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README.md
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license: llama3.1
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---
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license: llama3.1
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language:
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- en
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pipeline_tag: image-text-to-text
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tags:
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- text-generation-inference
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---
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# Dragonfly Model Card
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**Note: Users are permitted to use this model in accordance with the Llama 3 Community License Agreement.**
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## Model Details
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Dragonfly is a multimodal visual-language model, trained by instruction tuning on Llama 3.1.
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- **Developed by:** [Together AI](https://www.together.ai/)
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- **Model type:** An autoregressive visual-language model based on the transformer architecture
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- **License:** [Llama 3.1 Community License Agreement](https://huggingface.co/meta-llama/Meta-Llama-3.1-8B/blob/main/LICENSE)
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- **Finetuned from model:** [Llama 3.1](https://huggingface.co/meta-llama/Llama-3.1-8B-Instruct)
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### Model Sources
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- **Repository:** https://github.com/togethercomputer/Dragonfly
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- **Paper:** https://arxiv.org/abs/2406.00977
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## Uses
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The primary use of Dragonfly is research on large visual-language models.
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It is primarily intended for researchers and hobbyists in natural language processing, machine learning, and artificial intelligence.
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## How to Get Started with the Model
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### ๐ฟ Installation
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Create a conda environment and install necessary packages
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```bash
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conda env create -f environment.yml
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conda activate dragonfly_env
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```
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Install flash attention
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```bash
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pip install flash-attn --no-build-isolation
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```
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As a final step, please run the following command.
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```bash
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pip install --upgrade -e .
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```
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### ๐ง Inference
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If you have successfully completed the installation process, then you should be able to follow the steps below.
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Question: What is so funny about this image?
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![Monalisa Dog](monalisa_dog.jpg)
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Load necessary packages
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```python
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import torch
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from PIL import Image
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from transformers import AutoProcessor, AutoTokenizer
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from dragonfly.models.modeling_dragonfly import DragonflyForCausalLM
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from dragonfly.models.processing_dragonfly import DragonflyProcessor
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from pipeline.train.train_utils import random_seed
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```
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Instantiate the tokenizer, processor, and model.
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```python
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device = torch.device("cuda:0")
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tokenizer = AutoTokenizer.from_pretrained("togethercomputer/Llama-3.1-8B-Dragonfly-v1")
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clip_processor = AutoProcessor.from_pretrained("openai/clip-vit-large-patch14-336")
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image_processor = clip_processor.image_processor
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processor = DragonflyProcessor(image_processor=image_processor, tokenizer=tokenizer, image_encoding_style="llava-hd")
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model = DragonflyForCausalLM.from_pretrained("togethercomputer/Llama-3.1-8B-Dragonfly-v1")
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model = model.to(torch.bfloat16)
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model = model.to(device)
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```
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Now, lets load the image and process them.
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```python
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image = Image.open("./test_images/skateboard.png")
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image = image.convert("RGB")
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images = [image]
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# images = [None] # if you do not want to pass any images
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text_prompt = "<|start_header_id|>user<|end_header_id|>\n\nWhat is so funny about this image?<|eot_id|><|start_header_id|>assistant<|end_header_id|>\n\n"
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inputs = processor(text=[text_prompt], images=images, max_length=4096, return_tensors="pt", is_generate=True)
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inputs = inputs.to(device)
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```
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Finally, let us generate the responses from the model
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```python
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temperature = 0
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with torch.inference_mode():
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generation_output = model.generate(**inputs, max_new_tokens=1024, eos_token_id=tokenizer.encode("<|eot_id|>"), do_sample=temperature > 0, temperature=temperature, use_cache=True)
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generation_text = processor.batch_decode(generation_output, skip_special_tokens=False)
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```
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An example response.
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```plaintext
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The humor in this image comes from the surreal juxtaposition of a dog's face with the body of the Mona Lisa, a famous painting by Leonardo da Vinci.
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The Mona Lisa is known for her enigmatic smile and is often considered one of the most famous paintings in the world. By combining the dog's face with
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the body of the Mona Lisa, the artist has created a whimsical and amusing image that plays on the viewer 's expectations and familiarity with the
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original paintings. The contrast between the dog's natural, expressive features and the serene, mysterious expression of the Mona Lisa creates a
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humerous effect that is likely to elicit laughter<|eot_id|>
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```
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## Training Details
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See more details in the "Implementation" section of our [paper](https://arxiv.org/abs/2406.00977).
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## Evaluation
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See more details in the "Results" section of our [paper](https://arxiv.org/abs/2406.00977).
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## ๐ Credits
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We would like to acknowledge the following resources that were instrumental in the development of Dragonfly:
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- [Meta Llama 3.1](https://huggingface.co/meta-llama/Llama-3.1-8B-Instruct): We utilized the Llama 3 model as our foundational language model.
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- [CLIP](https://huggingface.co/openai/clip-vit-base-patch32): Our vision backbone is CLIP model from OpenAI.
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- Our codebase is built upon the following two codebases:
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- [Otter: A Multi-Modal Model with In-Context Instruction Tuning](https://github.com/Luodian/Otter)
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- [LLaVA-UHD: an LMM Perceiving Any Aspect Ratio and High-Resolution Images](https://github.com/thunlp/LLaVA-UHD)
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## ๐ BibTeX
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```bibtex
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@misc{chen2024dragonfly,
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title={Dragonfly: Multi-Resolution Zoom Supercharges Large Visual-Language Model},
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author={Kezhen Chen and Rahul Thapa and Rahul Chalamala and Ben Athiwaratkun and Shuaiwen Leon Song and James Zou},
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year={2024},
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eprint={2406.00977},
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archivePrefix={arXiv},
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primaryClass={cs.CV}
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}
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```
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## Model Card Authors
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Rahul Thapa, Kezhen Chen, Rahul Chalamala
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## Model Card Contact
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Rahul Thapa (rahulthapa@together.ai), Kezhen Chen (kezhen@together.ai)
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