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# Video Vision Transformer (ViViT) [[video-vision-transformer-vivit]]
## 개요 [[overview]]
Vivit 모델은 Anurag Arnab, Mostafa Dehghani, Georg Heigold, Chen Sun, Mario Lučić, Cordelia Schmid가 제안한 논문 [ViViT: A Video Vision Transformer](https://huggingface.co/papers/2103.15691)에서 소개되었습니다. 이 논문은 비디오 이해를 위한 pure-transformer 기반의 모델 집합 중에서 최초로 성공한 모델 중 하나를 소개합니다.
논문의 초록은 다음과 같습니다:
*우리는 이미지 분류에서 최근 성공을 거둔 순수 트랜스포머 기반 모델을 바탕으로 비디오 분류를 위한 모델을 제안합니다. 본 모델은 입력 비디오로부터 시공간 토큰을 추출한 후, 이를 일련의 트랜스포머 레이어로 인코딩합니다. 비디오에서 발생하는 긴 토큰 시퀀스를 처리하기 위해, 입력의 공간 및 시간 차원을 분리하는 여러 효율적인 모델 변형을 제안합니다. 트랜스포머 기반 모델은 대규모 학습 데이터셋에서만 효과적이라는 것이 일반적이지만, 우리는 학습 중 모델을 효과적으로 정규화하고, 사전 학습된 이미지 모델을 활용함으로써 상대적으로 작은 데이터셋에서도 학습할 수 있는 방법을 보여줍니다. 또한, 철저한 소거(ablation) 연구를 수행하고 Kinetics 400 및 600, Epic Kitchens, Something-Something v2, Moments in Time을 포함한 여러 비디오 분류 벤치마크에서 최첨단 성과를 달성하여, 기존의 3D 합성곱 신경망 기반 방법들을 능가합니다.*
이 모델은 [jegormeister](https://huggingface.co/jegormeister)가 기여하였습니다. 원본 코드(JAX로 작성됨)는 [여기](https://github.com/google-research/scenic/tree/main/scenic/projects/vivit)에서 확인할 수 있습니다.
## VivitConfig [[transformers.VivitConfig]]
[[autodoc]] VivitConfig
## VivitImageProcessor [[transformers.VivitImageProcessor]]
[[autodoc]] VivitImageProcessor
- preprocess
## VivitModel [[transformers.VivitModel]]
[[autodoc]] VivitModel
- forward
## VivitForVideoClassification [[transformers.VivitForVideoClassification]]
[[autodoc]] transformers.VivitForVideoClassification
- forward