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create_attention.py
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create_attention.py
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import os
import argparse
import numpy as np
import nibabel as nib
from utils.utils import ORGAN_NAME_OVERLAP,TEMPLATE,ORGAN_NAME_LOW,ORGAN_NAME_OVERLAP
from utils.utils import entropy_post_process,std_post_process,get_key
from tqdm import tqdm
import shutil
import csv
def create_attention(args):
organ_target = TEMPLATE['target']
name_id = []
attention_value = []
sorted_name_id = []
for item in args.dataset_list:
with open(os.path.join(args.data_txt_path,item + '.txt'), "r") as f:
all_lines = f.readlines()
for line in tqdm(range(len(all_lines))):
dataset_name = all_lines[line].strip().split()[0].split('/')[0]
if int(dataset_name[0:2]) == 10:
template_key = get_key(all_lines[line].strip().split()[0].split('.')[0])
else:
template_key = get_key(dataset_name)
organ_dataset = TEMPLATE[template_key]
organ_index = [organ for organ in organ_target if organ not in organ_dataset]
case_name = all_lines[line].strip().split()[0].split('.')[0].split('/')[-1]
name_id.append(case_name)
ct_path = os.path.join(args.data_root_path,dataset_name,case_name,'ct.nii.gz')
case_path = os.path.join(args.data_root_path,dataset_name,case_name)
avg_path = os.path.join(case_path,'average')
avg_seg_path = os.path.join(avg_path,'segmentations')
if not os.path.isdir(avg_seg_path):
os.makedirs(avg_seg_path)
if len(args.model_list) == 1:
file_copy_from_path = os.path.join(case_path,'backbones',args.model_list[0])
pseudo_label_copy_from = os.path.join(file_copy_from_path,'pseudo_label.nii.gz')
shutil.copy(pseudo_label_copy_from,os.path.join(avg_path,'pseudo_label.nii.gz'))
organ_copy_from_list = os.listdir(os.path.join(file_copy_from_path,'segmentations'))
for organ_copy in organ_copy_from_list:
organ_copy_from_path = os.path.join(file_copy_from_path,'segmentations',organ_copy)
shutil.copy(organ_copy_from_path,os.path.join(avg_seg_path,organ_copy))
print('finish file copy for %s'%(case_name))
ct_load = nib.load(ct_path)
ct_data = ct_load.get_fdata()
W,H,D = ct_data.shape
affine_temp = ct_load.affine
print('start create attention for %s'%(case_name))
attention_overall = np.zeros((W,H,D))
for idx in tqdm(range(len(organ_index))):
organ_name = ORGAN_NAME_LOW[organ_index[idx]-1]
consistency_map = np.zeros((len(args.model_list),W,H,D))
if len(args.model_list) == 1:
consistency_map = np.zeros((W,H,D))
entropy_map = np.zeros((W,H,D))
overlap_initial = np.zeros((W,H,D))
aveg_seg_data = nib.load(os.path.join(avg_path,'segmentations',organ_name+'.nii.gz')).get_fdata()
for model_idx in range(len(args.model_list)):
organ_soft_pred_path = os.path.join(case_path,'backbones',args.model_list[model_idx],'soft_pred')
organ_entropy_path = os.path.join(case_path,'backbones',args.model_list[model_idx],'entropy')
if len(args.model_list) != 1:
organ_soft_pred = nib.load(os.path.join(organ_soft_pred_path,organ_name+'.nii.gz')).get_fdata()
consistency_map[model_idx] = organ_soft_pred/255
organ_entropy = nib.load(os.path.join(organ_entropy_path,organ_name+'.nii.gz')).get_fdata()
entropy_map += organ_entropy/255
if len(args.model_list) != 1:
std_raw = np.std(consistency_map,axis=0)
std_float,std_binary = std_post_process(std_raw)
else:
std_float = consistency_map
std_binary = consistency_map
entropy_raw = entropy_map/len(args.model_list)
entropy_float,entropy_binary = entropy_post_process(entropy_raw)
if args.save_consistency and len(args.model_list) != 1:
consistency_save_path = os.path.join(avg_path,'inconsistency')
if not os.path.isdir(consistency_save_path):
os.makedirs(consistency_save_path)
std_save = nib.Nifti1Image((std_float*255).astype(np.uint8),affine_temp)
nib.save(std_save,os.path.join(consistency_save_path,organ_name+'.nii.gz'))
print('%s inconsistency saved'%(organ_name))
if args.save_entropy:
entropy_save_path = os.path.join(avg_path,'uncertainty')
if not os.path.isdir(entropy_save_path):
os.makedirs(entropy_save_path)
entropy_save = nib.Nifti1Image((entropy_float*255).astype(np.uint8),affine_temp)
nib.save(entropy_save,os.path.join(entropy_save_path,organ_name+'.nii.gz'))
print('%s uncertainty saved'%(organ_name))
for surrounding_organ in ORGAN_NAME_OVERLAP:
if surrounding_organ != organ_name:
surrounding_organ_path = os.path.join(avg_path,'segmentations',surrounding_organ+'.nii.gz')
surrounding_organ_data = nib.load(surrounding_organ_path).get_fdata()
target_surrounding_sum = aveg_seg_data+surrounding_organ_data
overlap = target_surrounding_sum >1
overlap = overlap.astype(np.uint8)
overlap_initial += overlap
overlap_total = overlap_initial > 0
overlap_total = overlap_total.astype(np.uint8)
if args.save_overlap:
overlap_save_path = os.path.join(avg_path,'overlap')
if not os.path.isdir(overlap_save_path):
os.makedirs(overlap_save_path)
overlap_save = nib.Nifti1Image(overlap_total,affine_temp)
nib.save(overlap_save,os.path.join(overlap_save_path,organ_name+'.nii.gz'))
print('%s overlap saved'%(organ_name))
attention = std_binary + entropy_binary + overlap_total
attention_binary = attention > 0
attention_binary = attention_binary.astype(np.uint8)
attention_heatmap = std_float + entropy_float + overlap_total
attention_heatmap = attention_heatmap/np.max(attention_heatmap)
attention_save_path = os.path.join(avg_path,'attention')
if not os.path.isdir(attention_save_path):
os.makedirs(attention_save_path)
attention_save = nib.Nifti1Image((attention_heatmap*255).astype(np.uint8),affine_temp)
nib.save(attention_save,os.path.join(attention_save_path,organ_name+'.nii.gz'))
print('%s attention saved'%(organ_name))
attention_overall += attention_binary
attention_value.append(np.sum(attention_overall))
attention_value = np.array(attention_value)
attention_value_sort = np.argsort(-attention_value)
for i in attention_value_sort:
sorted_name_id.append(name_id[i])
print('case sorted complete')
return sorted_name_id
def priority_list(sorted_name_id,args):
for item in args.dataset_list:
with open(os.path.join(args.data_txt_path,item + '.txt'), "r") as f:
all_lines = f.readlines()
dataset_name = all_lines[0].strip().split()[0].split('/')[0]
csv_save_path = os.path.join(args.data_root_path,dataset_name)
if os.path.isfile(os.path.join(csv_save_path,args.priority_name+'.csv')):
os.remove(os.path.join(csv_save_path,args.priority_name+'.csv'))
for case_name in sorted_name_id:
row = [case_name]
organ_attention = []
organ = []
non_zero_attention = []
non_zero_organ = []
sorted_organ = []
attention_path = os.path.join(csv_save_path,case_name,'average','attention')
organ_target = TEMPLATE['target']
if int(dataset_name[0:2]) == 10:
template_key = get_key(all_lines[0].strip().split()[0].split('.')[0])
else:
template_key = get_key(dataset_name)
organ_dataset = TEMPLATE[template_key]
organ_index = [i for i in organ_target if i not in organ_dataset]
for idx in organ_index:
organ_name = ORGAN_NAME_LOW[idx-1]
organ_attention_data = nib.load(os.path.join(attention_path,organ_name+'.nii.gz')).get_fdata()
organ_attention_value = np.sum(organ_attention_data)
organ_attention.append(organ_attention_value)
organ.append(organ_name)
for att,org in zip(organ_attention,organ):
if att != 0:
non_zero_attention.append(att)
non_zero_organ.append(org)
non_zero_attention = np.array(non_zero_attention)
non_zero_attention_sorted = np.argsort(-non_zero_attention)
for attention_idx in non_zero_attention_sorted:
sorted_organ.append(non_zero_organ[attention_idx])
for organ_csv in sorted_organ:
row.append(organ_csv)
print(row)
with open(os.path.join(csv_save_path,args.priority_name+'.csv'),'a',newline='') as f:
writer = csv.writer(f,delimiter=',', quotechar='"')
writer.writerow(row)
def main():
parser = argparse.ArgumentParser()
parser.add_argument('--data_root_path', default='/ccvl/net/ccvl15/chongyu/LargePseudoDataset/', help='atlas 8K data root path')
parser.add_argument('--dataset_list', nargs='+', default=['PAOT_123457891213', 'PAOT_10_inner'])
parser.add_argument('--model_list',nargs='+', default=['swinunetr', 'unet','nnunet'])
parser.add_argument('--data_txt_path', default='./dataset/dataset_list/', help='data txt path')
parser.add_argument('--save_consistency', action="store_true", default=False, help='whether save consistency')
parser.add_argument('--save_entropy', action="store_true", default=False, help='whether save binary entropy')
parser.add_argument('--save_overlap', action="store_true", default=False, help='whether save overlap')
parser.add_argument('--priority', action="store_true", default=False, help='whether save priority list')
parser.add_argument('--priority_name', default='priority', help='priority csv name')
args = parser.parse_args()
sorted_name_id = create_attention(args)
if args.priority:
priority_list(sorted_name_id,args)
if __name__ == "__main__":
main()