# Flip Augmentation

이미지를 무작위로 세로 또는 가로로 뒤집기(반사)하여 모델이 대상의 방향에 덜 민감하도록 도와줍니다.

* **가로:** 이미지의 [NumPy array](https://numpy.org/) 를 좌/우 방향으로 뒤집습니다.
* **세로:** 이미지의 [NumPy array](https://numpy.org/) 를 상/하 방향으로 뒤집습니다.

## 예시

<figure><img src="/files/9b18ecee874d493e066990a193934c3166627980" alt=""><figcaption><p>원본 이미지</p></figcaption></figure>

<figure><img src="/files/dfe008d98757e922a5cbaf7b59006d0e0aa79077" alt=""><figcaption><p>Flip Augmentation Horizontal</p></figcaption></figure>

<figure><img src="/files/ba76ccf2406c564d34a1ff12bd69517dc7c858c7" alt=""><figcaption><p>Flip Augmentation Vertical</p></figcaption></figure>

## 자세히 알아보기

* [Flip Augmentation이 모델 성능을 어떻게 향상시키는지 확인해 보세요](https://blog.roboflow.com/how-flip-augmentation-improves-model-performance/)


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