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陈赣
2026-06-05 16:53:03 +08:00
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<<<<<<< Updated upstream
*This model was released on 2025-04-17 and added to Hugging Face Transformers on 2025-12-16.*
=======
*This model was published in HF papers on 2025-04-17 and contributed to Hugging Face Transformers on 2025-12-16.*
>>>>>>> Stashed changes
# PE Video
[PE Video](https://huggingface.co/papers/2504.13181) is the video branch of Meta's Perception Encoder family. It contrastively aligns video clips with text into a shared embedding space, enabling zero-shot video classification and videotext retrieval from a single pretrained backbone.
The encoder's rotary embeddings and patch embedder treat the temporal axis as a first-class dimension, so variable-length clips can be encoded without tiling each frame independently.
You can find all the official PE Audio checkpoints under the [perception-encoder-audio-visual](https://huggingface.co/collections/facebook/perception-encoder-audio-visual) collection.
## Quickstart
```py
import torch
from transformers import AutoProcessor, PeVideoModel
from transformers.video_utils import load_video
processor = AutoProcessor.from_pretrained("facebook/pe-av-large")
model = PeVideoModel.from_pretrained(
"facebook/pe-av-large",
device_map="auto",
)
video, _ = load_video("https://huggingface.co/datasets/hf-internal-testing/fixtures_videos/resolve/main/tennis.mp4")
labels = ["a person playing tennis", "a person cooking", "a cat sleeping"]
video_inputs = processor.video_processor(video, num_frames=16, return_tensors="pt").to(model.device)
text_inputs = processor.tokenizer(labels, padding=True, return_tensors="pt").to(model.device)
inputs = {**video_inputs, **text_inputs}
with torch.no_grad():
outputs = model(**inputs)
probs = outputs.logits_video_text.sigmoid()
print({label: p.item() for label, p in zip(labels, probs[0])})
```
## Usage tips and notes
- Variable-length videos use `padding_mask_videos` (not `attention_mask`). The video processor only pads and returns this mask when `return_tensors` is set — without it you get a list of per-clip tensors and no mask.
- Pass `num_frames` to the video processor for fixed-length uniform sampling across `[0, total_frames-1]`. Omit it to fall back to fps-based sampling from the base class. Checkpoints are usually trained at a specific frame count, so match what the checkpoint expects.
- Encoder input is `pixel_values_videos`. The encoder's `main_input_name` is `"pixel_values_videos"` while the full model's is `"input_ids"`, which matters when routing through generic utilities that inspect `main_input_name`.
## PeVideoConfig
[[autodoc]] PeVideoConfig
## PeVideoEncoderConfig
[[autodoc]] PeVideoEncoderConfig
## PeVideoVideoProcessor
[[autodoc]] PeVideoVideoProcessor
## PeVideoProcessor
[[autodoc]] PeVideoProcessor
## PeVideoEncoder
[[autodoc]] PeVideoEncoder
- forward
## PeVideoModel
[[autodoc]] PeVideoModel
- forward