# 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：

![](/files/-Mj8V0MudNUFjKM4umJd)

具体图片标注步骤请查看:

{% content-ref url="/pages/-MS2Mr01-38c0KvOLVds" %}
[图片标注](/apps/groundtruth-tools/image-labeling.md)
{% endcontent-ref %}

具体语音分类步骤请查看:

{% content-ref url="/pages/-MidYyvfIcep6W0A7qa-" %}
[语音分类](/apps/groundtruth-tools/audio-labeling.md)
{% endcontent-ref %}


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# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.graviti.cn/apps/groundtruth-tools.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.