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Llava Onevision: add model (huggingface#32673)
* working version * fix copies * update * tests * update docs * codestyle * add more tests * add returns for docs * clean up * Update src/transformers/models/llava_onevision/processing_llava_onevision.py Co-authored-by: amyeroberts <22614925+amyeroberts@users.noreply.github.com> * updates * codestyle * style * shouldn't be reversed * [run-slow] llava_onevision * [run-slow] llava_onevision * add pooling in videos * [run-slow] llava_onevision * num-logits-to-keep * [run-slow] llava_onevision * [run-slow] llava_onevision * Update tests/test_modeling_common.py Co-authored-by: amyeroberts <22614925+amyeroberts@users.noreply.github.com> * video matched orig impl * fix tests * chat template was modified * Update docs/source/en/model_doc/llava_onevision.md Co-authored-by: amyeroberts <22614925+amyeroberts@users.noreply.github.com> * add morer info in the doc page --------- Co-authored-by: amyeroberts <22614925+amyeroberts@users.noreply.github.com>
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<!--Copyright 2024 The HuggingFace Team. All rights reserved. | ||
Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with | ||
the License. You may obtain a copy of the License at | ||
http://www.apache.org/licenses/LICENSE-2.0 | ||
Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on | ||
an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the | ||
specific language governing permissions and limitations under the License. | ||
⚠️ Note that this file is in Markdown but contain specific syntax for our doc-builder (similar to MDX) that may not be | ||
rendered properly in your Markdown viewer. | ||
--> | ||
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# LLaVA-Onevision | ||
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## Overview | ||
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The LLaVA-Onevision model was proposed in [LLaVA-OneVision: Easy Visual Task Transfer](https://arxiv.org/abs/2408.03326) by <Bo Li, Yuanhan Zhang, Dong Guo, Renrui Zhang, Feng Li, Hao Zhang, Kaichen Zhang, Yanwei Li, Ziwei Liu, Chunyuan Li | ||
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LLaVA-Onevision is a Vision-Language Model that can generate text conditioned on one or several images/videos. The model consists of SigLIP vision encoder and a Qwen2 language backbone. The images are processed with anyres-9 technique where the image is split into 9 patches to better process high resolution images and capture as much details as possible. However, videos are pooled to a total sequence length of 196 tokens each frame for more memory efficient computation. LLaVA-Onevision is available in three sizes: 0.5B, 7B and 72B and achieves remarkable performance on benchmark evaluations. | ||
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The abstract from the paper is the following: | ||
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*We present LLaVA-OneVision, a family of open large multimodal models (LMMs) | ||
developed by consolidating our insights into data, models, and visual representations in the LLaVA-NeXT blog series. Our experimental results demonstrate that | ||
LLaVA-OneVision is the first single model that can simultaneously push the performance boundaries of open LMMs in three important computer vision scenarios: | ||
single-image, multi-image, and video scenarios. Importantly, the design of LLaVAOneVision allows strong transfer learning across different modalities/scenarios, | ||
yielding new emerging capabilities. In particular, strong video understanding and | ||
cross-scenario capabilities are demonstrated through task transfer from images to | ||
videos.* | ||
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<img src="https://huggingface.co/datasets/huggingface/documentation-images/resolve/main/transformers/model_doc/llava-ov-acrhitecture.png" | ||
alt="drawing" width="600"/> | ||
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<small> LLaVA=Onevision architecture. Taken from the <a href="https://arxiv.org/abs/2408.03326">original paper.</a> </small> | ||
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Tips: | ||
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- We advise users to use `padding_side="left"` when computing batched generation as it leads to more accurate results. Simply make sure to call `processor.tokenizer.padding_side = "left"` before generating. | ||
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<Tip warning={true}> | ||
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- Llava-Onevision uses different number of patches for images and thus has to pad the inputs inside modeling code, aside from the padding done when processing the inputs. The default setting is "left-padding" if model is in `eval()` mode, otherwise "right-padding". | ||
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</Tip> | ||
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- Note that the model should use a specific prompt format, on which the large language model (LLM) was trained. You can use the processor's `apply_chat_template` to format your prompts correctly. For that you have to construct a conversation history, passing a plain string will not format your prompt. Each message in the conversation history for chat templates is a dictionary with keys "role" and "content". The "content" should be a list of dictionaries, for "text" and "image" modalities. | ||
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We will use [llava-onevision-qwen2-7b-si-hf](https://huggingface.co/llava-hf/llava-onevision-qwen2-7b-si-hf) and a conversation history of text and image. Each content field has to be a list of dicts, as follows: | ||
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```python | ||
from transformers import AutoProcessor | ||
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processor = AutoProcessor.from_pretrained("llava-hf/llava-onevision-qwen2-7b-si-hf") | ||
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conversation = [ | ||
{ | ||
"role": "user", | ||
"content": [ | ||
{"type": "image"}, | ||
{"type": "text", "text": "What’s shown in this image?"}, | ||
], | ||
}, | ||
{ | ||
"role": "assistant", | ||
"content": [{"type": "text", "text": "This image shows a red stop sign."},] | ||
}, | ||
{ | ||
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"role": "user", | ||
"content": [ | ||
{"type": "text", "text": "Describe the image in more details."}, | ||
], | ||
}, | ||
] | ||
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text_prompt = processor.apply_chat_template(conversation, add_generation_prompt=True) | ||
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# Note that the template simply formats your prompt, you still have to tokenize it and obtain pixel values for your images | ||
print(text_prompt) | ||
>>> "<|im_start|>user\n<image>What is shown in this image?<|im_end|>\n<|im_start|>assistant\nPage showing the list of options.<|im_end|>" | ||
``` | ||
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This model was contributed by [RaushanTurganbay](https://huggingface.co/RaushanTurganbay). | ||
The original code can be found [here](https://github.com/LLaVA-VL/LLaVA-NeXT/tree/main). | ||
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## Usage example | ||
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### Single image inference | ||
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Here's how to load the model and perform inference in half-precision (`torch.float16`): | ||
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```python | ||
from transformers import AutoProcessor, LlavaOnevisionForConditionalGeneration | ||
import torch | ||
from PIL import Image | ||
import requests | ||
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processor = AutoProcessor.from_pretrained("llava-hf/llava-onevision-qwen2-7b-ov-hf") | ||
model = LlavaOnevisionForConditionalGeneration.from_pretrained("llava-hf/llava-onevision-qwen2-7b-ov-hf", torch_dtype=torch.float16, low_cpu_mem_usage=True) | ||
model.to("cuda:0") | ||
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# prepare image and text prompt, using the appropriate prompt template | ||
url = "https://github.com/haotian-liu/LLaVA/blob/1a91fc274d7c35a9b50b3cb29c4247ae5837ce39/images/llava_v1_5_radar.jpg?raw=true" | ||
image = Image.open(requests.get(url, stream=True).raw) | ||
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conversation = [ | ||
{ | ||
"role": "user", | ||
"content": [ | ||
{"type": "image"}, | ||
{"type": "text", "text": "What is shown in this image?"}, | ||
], | ||
}, | ||
] | ||
prompt = processor.apply_chat_template(conversation, add_generation_prompt=True) | ||
inputs = processor(images=image, text=prompt, return_tensors="pt").to("cuda:0", torch.float16) | ||
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# autoregressively complete prompt | ||
output = model.generate(**inputs, max_new_tokens=100) | ||
print(processor.decode(output[0], skip_special_tokens=True)) | ||
'user\n\nWhat is shown in this image?\nassistant\nThe image shows a radar chart, also known as a spider chart or a star chart, which is used to compare multiple quantitative variables. Each axis represents a different variable, and the chart is filled with' | ||
``` | ||
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### Multi image inference | ||
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LLaVa-Onevision can perform inference with multiple images as input, where images either belong to the same prompt or different prompts (in batched inference). For that you have to use checkpoints with an "ov" suffix. Here is how you can do it: | ||
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```python | ||
import requests | ||
from PIL import Image | ||
import torch | ||
from transformers import AutoProcessor, LlavaOnevisionForConditionalGeneration | ||
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# Load the model in half-precision | ||
model = LlavaOnevisionForConditionalGeneration.from_pretrained("llava-hf/llava-onevision-qwen2-7b-ov-hf", torch_dtype=torch.float16, device_map="auto") | ||
processor = AutoProcessor.from_pretrained("llava-hf/llava-onevision-qwen2-7b-ov-hf") | ||
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# Get three different images | ||
url = "https://www.ilankelman.org/stopsigns/australia.jpg" | ||
image_stop = Image.open(requests.get(url, stream=True).raw) | ||
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url = "http://images.cocodataset.org/val2017/000000039769.jpg" | ||
image_cats = Image.open(requests.get(url, stream=True).raw) | ||
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url = "https://huggingface.co/microsoft/kosmos-2-patch14-224/resolve/main/snowman.jpg" | ||
image_snowman = Image.open(requests.get(url, stream=True).raw) | ||
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# Prepare a batch of two prompts, where the first one is a multi-turn conversation and the second is not | ||
conversation_1 = [ | ||
{ | ||
"role": "user", | ||
"content": [ | ||
{"type": "image"}, | ||
{"type": "text", "text": "What is shown in this image?"}, | ||
], | ||
}, | ||
{ | ||
"role": "assistant", | ||
"content": [ | ||
{"type": "text", "text": "There is a red stop sign in the image."}, | ||
], | ||
}, | ||
{ | ||
"role": "user", | ||
"content": [ | ||
{"type": "image"}, | ||
{"type": "text", "text": "What about this image? How many cats do you see?"}, | ||
], | ||
}, | ||
] | ||
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conversation_2 = [ | ||
{ | ||
"role": "user", | ||
"content": [ | ||
{"type": "image"}, | ||
{"type": "text", "text": "What is shown in this image?"}, | ||
], | ||
}, | ||
] | ||
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prompt_1 = processor.apply_chat_template(conversation_1, add_generation_prompt=True) | ||
prompt_2 = processor.apply_chat_template(conversation_2, add_generation_prompt=True) | ||
prompts = [prompt_1, prompt_2] | ||
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# We can simply feed images in the order they have to be used in the text prompt | ||
inputs = processor(images=[image_stop, image_cats, image_snowman], text=prompts, padding=True, return_tensors="pt").to(model.device, torch.float16) | ||
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# Generate | ||
generate_ids = model.generate(**inputs, max_new_tokens=30) | ||
processor.batch_decode(generate_ids, skip_special_tokens=True, clean_up_tokenization_spaces=False) | ||
['user\n\nWhat is shown in this image?\nassistant\nThere is a red stop sign in the image.\nuser\n\nWhat about this image? How many cats do you see?\nassistant\ntwo', 'user\n\nWhat is shown in this image?\nassistant\n'] | ||
``` | ||
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### Video inference | ||
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LLaVa-Onevision also can perform inference with videos as input, where video frames are treated as multiple images. Here is how you can do it: | ||
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```python | ||
import av | ||
import numpy as np | ||
from huggingface_hub import hf_hub_download | ||
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import torch | ||
from transformers import AutoProcessor, LlavaOnevisionForConditionalGeneration | ||
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# Load the model in half-precision | ||
model = LlavaOnevisionForConditionalGeneration.from_pretrained("llava-hf/llava-onevision-qwen2-7b-ov-hf", torch_dtype=torch.float16, device_map="auto") | ||
processor = AutoProcessor.from_pretrained("llava-hf/llava-onevision-qwen2-7b-ov-hf") | ||
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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: | ||
result (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]) | ||
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# Load the video as an np.array, sampling uniformly 8 frames (can sample more for longer videos, up to 32 frames) | ||
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) | ||
total_frames = container.streams.video[0].frames | ||
indices = np.arange(0, total_frames, total_frames / 8).astype(int) | ||
video = read_video_pyav(container, indices) | ||
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# For videos we have to feed a "video" type instead of "image" | ||
conversation = [ | ||
{ | ||
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"role": "user", | ||
"content": [ | ||
{"type": "video"}, | ||
{"type": "text", "text": "Why is this video funny?"}, | ||
], | ||
}, | ||
] | ||
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prompt = processor.apply_chat_template(conversation, add_generation_prompt=True) | ||
inputs = processor(videos=list(video), text=prompt, return_tensors="pt").to("cuda:0", torch.float16) | ||
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out = model.generate(**inputs, max_new_tokens=60) | ||
processor.batch_decode(out, skip_special_tokens=True, clean_up_tokenization_spaces=True) | ||
["user\n\nWhy is this video funny?\nassistant\nThe video appears to be humorous because it shows a young child, who is wearing glasses and holding a book, seemingly reading with a serious and focused expression. The child's glasses are a bit oversized for their face, which adds a comical touch, as it's a common trope to see children wearing"] | ||
``` | ||
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## Model optimization | ||
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### Quantization using Bitsandbytes | ||
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The model can be loaded in 8 or 4 bits, greatly reducing the memory requirements while maintaining the performance of the original model. First make sure to install bitsandbytes, `pip install bitsandbytes` and make sure to have access to a CUDA compatible GPU device. Simply change the snippet above with: | ||
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```python | ||
from transformers import LlavaOnevisionForConditionalGeneration, BitsAndBytesConfig | ||
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# specify how to quantize the model | ||
quantization_config = BitsAndBytesConfig( | ||
load_in_4bit=True, | ||
bnb_4bit_quant_type="nf4", | ||
bnb_4bit_compute_dtype=torch.float16, | ||
) | ||
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model = LlavaOnevisionForConditionalGeneration.from_pretrained(model_id, quantization_config=quantization_config, device_map="auto") | ||
``` | ||
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### Use Flash-Attention 2 to further speed-up generation | ||
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First make sure to install flash-attn. Refer to the [original repository of Flash Attention](https://github.com/Dao-AILab/flash-attention) regarding that package installation. Simply change the snippet above with: | ||
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```python | ||
from transformers import LlavaOnevisionForConditionalGeneration | ||
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model = LlavaOnevisionForConditionalGeneration.from_pretrained( | ||
model_id, | ||
torch_dtype=torch.float16, | ||
low_cpu_mem_usage=True, | ||
use_flash_attention_2=True | ||
).to(0) | ||
``` | ||
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## LlavaOnevisionConfig | ||
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[[autodoc]] LlavaOnevisionConfig | ||
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## LlavaOnevisionProcessor | ||
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[[autodoc]] LlavaOnevisionProcessor | ||
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## LlavaOnevisionImageProcessor | ||
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[[autodoc]] LlavaOnevisionImageProcessor | ||
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## LlavaOnevisionVideoProcessor | ||
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[[autodoc]] LlavaOnevisionVideoProcessor | ||
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## LlavaOnevisionForConditionalGeneration | ||
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[[autodoc]] LlavaOnevisionForConditionalGeneration | ||
- forward |
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