> For the complete documentation index, see [llms.txt](https://docs.roboflow.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.roboflow.com/roboflow/roboflow-jp/datasets/dataset-versions/image-augmentation/augmentation-types/rotation-augmentation.md).

# 回転拡張

画像を、選択した度数までランダムに時計回りまたは反時計回りに回転します。これにより回転にばらつきを加えられ、カメラロールに対してモデルの耐性を高めるのに役立ちます。

* 度数: 画像が時計回りまたは反時計回りにランダム回転する最大量を選択します。

## 例

<figure><img src="/files/b28b4f64a40941f3068ccf4a605d2b34d56af56e" alt=""><figcaption><p>元の画像</p></figcaption></figure>

<figure><img src="/files/d90c504e6793591a05ffdbc6378651b07864ad84" alt=""><figcaption><p>Rotation Augmentation -15ª</p></figcaption></figure>

<figure><img src="/files/93a05f6658969fea88491bac30812d46e37acfea" alt=""><figcaption><p>Rotation Augmentation 15ª</p></figcaption></figure>

## Learn More

* [Random Rotate データ拡張を実装する理由と方法](https://blog.roboflow.com/why-and-how-to-implement-random-rotate-data-augmentation/)


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