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import time
from options.test_options import TestOptions
from data.data_loader_test import CreateDataLoader
from models.networks import ResUnetGenerator, load_checkpoint
from models.afwm import AFWM
import torch.nn as nn
import os
import numpy as np
import torch
import cv2
import torch.nn.functional as F
opt = TestOptions().parse()
start_epoch, epoch_iter = 1, 0
# list human-cloth pairs
with open('demo.txt', 'w') as file:
lines = [f'3.png {cloth_img_fn}\n' for cloth_img_fn in os.listdir('dataset/test_clothes')]
file.writelines(lines)
data_loader = CreateDataLoader(opt)
dataset = data_loader.load_data()
dataset_size = len(data_loader)
print(dataset_size)
warp_model = AFWM(opt, 3)
print(warp_model)
warp_model.eval()
warp_model.cuda()
load_checkpoint(warp_model, opt.warp_checkpoint)
gen_model = ResUnetGenerator(7, 4, 5, ngf=64, norm_layer=nn.BatchNorm2d)
print(gen_model)
gen_model.eval()
gen_model.cuda()
load_checkpoint(gen_model, opt.gen_checkpoint)
total_steps = (start_epoch-1) * dataset_size + epoch_iter
step = 0
step_per_batch = dataset_size / opt.batchSize
for epoch in range(1,2):
for i, data in enumerate(dataset, start=epoch_iter):
iter_start_time = time.time()
total_steps += opt.batchSize
epoch_iter += opt.batchSize
real_image = data['image']
clothes = data['clothes']
##edge is extracted from the clothes image with the built-in function in python
edge = data['edge']
edge = torch.FloatTensor((edge.detach().numpy() > 0.5).astype(np.int))
clothes = clothes * edge
flow_out = warp_model(real_image.cuda(), clothes.cuda())
warped_cloth, last_flow, = flow_out
warped_edge = F.grid_sample(edge.cuda(), last_flow.permute(0, 2, 3, 1),
mode='bilinear', padding_mode='zeros')
gen_inputs = torch.cat([real_image.cuda(), warped_cloth, warped_edge], 1)
gen_outputs = gen_model(gen_inputs)
p_rendered, m_composite = torch.split(gen_outputs, [3, 1], 1)
p_rendered = torch.tanh(p_rendered)
m_composite = torch.sigmoid(m_composite)
m_composite = m_composite * warped_edge
p_tryon = warped_cloth * m_composite + p_rendered * (1 - m_composite)
path = 'results/' + opt.name
os.makedirs(path, exist_ok=True)
sub_path = path + '/PFAFN'
os.makedirs(sub_path,exist_ok=True)
if step % 1 == 0:
a = real_image.float().cuda()
b= clothes.cuda()
c = p_tryon
combine = torch.cat([a[0],b[0],c[0]], 2).squeeze()
cv_img=(combine.permute(1,2,0).detach().cpu().numpy()+1)/2
rgb=(cv_img*255).astype(np.uint8)
bgr=cv2.cvtColor(rgb,cv2.COLOR_RGB2BGR)
cv2.imwrite(sub_path+'/'+str(step)+'.jpg',bgr)
step += 1
if epoch_iter >= dataset_size:
break
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