Files
2026-03-31 13:28:59 +02:00

99 lines
2.9 KiB
Python

import tensorflow as tf
from sklearn.model_selection import train_test_split
from PIL import Image
import os
import numpy as np
import random
import cv2
import model
import traitement_images as ti
dir_images='./training/images/'
dir_mask ='./training/1st_manual/'
if not os.path.isdir(dir_images):
quit("The directory {} doesn't exist !".format(dir_images))
if not os.path.isdir(dir_mask):
quit("The directory {} doesn't exist !".format(dir_mask))
tab_images=[]
tab_masks=[]
list_file=os.listdir(dir_images)
if list_file is None:
quit("No file in {} !".format(dir_images))
for fichier in list_file:
img_orig=cv2.imread(dir_images+fichier)
tab_images.append(img_orig[:576, :560])
num=fichier.split('_')[0]
file_mask=dir_mask+num+'_manual1.gif'
if not os.path.isfile(file_mask):
quit("Mask of {} doesn't exist in {}".format(file_mask, dir_mask))
img_mask_orig=np.array(Image.open(file_mask))
tab_masks.append(img_mask_orig[:576, :560])
for angle in range(0, 360, 30):
img_r=ti.rotateImage(img_orig, angle)
img=img_r.copy()
img=ti.random_change(img)
tab_images.append(img[:576, :560])
img_mask=ti.rotateImage(img_mask_orig, angle)
tab_masks.append(img_mask[:576, :560])
img=cv2.flip(img_r, 0)
img=ti.random_change(img)
tab_images.append(img[:576, :560])
img_m=cv2.flip(img_mask, 0)
tab_masks.append(img_m[:576, :560])
img=cv2.flip(img_r, 1)
img=ti.random_change(img)
tab_images.append(img[:576, :560])
img_m=cv2.flip(img_mask, 1)
tab_masks.append(img_m[:576, :560])
img=cv2.flip(img_r, -1)
img=ti.random_change(img)
tab_images.append(img[:576, :560])
img_m=cv2.flip(img_mask, -1)
tab_masks.append(img_m[:576, :560])
tab_images=np.array(tab_images, dtype=np.float32)/255
tab_masks =np.array(tab_masks, dtype=np.float32)[:, :, :]/255
train_images, test_images, train_masks, test_masks=train_test_split(tab_images, tab_masks, test_size=0.05)
del tab_images
del tab_masks
my_model=model.model(64)
my_model.compile(optimizer='adam',
loss=model.LossDice,
metrics=['accuracy'])
my_model.fit(train_images,
train_masks,
epochs=20,
batch_size=4,
validation_data=(test_images, test_masks))
dir_test_images='./test/images/'
tab_test_images=[]
tab_files=[]
for fichier in os.listdir(dir_test_images):
img=cv2.imread(dir_test_images+fichier)
tab_test_images.append(img[:576, :560])
tab_files.append(fichier.split('_')[0])
tab_test_images=np.array(tab_test_images, dtype=np.float32)/255
tab_files=np.array(tab_files)
for id in range(len(tab_test_images)):
mask=np.zeros((584, 565, 1), dtype=np.float32)
prediction=my_model.predict(np.array([tab_test_images[id]]))
mask[:576, :560]=prediction[0]*255
cv2.imwrite("./predictions/"+str(tab_files[id])+".png", mask)