "Name" field

  3. Choose Feature Points from the "Type" dropdown

  4. Select label color from the color chooser menu

  5. Click "Save" button

  6. Repeat as needed for multiple labels

When to use

Feature Points enable key point detection for a group.

Architectures such as PoseNet and OpenPose support key points as input. Common use cases include facial recognition and body pose detection.

Key points of the face defined

Data format

A Feature Point schema element creates an array of objects with data consisting of an array of nullable points. Each points is a XY coordinate relative (0.0 to 1.0) to width and height respectively.

[
0:{
"type":"constellation"
"data":{
"points":[
0:[
0:0.55
1:0.58
]
1:[
0:0.79
1:0.72
]
2:NULL
3:[
0:0.33
1:0.71
]
]
}
}
]

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