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main_lm.py
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main_lm.py
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import datetime
import os
import time
from yacs.config import CfgNode as CN
from scipy.io import savemat
import torch
import torch.utils.data
from torch import nn
import torchvision
import torchvision.models.detection
import torchvision.models.detection.mask_rcnn
from reference.group_by_aspect_ratio import GroupedBatchSampler, create_aspect_ratio_groups
from reference.engine import train_one_epoch, evaluate
from reference import utils
from dataset.lm import lm_with_synt, lm
from detection.keypoint_rcnn import keypointrcnn_hrnet
from libs.utils import get_logger, get_lm_img_idx
def main(args, cfg):
utils.init_distributed_mode(args)
logger = get_logger(cfg)
device = torch.device(cfg.DEVICE)
print("Loading data")
dataset_train_full = lm_with_synt(cfg)
dataset_test_full = lm(cfg)
n_lm = len(dataset_test_full)
n_lm_synt = len(dataset_train_full) - n_lm
train_idx, test_idx = get_lm_img_idx(cfg, n_lm, n_lm_synt)
dataset = torch.utils.data.Subset(dataset_train_full, train_idx)
dataset_test = torch.utils.data.Subset(dataset_test_full, test_idx)
print("Creating data loaders")
if args.distributed:
train_sampler = torch.utils.data.distributed.DistributedSampler(dataset)
test_sampler = torch.utils.data.distributed.DistributedSampler(dataset_test, shuffle=False)
else:
train_sampler = torch.utils.data.RandomSampler(dataset)
test_sampler = torch.utils.data.SequentialSampler(dataset_test)
if args.aspect_ratio_group_factor >= 0:
group_ids = create_aspect_ratio_groups(dataset, k=args.aspect_ratio_group_factor)
train_batch_sampler = GroupedBatchSampler(train_sampler, group_ids, cfg.BATCH_SIZE)
else:
train_batch_sampler = torch.utils.data.BatchSampler(
train_sampler, cfg.BATCH_SIZE, drop_last=True)
data_loader = torch.utils.data.DataLoader(
dataset, batch_sampler=train_batch_sampler, num_workers=cfg.WORKERS,
collate_fn=utils.collate_fn)
data_loader_test = torch.utils.data.DataLoader(
dataset_test, batch_size=cfg.TEST_BATCH_SIZE,
sampler=test_sampler, num_workers=cfg.WORKERS,
collate_fn=utils.collate_fn)
print("Creating model")
model = keypointrcnn_hrnet(cfg, resume=args.resume, min_size=480, max_size=640)
model.to(device)
model_without_ddp = model
if args.distributed:
model = torch.nn.parallel.DistributedDataParallel(model, device_ids=[args.gpu])
model_without_ddp = model.module
params = [p for p in model.parameters() if p.requires_grad]
optimizer = torch.optim.Adam(params, lr=cfg.LR)
lr_scheduler = torch.optim.lr_scheduler.MultiStepLR(optimizer, milestones=cfg.LR_STEPS, gamma=cfg.LR_DECAY)
if args.resume:
checkpoint = torch.load(os.path.join(cfg.OUTPUT_DIR,cfg.obj,'{}.pth'.format(cfg.log_name)), map_location='cpu')
model_without_ddp.load_state_dict(checkpoint['model'])
optimizer.load_state_dict(checkpoint['optimizer'])
lr_scheduler.load_state_dict(checkpoint['lr_scheduler'])
args.start_epoch = checkpoint['epoch'] + 1
if args.test_only:
evaluator = evaluate(model, data_loader_test, device=device, logger=logger)
boxes, pose_record1, pose_record2, pose_record3, pose_recordc, pts2d_record1, pts2d_record2, pts2d_record3, \
corrects1, corrects2, corrects3, correctsc \
= evaluator.get_accuracy(cfg, args.start_epoch-1, n_test=len(test_idx), testset_name='lm', n_min=4, thres=1, logger=logger)
savemat(os.path.join(cfg.OUTPUT_DIR, cfg.obj, '{}_result.mat'.format(cfg.log_name)),
{'boxes':boxes.cpu().numpy(), 'pose_record1': pose_record1.detach().cpu().numpy(),
'pose_record2': pose_record2.detach().cpu().numpy(), 'pose_record3': pose_record3.detach().cpu().numpy(),
'pose_recordc': pose_recordc.detach().cpu().numpy(), 'pts2d_record1': pts2d_record1.detach().cpu().numpy(),
'pts2d_record2': pts2d_record2.detach().cpu().numpy(), 'pts2d_record3': pts2d_record3.detach().cpu().numpy(),
'corrects1':corrects1.detach().cpu().numpy(), 'corrects2':corrects2.detach().cpu().numpy(),
'corrects3':corrects3.detach().cpu().numpy(), 'correctsc':correctsc.detach().cpu().numpy(), 'test_idx': test_idx})
return
print("Start training")
start_time = time.time()
for epoch in range(args.start_epoch, cfg.END_EPOCH):
if args.distributed:
train_sampler.set_epoch(epoch)
train_one_epoch(model, optimizer, data_loader, device, epoch, cfg.PRINT_FREQ, cfg.obj, logger)
lr_scheduler.step()
if cfg.OUTPUT_DIR:
utils.save_on_master({
'model': model_without_ddp.state_dict(),
'optimizer': optimizer.state_dict(),
'lr_scheduler': lr_scheduler.state_dict(),
'args': args,
'cfg': cfg,
'epoch': epoch},
os.path.join(cfg.OUTPUT_DIR, cfg.obj, '{}.pth'.format(cfg.log_name)))
if epoch==cfg.END_EPOCH-1:
evaluator = evaluate(model, data_loader_test, device=device, logger=logger)
boxes, pose_record1, pose_record2, pose_record3, pose_recordc, pts2d_record1, pts2d_record2, pts2d_record3, \
corrects1, corrects2, corrects3, correctsc \
= evaluator.get_accuracy(cfg, epoch, n_test=len(test_idx), testset_name='lm', n_min=4, thres=1, logger=logger)
savemat(os.path.join(cfg.OUTPUT_DIR, cfg.obj, '{}_result.mat'.format(cfg.log_name)),
{'boxes':boxes.cpu().numpy(), 'pose_record1': pose_record1.detach().cpu().numpy(),
'pose_record2': pose_record2.detach().cpu().numpy(), 'pose_record3': pose_record3.detach().cpu().numpy(),
'pose_recordc': pose_recordc.detach().cpu().numpy(), 'pts2d_record1': pts2d_record1.detach().cpu().numpy(),
'pts2d_record2': pts2d_record2.detach().cpu().numpy(), 'pts2d_record3': pts2d_record3.detach().cpu().numpy(),
'corrects1':corrects1.detach().cpu().numpy(), 'corrects2':corrects2.detach().cpu().numpy(),
'corrects3':corrects3.detach().cpu().numpy(), 'correctsc':correctsc.detach().cpu().numpy(), 'test_idx': test_idx})
total_time = time.time() - start_time
total_time_str = str(datetime.timedelta(seconds=int(total_time)))
print('Training time {}'.format(total_time_str))
if __name__ == "__main__":
import argparse
parser = argparse.ArgumentParser(
description=__doc__)
parser.add_argument('--resume', dest="resume",action="store_true")
parser.add_argument('--start_epoch', default=0, type=int, help='start epoch')
parser.add_argument('--aspect-ratio-group-factor', default=-1, type=int)
parser.add_argument("--test-only",dest="test_only",help="Only test the model",action="store_true",)
parser.add_argument('--world-size', default=1, type=int, help='number of distributed processes')
parser.add_argument('--dist-url', default='env://', help='url used to set up distributed training')
parser.add_argument('--cfg', help='experiment configure file name', required=True, type=str)
parser.add_argument('--obj', required=True, type=str)
parser.add_argument('--sigma1', default=1.5, required=False, type=float)
parser.add_argument('--sigma2', default=3, required=False, type=float)
parser.add_argument('--sigma3', default=8, required=False, type=float)
parser.add_argument('--log_name', required=True, type=str)
args = parser.parse_args()
cfg = CN(new_allowed=True)
cfg.defrost()
cfg.merge_from_file(args.cfg)
cfg.obj = args.obj
cfg.log_name = args.log_name
cfg.sigma1 = args.sigma1
cfg.sigma2 = args.sigma2
cfg.sigma3 = args.sigma3
cfg.freeze()
main(args, cfg)