<BitmaskLabels>

Category: Control tag

The BitmaskLabels tag for pixel-wise image segmentation tasks is used in the area where you want to apply a mask or use a brush to draw a region on the image.

BitmaskLabels operates on pixel level and outputs a Base64 encoded PNG data URL image with black pixels on transparent background.

Export data example: data-url:image/png;[base64-encoded-string]

Note: You need to set smoothing="false" on the Image tag to be able to work with individual pixels;

Use with the following data types: image.

Attributes

Attribute	Type	Required	Default	Description
name	string	yes	—	Name of the element
toName	string	yes	—	Name of the image to label
choice	single,multiple	no	single	Configure whether the data labeler can select one or multiple labels
maxUsages	number	no	—	Maximum number of times a label can be used per task
showInline	true,false	no	true	Show labels in the same visual line

Examples

Basic image segmentation labeling configuration

<View>
  <BitmaskLabels name="labels" toName="image">
    <Label value="Person" />
    <Label value="Animal" />
  </BitmaskLabels>
  <Image name="image" value="$image" smoothing="false" />
</View>