---
license: apache-2.0
---

## Model Summary

Video-CCAM-4B-v1.2 is a lightweight Video-MLLM developed by TencentQQ Multimedia Research Team, built upon [Phi-3.5-mini-instruct](https://huggingface.co/microsoft/Phi-3.5-mini-instruct) and [SigLIP SO400M](https://huggingface.co/google/siglip-so400m-patch14-384). Compared to previous versions, it has better performances on public benchmarks and supports Chinese response.

## Usage

Inference using Huggingface transformers on NVIDIA GPUs. Requirements tested on python 3.9/3.10.
```
pip install -U pip torch transformers accelerate peft decord pysubs2 imageio
# flash attention support
pip install flash-attn --no-build-isolation
```

## Inference

```
import os
import torch
from huggingface_hub import snapshot_download
from PIL import Image
from transformers import AutoModel

from eval import load_decord

os.environ['TOKENIZERS_PARALLELISM'] = 'false'

# if you have downloaded this model, just replace the following line with your local path
model_path = snapshot_download(repo_id='JaronTHU/Video-CCAM-4B-v1.2')

videoccam = AutoModel.from_pretrained(
    model_path,
    trust_remote_code=True,
    torch_dtype=torch.bfloat16,
    device_map='cuda:0',
    attn_implementation='flash_attention_2'
)

tokenizer = AutoTokenizer.from_pretrained(model_path)

image_processor = AutoImageProcessor.from_pretrained(model_path)

messages = [
    [
        {
            'role': 'user',
            'content': '<image>\nDescribe this image in detail.'
        }
    ], [
        {
            'role': 'user',
            'content': '<video>\n请仔细描述这个视频。'
        }
    ]
]

images = [
    [Image.open('assets/example_image.jpg').convert('RGB')],
    load_decord('assets/example_video.mp4', sample_type='uniform', num_frames=32)
]

response = videoccam.chat(messages, images, tokenizer, image_processor, max_new_tokens=512, do_sample=False)

print(response)
```

Please refer to [Video-CCAM](https://github.com/QQ-MM/Video-CCAM) for more details.

### Benchmarks

|Benchmark|Video-CCAM-4B|Video-CCAM-4B-v1.1|Video-CCAM-4B-v1.2|
|:-:|:-:|:-:|:-:|
|MVBench (32 frames)|57.43|62.80|66.28|
|Video-MME (w/o sub, 96 frames)|49.7|50.1|51.5|
|Video-MME (w sub, 96 frames)|52.8|51.2|54.5|
|MLVU (M-Avg, 96 frames)|57.3|56.5|61.0|
|VideoVista (96 frames)|68.09|70.82|73.44|

## Acknowledgement

* [xtuner](https://github.com/InternLM/xtuner): Video-CCAM-14B is trained using the xtuner framework. Thanks for their excellent works!
* [Phi-3.5-mini-instruct](https://huggingface.co/microsoft/Phi-3.5-mini-instruct): Powerful language models developed by Microsoft.
* [SigLIP SO400M](https://huggingface.co/google/siglip-so400m-patch14-384): Outstanding vision encoder developed by Google.

## License

The project is licensed under the Apache 2.0 License and is restricted to uses that comply with the license agreements of [Phi-3.5-mini-instruct](https://huggingface.co/microsoft/Phi-3.5-mini-instruct) and [SigLIP SO400M](https://huggingface.co/google/siglip-so400m-patch14-384).