#-*-coding:utf-8-*-

import?numpy?as?np
import?os
import?math


def?padding_patch（nodule_arr?label_arr?cube_size_xy=64?cube_size_z=32）:
????nodule_64_arr?=?np.ones（（cube_size_z?cube_size_xy?cube_size_xy）?dtype=np.float32）
????nodule_64_arr?*=?-1000.0
????label_64_arr?=?np.zeros（（cube_size_z?cube_size_xy?cube_size_xy）?dtype=np.float32）
????#nodule_arr?=?normalization（nodule_arr）

????origin_shape?=?nodule_arr.shape
????padding_z?=?（cube_size_z?-?origin_shape[0]）/2
????padding_y?=?（cube_size_xy?-?origin_shape[1]）/2
????padding_x?=?（cube_size_xy?-?origin_shape[2]）/2

????edge_z_min?=?math.floor（padding_z）
????edge_z_max?=?edge_z_min?+?origin_shape[0]
????edge_y_min?=?math.floor（padding_y）
????edge_y_max?=?edge_y_min?+?origin_shape[1]
????edge_x_min?=?math.floor（padding_x）
????edge_x_max?=?edge_x_min?+?origin_shape[2]
????print（[edge_z_min?edge_z_max?edge_y_min?edge_y_max?edge_x_min?edge_x_max]）

????nodule_64_arr[edge_z_min:edge_z_max?edge_y_min:edge_y_max?edge_x_min:edge_x_max]?=?nodule_arr
????label_64_arr[edge_z_min:edge_z_max?edge_y_min:edge_y_max?edge_x_min:edge_x_max]?=?label_arr

????return?nodule_64_arr?label_64_arr


def?normalization（nodule_arr?max_val?=?600.0?min_val?=?-1000.0）:
????nodule_arr?=?nodule_arr.astype（“float32“）
????nodule_arr?=?（nodule_arr?-?min_val）?/?（max_val?-?min_val）
????nodule_arr?=?np.clip（nodule_arr?0?1）

????return?nodule_arr


if?__name__?==?‘__main__‘:
????lidc_path?=?“E:/LIDC-IDRI/“
????origin_path?=?os.path.join（lidc_path?“four_radiologist_samples/“）
????padding_path?=?os.path.join（lidc_path?“l(fā)idc_padding_samples/“）
????origin_sample_path?=?os.path.join（origin_path?“sample/“）
????origin_label_path?=?os.path.join（origin_path?“l(fā)abel/“）
????padding_sample_path?=?os.path.join（padding_path?“sample/“）
????padding_label_path?=?os.path.join（padding_path?“l(fā)abel/“）

????nodule_list?=?os.listdir（origin_sample_path）
????for?nodule_file?in?nodule_list:
????????lidc_id?=?nodule_file.split（“_“）[0]
????????nodule_id?=?nodule_file.split（“_“）[2]
????????label_file?=?lidc_id?+?“_label_“?+?nodule_id
????????nodule_arr?=?np.load（os.path.join（origin_sample_path?nodule_file））
????????label_arr?=?np.load（os.path.join（origin_label_path?label_file））
????????label_arr?=?label_arr.astype（“float32“）
????????if?nodule_arr.shape[0]?<=32?and?max（nodule_arr.shape[1]?nodule_arr.shape[2]）?<=?64:
????????????nodule_64_arr?label_64_arr?=?padding_patch（nodule_arr?label_arr）
????????????assert?nodule_64_arr.shape?==?label_64_arr.shape
????????????#print（nodule_64_arr.shape）
????????????np.save（os.path.join（padding_sample_path?nodule_file）?nodule_64_arr）
????????????np.save（os.path.join（padding_label_path?label_file）?label_64_arr）

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2018-03-27?02:48??LIDC-IDRI-nodule-segmentation-master\
?????文件??????????31??2018-03-27?02:48??LIDC-IDRI-nodule-segmentation-master\README.md
?????目錄???????????0??2018-03-27?02:48??LIDC-IDRI-nodule-segmentation-master\dataset\
?????目錄???????????0??2018-03-27?02:48??LIDC-IDRI-nodule-segmentation-master\dataset\__pycache__\
?????文件????????1872??2018-03-27?02:48??LIDC-IDRI-nodule-segmentation-master\dataset\__pycache__\data_padding.cpython-36.pyc
?????文件????????7843??2018-03-27?02:48??LIDC-IDRI-nodule-segmentation-master\dataset\__pycache__\data_process.cpython-36.pyc
?????文件?????????729??2018-03-27?02:48??LIDC-IDRI-nodule-segmentation-master\dataset\__pycache__\find_scans.cpython-36.pyc
?????文件????????1068??2018-03-27?02:48??LIDC-IDRI-nodule-segmentation-master\dataset\__pycache__\plot_nodule.cpython-36.pyc
?????文件????????2776??2018-03-27?02:48??LIDC-IDRI-nodule-segmentation-master\dataset\data_padding.py
?????文件???????11702??2018-03-27?02:48??LIDC-IDRI-nodule-segmentation-master\dataset\data_process.py
?????文件?????????958??2018-03-27?02:48??LIDC-IDRI-nodule-segmentation-master\dataset\find_max_size.py
?????文件?????????873??2018-03-27?02:48??LIDC-IDRI-nodule-segmentation-master\dataset\find_scans.py
?????文件?????????954??2018-03-27?02:48??LIDC-IDRI-nodule-segmentation-master\dataset\padding_test.py
?????文件????????1160??2018-03-27?02:48??LIDC-IDRI-nodule-segmentation-master\dataset\plot_nodule.py
?????文件????????1440??2018-03-27?02:48??LIDC-IDRI-nodule-segmentation-master\dataset\result_process.py
?????文件????????1020??2018-03-27?02:48??LIDC-IDRI-nodule-segmentation-master\dataset\sample_3d_lidc.py
?????文件????????1027??2018-03-27?02:48??LIDC-IDRI-nodule-segmentation-master\dataset\seg_train_val.py
?????目錄???????????0??2018-03-27?02:48??LIDC-IDRI-nodule-segmentation-master\model\
?????文件??????524368??2018-03-27?02:48??LIDC-IDRI-nodule-segmentation-master\model\LIDC-IDRI-0001_label_0.npy
?????文件??????524368??2018-03-27?02:48??LIDC-IDRI-nodule-segmentation-master\model\LIDC-IDRI-0001_sample_0.npy
?????目錄???????????0??2018-03-27?02:48??LIDC-IDRI-nodule-segmentation-master\model\__pycache__\
?????文件???????10203??2018-03-27?02:48??LIDC-IDRI-nodule-segmentation-master\model\__pycache__\model.cpython-36.pyc
?????文件????????1148??2018-03-27?02:48??LIDC-IDRI-nodule-segmentation-master\model\__pycache__\utils.cpython-36.pyc
?????目錄???????????0??2018-03-27?02:48??LIDC-IDRI-nodule-segmentation-master\model\checkpoint\
?????目錄???????????0??2018-03-27?02:48??LIDC-IDRI-nodule-segmentation-master\model\checkpoint\unet3d_layer3_cross_entropy\
?????目錄???????????0??2018-03-27?02:48??LIDC-IDRI-nodule-segmentation-master\model\checkpoint\unet3d_layer3_cross_entropy\filter_size_333_epoch_5_v1\
?????文件?????????247??2018-03-27?02:48??LIDC-IDRI-nodule-segmentation-master\model\checkpoint\unet3d_layer3_cross_entropy\filter_size_333_epoch_5_v1\checkpoint
?????文件????????3063??2018-03-27?02:48??LIDC-IDRI-nodule-segmentation-master\model\checkpoint\unet3d_layer3_cross_entropy\filter_size_333_epoch_5_v1\unet3d-2380.index
?????文件?????2257298??2018-03-27?02:48??LIDC-IDRI-nodule-segmentation-master\model\checkpoint\unet3d_layer3_cross_entropy\filter_size_333_epoch_5_v1\unet3d-2380.meta
?????文件????????3063??2018-03-27?02:48??LIDC-IDRI-nodule-segmentation-master\model\checkpoint\unet3d_layer3_cross_entropy\filter_size_333_epoch_5_v1\unet3d-2385.index
?????文件?????2257298??2018-03-27?02:48??LIDC-IDRI-nodule-segmentation-master\model\checkpoint\unet3d_layer3_cross_entropy\filter_size_333_epoch_5_v1\unet3d-2385.meta
............此處省略32個文件信息