# GroundTruth Tools

GroundTruth Tools是一款面向机器学习数据准备的协同数据标注工具，支持多种常用标注类型以及多人协同标注。无需部署即可快速开始标注任务，适用于小团队快速生产冷启动所需数据。

GroundTruth Tools支持2D矩形、分类、2D多边形、2D折线、2D关键点图片标注类型并且同时支持语音分类标注。具体标注类型说明如下：

![](https://1609727380-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-MGHaHpCAkpKvpxq5ZJn%2F-Mj8T6yQgqPoB0BO1Ftv%2F-Mj8V0MudNUFjKM4umJd%2Ff6aeb77913774ee2e468e75a3a9fb20.png?alt=media\&token=2dde284f-b6e8-4f0c-821b-ea7473a4a369)

具体图片标注步骤请查看:

{% content-ref url="groundtruth-tools/image-labeling" %}
[image-labeling](https://docs.graviti.cn/apps/groundtruth-tools/image-labeling)
{% endcontent-ref %}

具体语音分类步骤请查看:

{% content-ref url="groundtruth-tools/audio-labeling" %}
[audio-labeling](https://docs.graviti.cn/apps/groundtruth-tools/audio-labeling)
{% endcontent-ref %}