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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"]
])