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test.py
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test.py
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import argparse
import logging
import os
import random
import sys
import numpy as np
import torch
import torch.backends.cudnn as cudnn
import torch.nn as nn
from torch.utils.data import DataLoader
from tqdm import tqdm
from datasets.dataset_synapse import Synapse_dataset
from utils import test_single_volume
from networks.vit_seg_modeling import VisionTransformer as ViT_seg
from networks.vit_seg_modeling import CONFIGS as CONFIGS_ViT_seg
parser = argparse.ArgumentParser()
parser.add_argument('--volume_path', type=str,
default='../data/Synapse/test_vol_h5', help='root dir for validation volume data') # for acdc volume_path=root_dir
parser.add_argument('--dataset', type=str,
default='Synapse', help='experiment_name')
parser.add_argument('--num_classes', type=int,
default=4, help='output channel of network')
parser.add_argument('--list_dir', type=str,
default='./lists/lists_Synapse', help='list dir')
parser.add_argument('--max_iterations', type=int,default=20000, help='maximum epoch number to train')
parser.add_argument('--max_epochs', type=int, default=30, help='maximum epoch number to train')
parser.add_argument('--batch_size', type=int, default=24,
help='batch_size per gpu')
parser.add_argument('--img_size', type=int, default=224, help='input patch size of network input')
parser.add_argument('--is_savenii', action="store_true", help='whether to save results during inference')
parser.add_argument('--n_skip', type=int, default=3, help='using number of skip-connect, default is num')
parser.add_argument('--vit_name', type=str, default='ViT-B_16', help='select one vit model')
parser.add_argument('--test_save_dir', type=str, default='../predictions', help='saving prediction as nii!')
parser.add_argument('--deterministic', type=int, default=1, help='whether use deterministic training')
parser.add_argument('--base_lr', type=float, default=0.01, help='segmentation network learning rate')
parser.add_argument('--seed', type=int, default=1234, help='random seed')
parser.add_argument('--vit_patches_size', type=int, default=16, help='vit_patches_size, default is 16')
args = parser.parse_args()
def inference(args, model, test_save_path=None):
db_test = args.Dataset(base_dir=args.volume_path, split="test_vol", list_dir=args.list_dir)
testloader = DataLoader(db_test, batch_size=1, shuffle=False, num_workers=1)
logging.info("{} test iterations per epoch".format(len(testloader)))
model.eval()
metric_list = 0.0
for i_batch, sampled_batch in tqdm(enumerate(testloader)):
h, w = sampled_batch["image"].size()[2:]
image, label, case_name = sampled_batch["image"], sampled_batch["label"], sampled_batch['case_name'][0]
metric_i = test_single_volume(image, label, model, classes=args.num_classes, patch_size=[args.img_size, args.img_size],
test_save_path=test_save_path, case=case_name, z_spacing=args.z_spacing)
metric_list += np.array(metric_i)
logging.info('idx %d case %s mean_dice %f mean_hd95 %f' % (i_batch, case_name, np.mean(metric_i, axis=0)[0], np.mean(metric_i, axis=0)[1]))
metric_list = metric_list / len(db_test)
for i in range(1, args.num_classes):
logging.info('Mean class %d mean_dice %f mean_hd95 %f' % (i, metric_list[i-1][0], metric_list[i-1][1]))
performance = np.mean(metric_list, axis=0)[0]
mean_hd95 = np.mean(metric_list, axis=0)[1]
logging.info('Testing performance in best val model: mean_dice : %f mean_hd95 : %f' % (performance, mean_hd95))
return "Testing Finished!"
if __name__ == "__main__":
if not args.deterministic:
cudnn.benchmark = True
cudnn.deterministic = False
else:
cudnn.benchmark = False
cudnn.deterministic = True
random.seed(args.seed)
np.random.seed(args.seed)
torch.manual_seed(args.seed)
torch.cuda.manual_seed(args.seed)
dataset_config = {
'Synapse': {
'Dataset': Synapse_dataset,
'volume_path': '../data/Synapse/test_vol_h5',
'list_dir': './lists/lists_Synapse',
'num_classes': 9,
'z_spacing': 1,
},
}
dataset_name = args.dataset
args.num_classes = dataset_config[dataset_name]['num_classes']
args.volume_path = dataset_config[dataset_name]['volume_path']
args.Dataset = dataset_config[dataset_name]['Dataset']
args.list_dir = dataset_config[dataset_name]['list_dir']
args.z_spacing = dataset_config[dataset_name]['z_spacing']
args.is_pretrain = True
# name the same snapshot defined in train script!
args.exp = 'TU_' + dataset_name + str(args.img_size)
snapshot_path = "../model/{}/{}".format(args.exp, 'TU')
snapshot_path = snapshot_path + '_pretrain' if args.is_pretrain else snapshot_path
snapshot_path += '_' + args.vit_name
snapshot_path = snapshot_path + '_skip' + str(args.n_skip)
snapshot_path = snapshot_path + '_vitpatch' + str(args.vit_patches_size) if args.vit_patches_size!=16 else snapshot_path
snapshot_path = snapshot_path + '_epo' + str(args.max_epochs) if args.max_epochs != 30 else snapshot_path
if dataset_name == 'ACDC': # using max_epoch instead of iteration to control training duration
snapshot_path = snapshot_path + '_' + str(args.max_iterations)[0:2] + 'k' if args.max_iterations != 30000 else snapshot_path
snapshot_path = snapshot_path+'_bs'+str(args.batch_size)
snapshot_path = snapshot_path + '_lr' + str(args.base_lr) if args.base_lr != 0.01 else snapshot_path
snapshot_path = snapshot_path + '_'+str(args.img_size)
snapshot_path = snapshot_path + '_s'+str(args.seed) if args.seed!=1234 else snapshot_path
config_vit = CONFIGS_ViT_seg[args.vit_name]
config_vit.n_classes = args.num_classes
config_vit.n_skip = args.n_skip
config_vit.patches.size = (args.vit_patches_size, args.vit_patches_size)
if args.vit_name.find('R50') !=-1:
config_vit.patches.grid = (int(args.img_size/args.vit_patches_size), int(args.img_size/args.vit_patches_size))
net = ViT_seg(config_vit, img_size=args.img_size, num_classes=config_vit.n_classes).cuda()
snapshot = os.path.join(snapshot_path, 'best_model.pth')
if not os.path.exists(snapshot): snapshot = snapshot.replace('best_model', 'epoch_'+str(args.max_epochs-1))
net.load_state_dict(torch.load(snapshot))
snapshot_name = snapshot_path.split('/')[-1]
log_folder = './test_log/test_log_' + args.exp
os.makedirs(log_folder, exist_ok=True)
logging.basicConfig(filename=log_folder + '/'+snapshot_name+".txt", level=logging.INFO, format='[%(asctime)s.%(msecs)03d] %(message)s', datefmt='%H:%M:%S')
logging.getLogger().addHandler(logging.StreamHandler(sys.stdout))
logging.info(str(args))
logging.info(snapshot_name)
if args.is_savenii:
args.test_save_dir = '../predictions'
test_save_path = os.path.join(args.test_save_dir, args.exp, snapshot_name)
os.makedirs(test_save_path, exist_ok=True)
else:
test_save_path = None
inference(args, net, test_save_path)