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| import ruamel_yaml as yaml | |
| import numpy as np | |
| import random | |
| import torch | |
| import torchvision.transforms as transforms | |
| from PIL import Image | |
| from models.tag2text import tag2text_caption | |
| import gradio as gr | |
| device = torch.device('cuda' if torch.cuda.is_available() else 'cpu') | |
| image_size = 384 | |
| normalize = transforms.Normalize(mean=[0.485, 0.456, 0.406], | |
| std=[0.229, 0.224, 0.225]) | |
| transform = transforms.Compose([transforms.Resize((image_size, image_size)),transforms.ToTensor(),normalize]) | |
| #######Swin Version | |
| pretrained = '/home/notebook/code/personal/S9049611/BLIP/output/blip_tagtotext_14m/blip_tagtotext_encoderdiv_tar_random_swin/caption_coco_finetune_tagparse_tagfinetune_threshold075_bceloss_tagsingle_5e6_epoch19_negative_1_05_pos_1_10/checkpoint_05.pth' | |
| config_file = 'configs/tag2text_caption.yaml' | |
| config = yaml.load(open(config_file, 'r'), Loader=yaml.Loader) | |
| model = tag2text_caption(pretrained=pretrained, image_size=image_size, vit=config['vit'], | |
| vit_grad_ckpt=config['vit_grad_ckpt'], vit_ckpt_layer=config['vit_ckpt_layer'], | |
| prompt=config['prompt'],config=config,threshold = 0.75 ) | |
| model.eval() | |
| model = model.to(device) | |
| def inference(raw_image, model_n, input_tag, strategy): | |
| if model_n == 'Image Captioning': | |
| raw_image = raw_image.resize((image_size, image_size)) | |
| image = transform(raw_image).unsqueeze(0).to(device) | |
| model.threshold = 0.7 | |
| if input_tag == '' or input_tag == 'none' or input_tag == 'None': | |
| input_tag_list = None | |
| else: | |
| input_tag_list = [] | |
| input_tag_list.append(input_tag.replace(',',' | ')) | |
| with torch.no_grad(): | |
| if strategy == "Beam search": | |
| caption, tag_predict = model.generate(image,tag_input = input_tag_list, return_tag_predict = True) | |
| if input_tag_list == None: | |
| tag_1 = tag_predict | |
| tag_2 = ['none'] | |
| else: | |
| _, tag_1 = model.generate(image,tag_input = None, return_tag_predict = True) | |
| tag_2 = tag_predict | |
| else: | |
| caption,tag_predict = model.generate(image, tag_input = input_tag_list,sample=True, top_p=0.9, max_length=20, min_length=5, return_tag_predict = True) | |
| if input_tag_list == None: | |
| tag_1 = tag_predict | |
| tag_2 = ['none'] | |
| else: | |
| _, tag_1 = model.generate(image,tag_input = None, return_tag_predict = True) | |
| tag_2 = tag_predict | |
| return tag_1[0],tag_2[0],caption[0] | |
| else: | |
| image_vq = transform_vq(raw_image).unsqueeze(0).to(device) | |
| with torch.no_grad(): | |
| answer = model_vq(image_vq, question, train=False, inference='generate') | |
| return 'answer: '+answer[0] | |
| inputs = [gr.inputs.Image(type='pil'),gr.inputs.Radio(choices=['Image Captioning'], type="value", default="Image Captioning", label="Task"),gr.inputs.Textbox(lines=2, label="User Identified Tags (Optional, Enter with commas)"),gr.inputs.Radio(choices=['Beam search','Nucleus sampling'], type="value", default="Beam search", label="Caption Decoding Strategy")] | |
| outputs = [gr.outputs.Textbox(label="Model Identified Tags"),gr.outputs.Textbox(label="User Identified Tags"), gr.outputs.Textbox(label="Image Caption") ] | |
| title = "Tag2Text" | |
| description = "Gradio demo for Tag2Text: Guiding Language-Image Model via Image Tagging (Fudan University, OPPO Research Institute, International Digital Economy Academy)." | |
| article = "<p style='text-align: center'><a href='' target='_blank'>Tag2Text: Guiding Language-Image Model via Image Tagging</a> | <a href='' target='_blank'>Github Repo</a></p>" | |
| demo = gr.Interface(inference, inputs, outputs, title=title, description=description, article=article, examples=[['images/COCO_val2014_000000551338.jpg',"Image Captioning","none","Beam search"], | |
| ['images/COCO_val2014_000000551338.jpg',"Image Captioning","fence, sky","Beam search"], | |
| # ['images/COCO_val2014_000000551338.jpg',"Image Captioning","grass","Beam search"], | |
| ['images/COCO_val2014_000000483108.jpg',"Image Captioning","none","Beam search"], | |
| ['images/COCO_val2014_000000483108.jpg',"Image Captioning","electric cable","Beam search"], | |
| # ['images/COCO_val2014_000000483108.jpg',"Image Captioning","sky, train","Beam search"], | |
| ['images/COCO_val2014_000000483108.jpg',"Image Captioning","track, train","Beam search"] , | |
| ['images/COCO_val2014_000000483108.jpg',"Image Captioning","grass","Beam search"] | |
| ]) | |