Commit
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Parent(s):
Initial commit
Browse files- .gitattributes +35 -0
- README.md +79 -0
- config.json +33 -0
- model.safetensors +3 -0
- original/model.pth +3 -0
- video_preprocessor_config.json +71 -0
.gitattributes
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README.md
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---
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license: apache-2.0
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pipeline_tag: video-classification
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tags:
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- video
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---
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# V-JEPA 2
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A frontier video understanding model developed by FAIR, Meta, which extends the pretraining objectives of [VJEPA](https://ai.meta.com/blog/v-jepa-yann-lecun-ai-model-video-joint-embedding-predictive-architecture/), resulting in state-of-the-art video understanding capabilities, leveraging data and model sizes at scale.
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The code is released [in this repository](https://github.com/facebookresearch/vjepa2).
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<img src="https://dl.fbaipublicfiles.com/vjepa2/vjepa2-pretrain.gif">
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## Intended Uses
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V-JEPA 2 is intended to represent any video (and image) to perform video classification, retrieval, or as a video encoder for VLMs.
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```python
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from transformers import AutoVideoProcessor, AutoModel
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hf_repo = "facebook/vjepa2-vitg-fpc64-256"
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model = AutoModel.from_pretrained(hf_repo)
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processor = AutoVideoProcessor.from_pretrained(hf_repo)
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```
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To load a video, sample the number of frames according to the model. For this model, we use 64.
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```python
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import torch
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from torchcodec.decoders import VideoDecoder
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import numpy as np
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video_url = "https://huggingface.co/datasets/nateraw/kinetics-mini/resolve/main/val/archery/-Qz25rXdMjE_000014_000024.mp4"
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vr = VideoDecoder(video_url)
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frame_idx = np.arange(0, 64) # choosing some frames. here, you can define more complex sampling strategy
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video = vr.get_frames_at(indices=frame_idx).data # T x C x H x W
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video = processor(video, return_tensors="pt").to(model.device)
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with torch.no_grad():
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video_embeddings = model.get_vision_features(**video)
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print(video_embeddings.shape)
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```
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To load an image, simply copy the image to the desired number of frames.
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```python
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from transformers.image_utils import load_image
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image = load_image("https://huggingface.co/datasets/merve/coco/resolve/main/val2017/000000000285.jpg")
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pixel_values = processor(image, return_tensors="pt").to(model.device)["pixel_values_videos"]
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pixel_values = pixel_values.repeat(1, 16, 1, 1, 1) # repeating image 16 times
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with torch.no_grad():
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image_embeddings = model.get_vision_features(pixel_values)
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print(image_embeddings.shape)
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```
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For more code examples, please refer to the V-JEPA 2 documentation.
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### Citation
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```
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@techreport{assran2025vjepa2,
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title={V-JEPA~2: Self-Supervised Video Models Enable Understanding, Prediction and Planning},
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author={Assran, Mahmoud and Bardes, Adrien and Fan, David and Garrido, Quentin and Howes, Russell and
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Komeili, Mojtaba and Muckley, Matthew and Rizvi, Ammar and Roberts, Claire and Sinha, Koustuv and Zholus, Artem and
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Arnaud, Sergio and Gejji, Abha and Martin, Ada and Robert Hogan, Francois and Dugas, Daniel and
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Bojanowski, Piotr and Khalidov, Vasil and Labatut, Patrick and Massa, Francisco and Szafraniec, Marc and
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Krishnakumar, Kapil and Li, Yong and Ma, Xiaodong and Chandar, Sarath and Meier, Franziska and LeCun, Yann and
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Rabbat, Michael and Ballas, Nicolas},
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institution={FAIR at Meta},
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year={2025}
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}
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config.json
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{
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"architectures": [
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"VJEPA2Model"
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],
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"attention_probs_dropout_prob": 0.0,
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"crop_size": 256,
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"drop_path_rate": 0.0,
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"frames_per_clip": 64,
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"hidden_act": "gelu",
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"hidden_dropout_prob": 0.0,
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"hidden_size": 1408,
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"image_size": 256,
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"in_chans": 3,
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"initializer_range": 0.02,
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"layer_norm_eps": 1e-06,
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"mlp_ratio": 4.363636363636363,
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"model_type": "vjepa2",
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"num_attention_heads": 22,
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"num_hidden_layers": 40,
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"patch_size": 16,
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"pred_hidden_size": 384,
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"pred_mlp_ratio": 4.0,
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"pred_num_attention_heads": 12,
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"pred_num_hidden_layers": 12,
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"pred_num_mask_tokens": 10,
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"pred_zero_init_mask_tokens": true,
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"qkv_bias": true,
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"torch_dtype": "float32",
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"transformers_version": "4.53.0.dev0",
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"tubelet_size": 2,
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"use_SiLU": false,
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"wide_SiLU": true
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}
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model.safetensors
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version https://git-lfs.github.com/spec/v1
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oid sha256:f205e77aa2ade168db6b09d4bc420d156141f64ab964278a9c181a2bdf2a232b
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size 4138311608
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original/model.pth
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version https://git-lfs.github.com/spec/v1
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oid sha256:67129f011434e605d894e69f2c8e13d9db118deabe59d54bf6e0fa62c2c5cb8e
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size 16464208210
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video_preprocessor_config.json
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{
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"_valid_kwargs_names": [
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"do_convert_rgb",
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"do_resize",
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"size",
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"size_divisor",
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"default_to_square",
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"resample",
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"do_rescale",
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"rescale_factor",
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"do_normalize",
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"image_mean",
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"image_std",
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"do_pad",
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"do_center_crop",
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"crop_size",
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"data_format",
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"input_data_format",
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"device"
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],
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"crop_size": {
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"height": 256,
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"width": 256
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},
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"data_format": "channels_first",
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"default_to_square": true,
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"device": null,
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"do_center_crop": true,
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"do_convert_rgb": null,
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"do_normalize": true,
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"do_pad": null,
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"do_rescale": true,
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"do_resize": true,
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"image_mean": [
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0.485,
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0.456,
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0.406
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],
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"image_std": [
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0.229,
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0.224,
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0.225
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],
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"input_data_format": null,
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"model_valid_processing_keys": [
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"do_convert_rgb",
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"do_resize",
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"size",
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| 49 |
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"size_divisor",
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"default_to_square",
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| 51 |
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"resample",
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"do_rescale",
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| 53 |
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"rescale_factor",
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| 54 |
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"do_normalize",
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| 55 |
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"image_mean",
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"image_std",
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| 57 |
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"do_pad",
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| 58 |
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"do_center_crop",
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| 59 |
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"crop_size",
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| 60 |
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"data_format",
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| 61 |
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"input_data_format",
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| 62 |
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"device"
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],
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"resample": 2,
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| 65 |
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"rescale_factor": 0.00392156862745098,
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| 66 |
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"size": {
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| 67 |
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"shortest_edge": 292
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},
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"size_divisor": null,
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"video_processor_type": "VJEPA2VideoProcessor"
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}
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