# 2 图片处理与数据加载

- [2.1 DataLoader 与 DataSet](https://pytorch.zhangxiann.com/2-tu-pian-chu-li-yu-shu-ju-jia-zai/2.1-dataloader-yu-dataset.md)
- [2.2 图片预处理 transforms 模块机制](https://pytorch.zhangxiann.com/2-tu-pian-chu-li-yu-shu-ju-jia-zai/2.2-tu-pian-yu-chu-li-transforms-mo-kuai-ji-zhi.md)
- [2.3 二十二种 transforms 图片数据预处理方法](https://pytorch.zhangxiann.com/2-tu-pian-chu-li-yu-shu-ju-jia-zai/2.3-er-shi-er-zhong-transforms-tu-pian-shu-ju-yu-chu-li-fang-fa.md)


---

# 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://pytorch.zhangxiann.com/2-tu-pian-chu-li-yu-shu-ju-jia-zai.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.
