KeyPointLabels
The KeyPointLabels tag creates labeled keypoints. Use to apply labels to identified key points, such as identifying facial features for a facial recognition labeling project.
Use with the following data types: image.
Parameters
| Param | Type | Default | Description |
|---|---|---|---|
| name | string |
Name of the element | |
| toName | string |
Name of the image to label | |
| [choice] | single | multiple |
single |
Configure whether you can select one or multiple labels |
| [maxUsages] | number |
Maximum number of times a label can be used per task | |
| [showInline] | boolean |
true |
Show labels in the same visual line |
| [opacity] | float |
0.9 |
Opacity of the keypoint |
| [strokeWidth] | number |
1 |
Width of the stroke |
| [snap] | pixel | none |
none |
Snap keypoint to image pixels |
Sample Results JSON
| Name | Type | Description |
|---|---|---|
| original_width | number |
width of the original image (px) |
| original_height | number |
height of the original image (px) |
| image_rotation | number |
rotation degree of the image (deg) |
| value | Object |
|
| value.x | number |
x coordinate by percentage of the image size (0-100) |
| value.y | number |
y coordinate by percentage of the image size (0-100) |
| value.width | number |
point size by percentage of the image size (0-100) |
Example JSON
{
"original_width": 1920,
"original_height": 1280,
"image_rotation": 0,
"value": {
"x": 3.1,
"y": 8.2,
"width": 2,
"keypointlabels": ["Car"]
}
}Example
Basic keypoint image labeling configuration for multiple regions
<View>
<KeyPointLabels name="kp-1" toName="img-1">
<Label value="Face" />
<Label value="Nose" />
</KeyPointLabels>
<Image name="img-1" value="$img" />
</View>