# 90º Rotate Augmentation

画像をランダムに90度または180度回転します。これにより、モデルがカメラの向きに影響されにくくなります。

* 時計回り: 画像を時計回りに90度回転します。
* 反時計回り: 画像を反時計回りに90度回転します。
* 上下反転: 画像を180度回転します（上下逆）。

## 例

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

<figure><img src="/files/3276cf23541d4424b9fea1abb8ce700971ad2395" alt=""><figcaption><p>90º の Augmentation を時計回りに適用</p></figcaption></figure>

<figure><img src="/files/dc26bacdee5ff0c1611d086eb83b277fefa149de" alt=""><figcaption><p>90º の Augmentation を反時計回りに適用</p></figcaption></figure>

## Learn More

* [Random Rotate Data Augmentation 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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