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--- |
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license: mit |
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pipeline_tag: image-text-to-text |
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library_name: transformers |
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base_model: |
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- OpenGVLab/InternViT-6B-448px-V1-0 |
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- meta-llama/Llama-2-13b-hf |
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base_model_relation: merge |
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language: |
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- multilingual |
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tags: |
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- internvl |
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- vision |
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- ocr |
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- multi-image |
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- video |
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- custom_code |
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--- |
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# InternVL-Chat-V1-1 |
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[\[📂 GitHub\]](https://github.com/OpenGVLab/InternVL) [\[🆕 Blog\]](https://internvl.github.io/blog/) [\[📜 InternVL 1.0 Paper\]](https://arxiv.org/abs/2312.14238) [\[📜 InternVL 1.5 Report\]](https://arxiv.org/abs/2404.16821) |
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[\[🗨️ Chat Demo\]](https://internvl.opengvlab.com/) [\[🤗 HF Demo\]](https://huggingface.co/spaces/OpenGVLab/InternVL) [\[🚀 Quick Start\]](#quick-start) [\[📖 中文解读\]](https://zhuanlan.zhihu.com/p/706547971) [\[📖 Documents\]](https://internvl.readthedocs.io/en/latest/) |
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## Introduction |
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We released [🤗 InternVL-Chat-V1-1](https://huggingface.co/OpenGVLab/InternVL-Chat-V1-1), featuring a structure similar to LLaVA, including a ViT, an MLP projector, and an LLM. |
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As shown in the figure below, we connected our [InternViT-6B](https://huggingface.co/OpenGVLab/InternViT-6B-448px) to LLaMA2-13B through a simple MLP projector. Note that the LLaMA2-13B used here is not the original model but an internal chat version obtained by incrementally pre-training and fine-tuning the LLaMA2-13B base model for Chinese language tasks. Overall, our model has a total of 19 billion parameters. |
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<p align="center"> |
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<img src="https://cdn-uploads.huggingface.co/production/uploads/64119264f0f81eb569e0d569/HD29tU-g0An9FpQn1yK8X.png" style="width: 100%;"> |
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</p> |
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In this version, we explored increasing the resolution to 448 × 448, enhancing OCR capabilities, and improving support for Chinese conversations. Since the 448 × 448 input image generates 1024 visual tokens after passing through the ViT, leading to a significant computational burden, we use a pixel shuffle (unshuffle) operation to reduce the 1024 tokens to 256 tokens. |
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For more detailed information about this model, please read our [blog](https://internvl.github.io/blog/2024-01-24-InternVL-1.1/). |
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## Examples |
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In this update, InternVL-Chat has **improved support for Chinese and OCR**. |
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As you can see, although the Lynyrd Skynyrd in the image has some letters that are out of the camera's lens, and TOUR's T is blocked, the model is still able to recognize it correctly. |
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This model can also conduct an in-depth analysis of AAAI's official website and identify important information on the web page. |
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## Model Details |
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- **Model Type:** multimodal large language model (MLLM) |
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- **Model Stats:** |
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- Architecture: [InternViT-6B-448px](https://huggingface.co/OpenGVLab/InternViT-6B-448px) + MLP + LLaMA2-13B (Our internal SFT versions) |
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- Image size: 448 x 448 (256 tokens) |
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- Params: 19B |
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- **Training Strategy:** |
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- Pre-training Stage |
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- Learnable Component: ViT + MLP |
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- Data: Trained on 72M samples, including COYO, LAION, CC12M, CC3M, SBU, Wukong, GRIT, Objects365, OpenImages, and OCR-related datasets. |
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- Note: In this stage, we load the pretrained weights of the original [InternViT-6B-224px](https://huggingface.co/OpenGVLab/InternViT-6B-224px) and interpolate its position embedding to the size corresponding to 448 x 448 pixels. Moreover, in order to reduce the number of visual tokens, we use a pixel shuffle (unshuffle) operation to reduce 1024 tokens to 256 tokens. |
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- Supervised Fine-tuning Stage |
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- Learnable Component: MLP + LLM |
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- Data: A comprehensive collection of open-source datasets, along with their Chinese translation versions, totaling approximately 6M samples. |
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## Performance |
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| model | LLaVA-1.5 | InternVL-Chat<br>-V1-0 | InternVL-Chat<br>-V1-0 | InternVL-Chat<br>-V1-1 | |
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| :----------------------------: | :----------: | :--------------------: | :--------------------: | :--------------------: | |
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| resolution | 336 | 336 | 448 | 448 | |
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| vision encoder | CLIP-L-336px | InternViT-6B-224px | InternViT-6B-448px | InternViT-6B-448px | |
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| language model | Vicuna-13B | Vicuna-13B | Vicuna-13B | LLaMA2-13B | |
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| | | | | | |
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| VQAv2<sub>testdev</sub> | 80.0 | 80.2 | 82.0 | 80.9 | |
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| GQA<sub>testdev</sub> | 63.3 | 63.9 | 64.1 | 62.5 | |
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| VizWiz<sub>test</sub> | 53.6 | 54.6 | 60.1 | 57.3 | |
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| SQA<sub>test</sub> | 71.6 | 70.1 | 71.6 | 90.1 | |
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| TextVQA<sub>val, w/o OCR</sub> | - | - | - | 64.2 | |
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| TextVQA<sub>val, w/ OCR</sub> | 61.3 | 58.7 | 64.8 | 68.6 | |
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| POPE | 85.9 | 87.1 | 87.2 | 87.1 | |
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| MME<sub>perception</sub> | 1531.3 | 1546.9 | 1579.0 | 1659.8 | |
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| MMB-EN<sub>test</sub> | 67.7 | 66.5 | 68.2 | 75.4 | |
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| MMB-CN<sub>test</sub> | 63.6 | 61.9 | 64.0 | 70.3 | |
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| MMVet<sub>GPT-4-0613</sub> | 35.4 | 33.7 | 36.7 | 46.7 | |
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- Note that we use the [official evaluation server](https://huggingface.co/spaces/whyu/MM-Vet_Evaluator) to test the MMVet scores, with `GPT-4-0613` serving as the judge model. Using different versions of GPT-4 as the judge can result in significant score variations. |
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## Quick Start |
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We provide an example code to run InternVL-Chat-V1-1 using `transformers`. |
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We also welcome you to experience the InternVL2 series models in our [online demo](https://internvl.opengvlab.com/). |
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> Please use transformers==4.37.2 to ensure the model works normally. |
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### Model Loading |
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#### 16-bit (bf16 / fp16) |
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```python |
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import torch |
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from transformers import AutoTokenizer, AutoModel |
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path = "OpenGVLab/InternVL-Chat-V1-1" |
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model = AutoModel.from_pretrained( |
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path, |
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torch_dtype=torch.bfloat16, |
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low_cpu_mem_usage=True, |
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use_flash_attn=True, |
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trust_remote_code=True).eval().cuda() |
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``` |
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#### BNB 8-bit Quantization |
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```python |
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import torch |
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from transformers import AutoTokenizer, AutoModel |
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path = "OpenGVLab/InternVL-Chat-V1-1" |
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model = AutoModel.from_pretrained( |
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path, |
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torch_dtype=torch.bfloat16, |
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load_in_8bit=True, |
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low_cpu_mem_usage=True, |
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use_flash_attn=True, |
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trust_remote_code=True).eval() |
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``` |
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#### BNB 4-bit Quantization |
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> **⚠️ Warning:** Due to significant quantization errors with BNB 4-bit quantization on InternViT-6B, the model may produce nonsensical outputs and fail to understand images. Therefore, please avoid using BNB 4-bit quantization. |
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#### Multiple GPUs |
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The reason for writing the code this way is to avoid errors that occur during multi-GPU inference due to tensors not being on the same device. By ensuring that the first and last layers of the large language model (LLM) are on the same device, we prevent such errors. |
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```python |
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import math |
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import torch |
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from transformers import AutoTokenizer, AutoModel |
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def split_model(model_name): |
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device_map = {} |
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world_size = torch.cuda.device_count() |
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num_layers = {'InternVL-Chat-V1-1': 40}[model_name] |
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# Since the first GPU will be used for ViT, treat it as half a GPU. |
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num_layers_per_gpu = math.ceil(num_layers / (world_size - 0.5)) |
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num_layers_per_gpu = [num_layers_per_gpu] * world_size |
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num_layers_per_gpu[0] = math.ceil(num_layers_per_gpu[0] * 0.5) |
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layer_cnt = 0 |
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for i, num_layer in enumerate(num_layers_per_gpu): |
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for j in range(num_layer): |
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device_map[f'language_model.model.layers.{layer_cnt}'] = i |
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layer_cnt += 1 |
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device_map['vision_model'] = 0 |
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device_map['mlp1'] = 0 |
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device_map['language_model.model.tok_embeddings'] = 0 |
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device_map['language_model.model.embed_tokens'] = 0 |
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device_map['language_model.output'] = 0 |
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device_map['language_model.model.norm'] = 0 |
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device_map['language_model.lm_head'] = 0 |
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device_map[f'language_model.model.layers.{num_layers - 1}'] = 0 |
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return device_map |
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path = "OpenGVLab/InternVL-Chat-V1-1" |
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device_map = split_model('InternVL-Chat-V1-1') |
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model = AutoModel.from_pretrained( |
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path, |
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torch_dtype=torch.bfloat16, |
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low_cpu_mem_usage=True, |
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use_flash_attn=True, |
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trust_remote_code=True, |
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device_map=device_map).eval() |
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``` |
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### Inference with Transformers |
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#### Pure-text conversation |
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```python |
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from transformers import AutoTokenizer, AutoModel |
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import torch |
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path = "OpenGVLab/InternVL-Chat-V1-1" |
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model = AutoModel.from_pretrained( |
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path, |
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torch_dtype=torch.bfloat16, |
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low_cpu_mem_usage=True, |
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use_flash_attn=True, |
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trust_remote_code=True).eval().cuda() |
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tokenizer = AutoTokenizer.from_pretrained(path, trust_remote_code=True, use_fast=False) |
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generation_config = dict(max_new_tokens=1024, do_sample=True) |
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question = 'Hello, who are you?' |
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response, history = model.chat(tokenizer, None, question, generation_config, history=None, return_history=True) |
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print(f'User: {question}') |
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print(f'Assistant: {response}') |
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question = 'Can you tell me a story?' |
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response, history = model.chat(tokenizer, None, question, generation_config, history=history, return_history=True) |
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print(f'User: {question}') |
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print(f'Assistant: {response}') |
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``` |
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#### Single-image single-round conversation |
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```python |
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from transformers import AutoTokenizer, AutoModel, CLIPImageProcessor |
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from PIL import Image |
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import torch |
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path = "OpenGVLab/InternVL-Chat-V1-1" |
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model = AutoModel.from_pretrained( |
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path, |
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torch_dtype=torch.bfloat16, |
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low_cpu_mem_usage=True, |
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use_flash_attn=True, |
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trust_remote_code=True).eval().cuda() |
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tokenizer = AutoTokenizer.from_pretrained(path, trust_remote_code=True, use_fast=False) |
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image_processor = CLIPImageProcessor.from_pretrained(path) |
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image = Image.open('./examples/image2.jpg').resize((448, 448)) |
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pixel_values = image_processor(images=image, return_tensors='pt').pixel_values.to(torch.bfloat16).cuda() |
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generation_config = dict(max_new_tokens=1024, do_sample=True) |
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question = '<image>\nPlease describe the image shortly.' |
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response = model.chat(tokenizer, pixel_values, question, generation_config) |
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print(f'User: {question}') |
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print(f'Assistant: {response}') |
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``` |
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#### Single-image multi-round conversation |
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```python |
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from transformers import AutoTokenizer, AutoModel, CLIPImageProcessor |
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from PIL import Image |
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import torch |
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path = "OpenGVLab/InternVL-Chat-V1-1" |
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model = AutoModel.from_pretrained( |
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path, |
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torch_dtype=torch.bfloat16, |
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low_cpu_mem_usage=True, |
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use_flash_attn=True, |
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trust_remote_code=True).eval().cuda() |
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tokenizer = AutoTokenizer.from_pretrained(path, trust_remote_code=True, use_fast=False) |
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image_processor = CLIPImageProcessor.from_pretrained(path) |
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image = Image.open('./examples/image2.jpg').resize((448, 448)) |
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pixel_values = image_processor(images=image, return_tensors='pt').pixel_values.to(torch.bfloat16).cuda() |
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generation_config = dict(max_new_tokens=1024, do_sample=True) |
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question = '<image>\nPlease describe the image in detail.' |
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response, history = model.chat(tokenizer, pixel_values, question, generation_config, history=None, return_history=True) |
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print(f'User: {question}') |
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print(f'Assistant: {response}') |
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question = 'Please write a poem according to the image.' |
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response, history = model.chat(tokenizer, pixel_values, question, generation_config, history=history, return_history=True) |
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print(f'User: {question}') |
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print(f'Assistant: {response}') |
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``` |
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#### Multi-image multi-round conversation, combined images |
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> **⚠️️ Warning:** Please note that for this model, we support multi-image chat in the interface, but the results are not very good due to the lack of training with multi-image data. |
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```python |
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from transformers import AutoTokenizer, AutoModel, CLIPImageProcessor |
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from PIL import Image |
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import torch |
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path = "OpenGVLab/InternVL-Chat-V1-1" |
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model = AutoModel.from_pretrained( |
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path, |
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torch_dtype=torch.bfloat16, |
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low_cpu_mem_usage=True, |
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use_flash_attn=True, |
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trust_remote_code=True).eval().cuda() |
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tokenizer = AutoTokenizer.from_pretrained(path, trust_remote_code=True, use_fast=False) |
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image_processor = CLIPImageProcessor.from_pretrained(path) |
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image1 = Image.open('./examples/image1.jpg').resize((448, 448)) |
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pixel_values1 = image_processor(images=image1, return_tensors='pt').pixel_values.to(torch.bfloat16).cuda() |
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image2 = Image.open('./examples/image2.jpg').resize((448, 448)) |
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pixel_values2 = image_processor(images=image2, return_tensors='pt').pixel_values.to(torch.bfloat16).cuda() |
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pixel_values = torch.cat((pixel_values1, pixel_values2), dim=0) |
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generation_config = dict(max_new_tokens=1024, do_sample=True) |
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question = '<image>\nDescribe the two images in detail.' |
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response, history = model.chat(tokenizer, pixel_values, question, generation_config, |
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history=None, return_history=True) |
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print(f'User: {question}') |
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print(f'Assistant: {response}') |
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question = 'What are the similarities and differences between these two images.' |
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response, history = model.chat(tokenizer, pixel_values, question, generation_config, |
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history=history, return_history=True) |
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print(f'User: {question}') |
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print(f'Assistant: {response}') |
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``` |
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#### Multi-image multi-round conversation, separate images |
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> **⚠️️ Warning:** Please note that for this model, we support multi-image chat in the interface, but the results are not very good due to the lack of training with multi-image data. |
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```python |
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from transformers import AutoTokenizer, AutoModel, CLIPImageProcessor |
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from PIL import Image |
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import torch |
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path = "OpenGVLab/InternVL-Chat-V1-1" |
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model = AutoModel.from_pretrained( |
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path, |
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torch_dtype=torch.bfloat16, |
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low_cpu_mem_usage=True, |
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use_flash_attn=True, |
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trust_remote_code=True).eval().cuda() |
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tokenizer = AutoTokenizer.from_pretrained(path, trust_remote_code=True, use_fast=False) |
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image_processor = CLIPImageProcessor.from_pretrained(path) |
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image1 = Image.open('./examples/image1.jpg').resize((448, 448)) |
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pixel_values1 = image_processor(images=image1, return_tensors='pt').pixel_values.to(torch.bfloat16).cuda() |
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image2 = Image.open('./examples/image2.jpg').resize((448, 448)) |
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pixel_values2 = image_processor(images=image2, return_tensors='pt').pixel_values.to(torch.bfloat16).cuda() |
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pixel_values = torch.cat((pixel_values1, pixel_values2), dim=0) |
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num_patches_list = [pixel_values1.size(0), pixel_values2.size(0)] |
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generation_config = dict(max_new_tokens=1024, do_sample=True) |
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question = 'Image-1: <image>\nImage-2: <image>\nDescribe the two images in detail.' |
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response, history = model.chat(tokenizer, pixel_values, question, generation_config, |
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num_patches_list=num_patches_list, history=None, return_history=True) |
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print(f'User: {question}') |
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print(f'Assistant: {response}') |
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question = 'What are the similarities and differences between these two images.' |
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response, history = model.chat(tokenizer, pixel_values, question, generation_config, |
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num_patches_list=num_patches_list, history=history, return_history=True) |
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print(f'User: {question}') |
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print(f'Assistant: {response}') |
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``` |
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#### Batch inference, single image per sample |
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```python |
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from transformers import AutoTokenizer, AutoModel, CLIPImageProcessor |
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from PIL import Image |
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import torch |
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path = "OpenGVLab/InternVL-Chat-V1-1" |
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model = AutoModel.from_pretrained( |
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path, |
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torch_dtype=torch.bfloat16, |
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low_cpu_mem_usage=True, |
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use_flash_attn=True, |
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trust_remote_code=True).eval().cuda() |
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tokenizer = AutoTokenizer.from_pretrained(path, trust_remote_code=True, use_fast=False) |
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image_processor = CLIPImageProcessor.from_pretrained(path) |
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image1 = Image.open('./examples/image1.jpg').resize((448, 448)) |
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pixel_values1 = image_processor(images=image1, return_tensors='pt').pixel_values.to(torch.bfloat16).cuda() |
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image2 = Image.open('./examples/image2.jpg').resize((448, 448)) |
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pixel_values2 = image_processor(images=image2, return_tensors='pt').pixel_values.to(torch.bfloat16).cuda() |
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pixel_values = torch.cat((pixel_values1, pixel_values2), dim=0) |
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num_patches_list = [pixel_values1.size(0), pixel_values2.size(0)] |
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generation_config = dict(max_new_tokens=1024, do_sample=True) |
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questions = ['<image>\nDescribe the image in detail.'] * len(num_patches_list) |
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responses = model.batch_chat(tokenizer, pixel_values, |
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num_patches_list=num_patches_list, |
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questions=questions, |
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generation_config=generation_config) |
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for question, response in zip(questions, responses): |
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print(f'User: {question}') |
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print(f'Assistant: {response}') |
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``` |
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#### Video multi-round conversation |
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> **⚠️️ Warning:** Please note that for this model, we support video chat in the interface, but the results are not very good due to the lack of training with video data. |
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```python |
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from transformers import AutoTokenizer, AutoModel, CLIPImageProcessor |
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from decord import VideoReader, cpu |
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from PIL import Image |
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import numpy as np |
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import torch |
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def get_index(bound, fps, max_frame, first_idx=0, num_segments=32): |
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if bound: |
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start, end = bound[0], bound[1] |
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else: |
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start, end = -100000, 100000 |
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start_idx = max(first_idx, round(start * fps)) |
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end_idx = min(round(end * fps), max_frame) |
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seg_size = float(end_idx - start_idx) / num_segments |
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frame_indices = np.array([ |
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int(start_idx + (seg_size / 2) + np.round(seg_size * idx)) |
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for idx in range(num_segments) |
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]) |
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return frame_indices |
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def load_video(video_path, bound=None, num_segments=32): |
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vr = VideoReader(video_path, ctx=cpu(0), num_threads=1) |
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max_frame = len(vr) - 1 |
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fps = float(vr.get_avg_fps()) |
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pixel_values_list, num_patches_list = [], [] |
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image_processor = CLIPImageProcessor.from_pretrained(path) |
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frame_indices = get_index(bound, fps, max_frame, first_idx=0, num_segments=num_segments) |
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for frame_index in frame_indices: |
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img = Image.fromarray(vr[frame_index].asnumpy()).convert('RGB').resize((448, 448)) |
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pixel_values = image_processor(images=img, return_tensors='pt').pixel_values |
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num_patches_list.append(pixel_values.shape[0]) |
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pixel_values_list.append(pixel_values) |
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pixel_values = torch.cat(pixel_values_list) |
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return pixel_values, num_patches_list |
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path = "OpenGVLab/InternVL-Chat-V1-1" |
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model = AutoModel.from_pretrained( |
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path, |
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torch_dtype=torch.bfloat16, |
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low_cpu_mem_usage=True, |
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use_flash_attn=True, |
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trust_remote_code=True).eval().cuda() |
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tokenizer = AutoTokenizer.from_pretrained(path, trust_remote_code=True, use_fast=False) |
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generation_config = dict(max_new_tokens=1024, do_sample=True) |
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video_path = './examples/red-panda.mp4' |
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pixel_values, num_patches_list = load_video(video_path, num_segments=8) |
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pixel_values = pixel_values.to(torch.bfloat16).cuda() |
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video_prefix = ''.join([f'Frame{i+1}: <image>\n' for i in range(len(num_patches_list))]) |
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question = video_prefix + 'What is the red panda doing?' |
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# Frame1: <image>\nFrame2: <image>\n...\nFrame8: <image>\n{question} |
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response, history = model.chat(tokenizer, pixel_values, question, generation_config, |
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num_patches_list=num_patches_list, history=None, return_history=True) |
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print(f'User: {question}') |
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print(f'Assistant: {response}') |
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|
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question = 'Describe this video in detail.' |
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response, history = model.chat(tokenizer, pixel_values, question, generation_config, |
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num_patches_list=num_patches_list, history=history, return_history=True) |
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print(f'User: {question}') |
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print(f'Assistant: {response}') |
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``` |
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|
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#### Streaming output |
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|
|
Besides this method, you can also use the following code to get streamed output. |
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|
|
```python |
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from transformers import TextIteratorStreamer |
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from threading import Thread |
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|
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# Initialize the streamer |
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streamer = TextIteratorStreamer(tokenizer, skip_prompt=True, skip_special_tokens=True, timeout=10) |
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# Define the generation configuration |
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generation_config = dict(max_new_tokens=1024, do_sample=False, streamer=streamer) |
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# Start the model chat in a separate thread |
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thread = Thread(target=model.chat, kwargs=dict( |
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tokenizer=tokenizer, pixel_values=pixel_values, question=question, |
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history=None, return_history=False, generation_config=generation_config, |
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)) |
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thread.start() |
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|
|
# Initialize an empty string to store the generated text |
|
generated_text = '' |
|
# Loop through the streamer to get the new text as it is generated |
|
for new_text in streamer: |
|
if new_text == model.conv_template.sep: |
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break |
|
generated_text += new_text |
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print(new_text, end='', flush=True) # Print each new chunk of generated text on the same line |
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``` |
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## License |
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|
|
This project is released under the MIT license. Parts of this project contain code and models (e.g., LLaMA2) from other sources, which are subject to their respective licenses. |
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|
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## Citation |
|
|
|
If you find this project useful in your research, please consider citing: |
|
|
|
```BibTeX |
|
@article{chen2023internvl, |
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title={InternVL: Scaling up Vision Foundation Models and Aligning for Generic Visual-Linguistic Tasks}, |
|
author={Chen, Zhe and Wu, Jiannan and Wang, Wenhai and Su, Weijie and Chen, Guo and Xing, Sen and Zhong, Muyan and Zhang, Qinglong and Zhu, Xizhou and Lu, Lewei and Li, Bin and Luo, Ping and Lu, Tong and Qiao, Yu and Dai, Jifeng}, |
|
journal={arXiv preprint arXiv:2312.14238}, |
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year={2023} |
|
} |
|
@article{chen2024far, |
|
title={How Far Are We to GPT-4V? Closing the Gap to Commercial Multimodal Models with Open-Source Suites}, |
|
author={Chen, Zhe and Wang, Weiyun and Tian, Hao and Ye, Shenglong and Gao, Zhangwei and Cui, Erfei and Tong, Wenwen and Hu, Kongzhi and Luo, Jiapeng and Ma, Zheng and others}, |
|
journal={arXiv preprint arXiv:2404.16821}, |
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year={2024} |
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} |
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``` |
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|
