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1# pip install git+https://github.com/LLaVA-VL/LLaVA-NeXT.git
2from llava.model.builder import load_pretrained_model
3from llava.mm_utils import get_model_name_from_path, process_images, tokenizer_image_token
4from llava.constants import IMAGE_TOKEN_INDEX, DEFAULT_IMAGE_TOKEN, DEFAULT_IM_START_TOKEN, DEFAULT_IM_END_TOKEN, IGNORE_INDEX
5from llava.conversation import conv_templates, SeparatorStyle
6
7from PIL import Image
8import requests
9import copy
10import torch
11
12import sys
13import warnings
14
15warnings.filterwarnings("ignore")
16pretrained = "lmms-lab/llava-onevision-qwen2-7b-ov"
17model_name = "llava_qwen"
18device = "cuda"
19device_map = "auto"
20tokenizer, model, image_processor, max_length = load_pretrained_model(pretrained, None, model_name, device_map=device_map) # Add any other thing you want to pass in llava_model_args
21
22model.eval()
23
24url = "https://github.com/haotian-liu/LLaVA/blob/1a91fc274d7c35a9b50b3cb29c4247ae5837ce39/images/llava_v1_5_radar.jpg?raw=true"
25image = Image.open(requests.get(url, stream=True).raw)
26image_tensor = process_images([image], image_processor, model.config)
27image_tensor = [_image.to(dtype=torch.float16, device=device) for _image in image_tensor]
28
29conv_template = "qwen_1_5" # Make sure you use correct chat template for different models
30question = DEFAULT_IMAGE_TOKEN + "\nWhat is shown in this image?"
31conv = copy.deepcopy(conv_templates[conv_template])
32conv.append_message(conv.roles[0], question)
33conv.append_message(conv.roles[1], None)
34prompt_question = conv.get_prompt()
35
36input_ids = tokenizer_image_token(prompt_question, tokenizer, IMAGE_TOKEN_INDEX, return_tensors="pt").unsqueeze(0).to(device)
37image_sizes = [image.size]
38
39
40cont = model.generate(
41 input_ids,
42 images=image_tensor,
43 image_sizes=image_sizes,
44 do_sample=False,
45 temperature=0,
46 max_new_tokens=4096,
47)
48text_outputs = tokenizer.batch_decode(cont, skip_special_tokens=True)
49print(text_outputs)@article{li2024llavaonevision,
title={LLaVA-OneVision},
}