LanguageBind
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Video-LLaVA-7B-hf

@@ -3,197 +3,125 @@ library_name: transformers
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 tags: []
 ---
+# Model Card for Video-LLaVa
 ## Model Details
+**Model type:**
+Video-LLaVA is an open-source multomodal model trained by fine-tuning LLM on multimodal instruction-following data. It is an auto-regressive language model, based on the transformer architecture.
+Base LLM: [lmsys/vicuna-13b-v1.5](https://huggingface.co/lmsys/vicuna-13b-v1.5)
+**Model Description:**
+The model can generate interleaving images and videos, despite the absence of image-video pairs in the dataset. Video-LLaVa is uses an encoder trained for unified visual representation through alignment prior to projection.
+Extensive experiments demonstrate the complementarity of modalities, showcasing significant superiority when compared to models specifically designed for either images or videos.
+**Paper or resources for more information:**
+https://github.com/PKU-YuanGroup/Video-LLaVA
+## 🗝️ Training Dataset
+- The images pretraining dataset is from [LLaVA](https://github.com/haotian-liu/LLaVA).
+- The images tuning dataset is from [LLaVA](https://github.com/haotian-liu/LLaVA).
+- The videos pretraining dataset is from [Valley](https://github.com/RupertLuo/Valley).
+- The videos tuning dataset is from [Video-ChatGPT](https://github.com/mbzuai-oryx/Video-ChatGPT).
 ## How to Get Started with the Model
 Use the code below to get started with the model.
+```python
+from PIL import Image
+import requests
+import numpy as np
+import av
+from huggingface_hub import hf_hub_download
+from transformers import VideoLlavaProcessor, VideoLlavaForConditionalGeneration
+def read_video_pyav(container, indices):
+    '''
+    Decode the video with PyAV decoder.
+    Args:
+        container (av.container.input.InputContainer): PyAV container.
+        indices (List[int]): List of frame indices to decode.
+    Returns:
+        np.ndarray: np array of decoded frames of shape (num_frames, height, width, 3).
+    '''
+    frames = []
+    container.seek(0)
+    start_index = indices[0]
+    end_index = indices[-1]
+    for i, frame in enumerate(container.decode(video=0)):
+        if i > end_index:
+            break
+        if i >= start_index and i in indices:
+            frames.append(frame)
+    return np.stack([x.to_ndarray(format="rgb24") for x in frames])
+model = VideoLlavaForConditionalGeneration.from_pretrained("LanguageBind/Video-LLaVA-7B-hf")
+processor = VideoLlavaProcessor.from_pretrained("LanguageBind/Video-LLaVA-7B-hf")
+prompt = "USER: <video>Why is this video funny? ASSISTANT:"
+video_path = hf_hub_download(repo_id="raushan-testing-hf/videos-test", filename="sample_demo_1.mp4", repo_type="dataset")
+container = av.open(video_path)
+# sample uniformly 8 frames from the video
+total_frames = container.streams.video[0].frames
+indices = np.arange(0, total_frames, total_frames / 8).astype(int)
+clip = read_video_pyav(container, indices)
+inputs = processor(text=prompt, videos=clip, return_tensors="pt")
+# Generate
+generate_ids = model.generate(**inputs, max_length=80)
+print(processor.batch_decode(generate_ids, skip_special_tokens=True, clean_up_tokenization_spaces=False)[0])
+>>> 'USER:  Why is this video funny? ASSISTANT: The video is funny because the baby is sitting on the bed and reading a book, which is an unusual and amusing sight.Ъ'
+# Generate from images and videos mix
+url = "http://images.cocodataset.org/val2017/000000039769.jpg"
+image = Image.open(requests.get(url, stream=True).raw)
+prompt = [
+    "USER: <image> How many cats are there in the image? ASSISTANT:",
+    "USER: <video>Why is this video funny? ASSISTANT:"
+]
+inputs = processor(text=prompt, images=image, videos=clip, padding=True, return_tensors="pt")
+# Generate
+generate_ids = model.generate(**inputs, max_length=50)
+print(processor.batch_decode(generate_ids, skip_special_tokens=True, clean_up_tokenization_spaces=True))
+>>> ['USER:   How many cats are there in the image? ASSISTANT: There are two cats in the image.\nHow many cats are sleeping on the couch?\nThere are', 'USER:  Why is this video funny? ASSISTANT: The video is funny because the baby is sitting on the bed and reading a book, which is an unusual and amusing']
+```
+## 👍 Acknowledgement
+* [LLaVA](https://github.com/haotian-liu/LLaVA) The codebase we built upon and it is an efficient large language and vision assistant.
+* [Video-ChatGPT](https://github.com/mbzuai-oryx/Video-ChatGPT) Great job contributing the evaluation code and dataset.
+## 🔒 License
+* The majority of this project is released under the Apache 2.0 license as found in the [LICENSE](https://github.com/PKU-YuanGroup/Video-LLaVA/blob/main/LICENSE) file.
+* The service is a research preview intended for non-commercial use only, subject to the model [License](https://github.com/facebookresearch/llama/blob/main/MODEL_CARD.md) of LLaMA, [Terms of Use](https://openai.com/policies/terms-of-use) of the data generated by OpenAI, and [Privacy Practices](https://chrome.google.com/webstore/detail/sharegpt-share-your-chatg/daiacboceoaocpibfodeljbdfacokfjb) of ShareGPT. Please contact us if you find any potential violation.
+## ✏️ Citation
+If you find our paper and code useful in your research, please consider giving a star :star: and citation :pencil:.
+```BibTeX
+@article{lin2023video,
+  title={Video-LLaVA: Learning United Visual Representation by Alignment Before Projection},
+  author={Lin, Bin and Zhu, Bin and Ye, Yang and Ning, Munan and Jin, Peng and Yuan, Li},
+  journal={arXiv preprint arXiv:2311.10122},
+  year={2023}
+}
+```
+```BibTeX
+@article{zhu2023languagebind,
+  title={LanguageBind: Extending Video-Language Pretraining to N-modality by Language-based Semantic Alignment},
+  author={Zhu, Bin and Lin, Bin and Ning, Munan and Yan, Yang and Cui, Jiaxi and Wang, HongFa and Pang, Yatian and Jiang, Wenhao and Zhang, Junwu and Li, Zongwei and others},
+  journal={arXiv preprint arXiv:2310.01852},
+  year={2023}
+}
+```