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‎README.md‎

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@@ -7,6 +7,25 @@ This repository contains the official pytorch implementation of ”*DeepMultiCap
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![Teaser Image](assets/teaser.jpg)
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### News
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* **[2021/9/26]** We added more scans to [MultiHuman dataset](https://github.com/y-zheng18/MultiHuman-Dataset). You can use MultiHuman to train/fine-tune our model or your own models!
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* **[2021/9/18]** [MultiHuman dataset](https://github.com/y-zheng18/MultiHuman-Dataset) for evaluation purpose is available!
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## Requirements
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- [PyTorch](https://pytorch.org/)
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- torchvision
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- trimesh
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- numpy
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- matplotlib
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- PIL
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- skimage
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- tqdm
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- cv2
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- json
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- taichi
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- taichi_three
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- taichi_glsl
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## Citation
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```

‎apps/train_dmc.py‎

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import sys
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import os
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sys.path.insert(0, os.path.abspath(os.path.join(os.path.dirname(__file__), '..')))
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ROOT_PATH = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
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import threading
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import time
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import json
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import numpy as np
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import cv2
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import random
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import torch
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from torch.utils.data import DataLoader
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from torch.nn import DataParallel
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from tqdm import tqdm
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import torch.nn.functional as F
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from torch.utils.tensorboard import SummaryWriter
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import matplotlib.pyplot as plt
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from multiprocessing import Process, Manager, Lock
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from lib.options import parse_config
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from lib.mesh_util import *
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from lib.sample_util import *
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from lib.train_util import *
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from lib.data import *
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from lib.model import *
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# get options
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opt = parse_config()
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def train(opt):
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np.random.seed(int(time.time()))
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random.seed(int(time.time()))
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torch.manual_seed(int(time.time()))
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# set cuda
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log = SummaryWriter(opt.log_path)
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total_iteration = 0
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cuda = torch.device('cuda:%s' % opt.gpu_ids[0])
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netG = DMCNet(opt, projection_mode='perspective').to(cuda)
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netN = NormalNet().to(cuda)
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print('Using Network: ', netG.name, netN.name)
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gpu_ids = [int(i) for i in opt.gpu_ids.split(',')]
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netG = DataParallel(netG, device_ids=gpu_ids)
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netN = DataParallel(netN, device_ids=gpu_ids)
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optimizerG = torch.optim.Adam(netG.parameters(), lr=opt.learning_rate)
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lr = opt.learning_rate
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def set_train():
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netG.train()
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if opt.load_netG_checkpoint_path is not None:
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print('loading for net G ...', opt.load_netG_checkpoint_path)
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netG.load_state_dict(torch.load(opt.load_netG_checkpoint_path, map_location=cuda), strict=False)
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if opt.load_netN_checkpoint_path is not None:
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print('loading for net N ...', opt.load_netN_checkpoint_path)
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netN.load_state_dict(torch.load(opt.load_netN_checkpoint_path, map_location=cuda), strict=False)
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print("loaded finished!")
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yaw_list = sorted(np.random.choice(range(360), 30))
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print(yaw_list)
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train_dataset = DMCDataset(opt, cache_data=Manager().dict(), cache_data_lock=Lock(), phase='train', yaw_list=yaw_list)
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test_dataset = DMCDataset(opt, cache_data=Manager().dict(), cache_data_lock=Lock(), phase='test', yaw_list=yaw_list)
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projection_mode = train_dataset.projection_mode
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print('projection_mode:', projection_mode)
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# create data loader
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train_data_loader = DataLoader(train_dataset,
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batch_size=opt.batch_size, shuffle=not opt.serial_batches,
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num_workers=opt.num_threads, pin_memory=opt.pin_memory)
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print('train data size: ', len(train_data_loader))
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# NOTE: batch size should be 1 and use all the points for evaluation
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test_data_loader = DataLoader(test_dataset,
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batch_size=1, shuffle=False,
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num_workers=opt.num_threads, pin_memory=opt.pin_memory)
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print('test data size: ', len(test_data_loader))
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os.makedirs(opt.checkpoints_path, exist_ok=True)
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os.makedirs(opt.results_path, exist_ok=True)
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os.makedirs('%s/%s' % (opt.checkpoints_path, opt.name), exist_ok=True)
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os.makedirs('%s/%s' % (opt.results_path, opt.name), exist_ok=True)
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opt_log = os.path.join(opt.results_path, opt.name, 'opt.txt')
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with open(opt_log, 'w') as outfile:
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outfile.write(json.dumps(vars(opt), indent=2))
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# training
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start_epoch = 0
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print("start training......")
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for epoch in range(start_epoch, opt.num_epoch):
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epoch_start_time = time.time()
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set_train()
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iter_data_time = time.time()
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np.random.seed(int(time.time()))
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random.seed(int(time.time()))
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torch.manual_seed(int(time.time()))
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train_bar = tqdm(enumerate(train_data_loader))
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for train_idx, train_data in train_bar:
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total_iteration += 1
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iter_start_time = time.time()
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# retrieve the data
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for key in train_data:
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if torch.is_tensor(train_data[key]):
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train_data[key] = train_data[key].to(device=cuda)
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# predict normal
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with torch.no_grad():
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net_normal = netN.forward(train_data['image'])
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net_normal = net_normal * train_data['mask']
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train_data['normal'] = net_normal.detach()
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res, error = netG.forward(train_data)
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optimizerG.zero_grad()
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if len(gpu_ids) > 1:
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error = error.sum()
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error.backward()
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optimizerG.step()
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iter_net_time = time.time()
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eta = ((iter_net_time - epoch_start_time) / (train_idx + 1)) * len(train_data_loader) - (
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iter_net_time - epoch_start_time)
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log.add_scalar('loss', error.item() / len(gpu_ids), total_iteration)
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if train_idx % opt.freq_plot == 0:
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descrip = 'Name: {0} | Epoch: {1} | {2}/{3} | Err: {4:.06f} | LR: {5:.06f} | Sigma: {6:.02f} | dataT: {7:.05f} | netT: {8:.05f} | ETA: {9:02d}:{10:02d}'.format(
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opt.name, epoch, train_idx, len(train_data_loader), error.item() / len(gpu_ids), lr, opt.sigma,
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iter_start_time - iter_data_time,
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iter_net_time - iter_start_time, int(eta // 60),
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int(eta - 60 * (eta // 60)))
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train_bar.set_description(descrip)
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if train_idx % opt.freq_save == 0:
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torch.save(netG.state_dict(), '%s/%s/netG_latest' % (opt.checkpoints_path, opt.name))
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torch.save(netG.state_dict(), '%s/%s/netG_epoch_%d' % (opt.checkpoints_path, opt.name, epoch))
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torch.save(optimizerG.state_dict(), '%s/%s/optim_latest' % (opt.checkpoints_path, opt.name))
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torch.save(optimizerG.state_dict(), '%s/%s/optim_epoch_%d' % (opt.checkpoints_path, opt.name, epoch))
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if train_idx % opt.freq_save_ply == 0:
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save_path = '%s/%s/pred.ply' % (opt.results_path, opt.name)
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r = res[0].cpu()
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points = train_data['samples'][0].transpose(0, 1).cpu()
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save_samples_truncted_prob(save_path, points.detach().numpy(), r.detach().numpy())
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iter_data_time = time.time()
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# update learning rate
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lr = adjust_learning_rate(optimizerG, epoch, lr, opt.schedule, opt.gamma)
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train_dataset.clear_cache()
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yaw_list = sorted(np.random.choice(range(360), 30))
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train_dataset.yaw_list = yaw_list
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log.close()
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if __name__ == '__main__':
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train(opt)

‎apps/train_normal_net.py‎

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import sys
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import os
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sys.path.insert(0, os.path.abspath(os.path.join(os.path.dirname(__file__), '..')))
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ROOT_PATH = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
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import threading
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import time
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import json
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import numpy as np
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import cv2
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import random
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import torch
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from torch.utils.data import DataLoader
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from torch.nn import DataParallel
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from tqdm import tqdm
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from torch.utils.tensorboard import SummaryWriter
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import torch.nn.functional as F
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import matplotlib.pyplot as plt
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from lib.mesh_util import *
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from lib.sample_util import *
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from lib.train_util import *
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from lib.data import *
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from lib.model import *
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from lib.geometry import index
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from lib.loss_util import VGGPerceptualLoss
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from lib.options import parse_config
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# get options
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opt = parse_config()
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log = SummaryWriter(opt.log_path)
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def train(opt):
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gpu_ids = [int(i) for i in opt.gpu_ids.split(',')]
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cuda = torch.device("cuda:%d" % gpu_ids[0])
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netN = NormalNet()
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dataset = NormalDataset(opt)
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train_data_loader = DataLoader(dataset, batch_size=opt.batch_size, shuffle=not opt.serial_batches,
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num_workers=opt.num_threads, pin_memory=opt.pin_memory)
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netN.to(cuda)
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netN = DataParallel(netN, device_ids=gpu_ids)
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if opt.load_netN_checkpoint_path is not None:
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netN.load_state_dict(torch.load(opt.load_netN_checkpoint_path), strict=False)
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lr = opt.learning_rate
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optimizerN = torch.optim.Adam(netN.parameters(), lr=lr)
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os.makedirs(opt.checkpoints_path, exist_ok=True)
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os.makedirs(opt.results_path, exist_ok=True)
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os.makedirs('%s/%s' % (opt.checkpoints_path, opt.name), exist_ok=True)
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os.makedirs('%s/%s' % (opt.results_path, opt.name), exist_ok=True)
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EPOCH = 100
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total_iteration = 0
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perceptual_loss = VGGPerceptualLoss().to(cuda)
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for epoch in range(EPOCH):
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epoch_start_time = time.time()
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iter_data_time = time.time()
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train_bar = tqdm(enumerate(train_data_loader))
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for train_idx, train_data in train_bar:
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total_iteration += 1
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iter_start_time = time.time()
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# retrieve the data
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image_tensor = train_data['img'].to(device=cuda)
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normal_tensor = train_data['normal'].to(device=cuda)
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mask_tensor = train_data['mask'].to(device=cuda)
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res = netN.forward(image_tensor)
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res = res * mask_tensor
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error = F.l1_loss(normal_tensor, res)
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perceptual_error = perceptual_loss(normal_tensor.squeeze(1), res.squeeze(1))
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error = 5*error + perceptual_error
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optimizerN.zero_grad()
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error.backward()
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optimizerN.step()
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iter_net_time = time.time()
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eta = ((iter_net_time - epoch_start_time) / (train_idx + 1)) * len(train_data_loader) - (
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iter_net_time - epoch_start_time)
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log.add_scalar('loss', error.item(), total_iteration)
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if train_idx % opt.freq_plot == 0:
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descrip = 'Name: {0} | Epoch: {1} | {2}/{3} | Err: {4:.06f} | LR: {5:.06f} | Sigma: {6:.02f} | dataT: {7:.05f} | netT: {8:.05f} | ETA: {9:02d}:{10:02d}'.format(
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opt.name, epoch, train_idx, len(train_data_loader), error.item(), lr, opt.sigma,
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iter_start_time - iter_data_time,
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iter_net_time - iter_start_time, int(eta // 60),
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int(eta - 60 * (eta // 60)))
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train_bar.set_description(descrip)
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if train_idx % opt.freq_save == 0 and train_idx != 0:
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torch.save(netN.state_dict(), '%s/%s/netN_latest' % (opt.checkpoints_path, opt.name))
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torch.save(netN.state_dict(), '%s/%s/netN_epoch_%d' % (opt.checkpoints_path, opt.name, epoch))
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if train_idx % opt.freq_normal_show == 0:
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show_img = (image_tensor[0][0].cpu().detach().permute(1, 2, 0) + 0.5).numpy()
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net_normal = (res[0][0].cpu().detach().permute(1, 2, 0) + 0.5).numpy()
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gt_normal = (normal_tensor[0][0].cpu().detach().permute(1, 2, 0) + 0.5).numpy()
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plt.subplot(131)
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plt.imshow(show_img)
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plt.subplot(132)
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plt.imshow(net_normal)
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plt.subplot(133)
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plt.imshow(gt_normal)
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plt.savefig('%s/%s/epoch%03d_%05d.jpg' % (opt.results_path, opt.name, epoch, train_idx))
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plt.close('all')
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iter_data_time = time.time()
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if __name__ == "__main__":
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train(opt)

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