def __init__(self, configfilename):
ConfigProvider.__init__(self)
if not os.path.isfile(configfilename):
self.ConfigValid = False
return
self._config = configparser.ConfigParser()
self._config.read(configfilename)
self.ConfigValid = True
def main():
print("started")
config = ConfigProvider.config()
# read data
inspected = cv2.imread(config.data.defective_inspected_path1, 0).astype('float32')
reference = cv2.imread(config.data.defective_reference_path1, 0).astype('float32')
# registration
aligner = Aligner()
warped, warp_mask = aligner.align_images(static=inspected, moving=reference)
# find defects
defect_segmenter = DefectSegmenter()
defect_mask = defect_segmenter.segment_defects(inspected, warped, warp_mask)
# observe results
diff = np.zeros(inspected.shape, dtype=np.float32)
diff[warp_mask] = (np.abs((np.float32(warped) - np.float32(inspected))))[warp_mask]
noise_cleaner = NoiseCleaner()
diff = noise_cleaner.clean_frame(diff, warp_mask)
cv2.imshow("color_result", get_color_diff_image(inspected, defect_mask * 255).astype('uint8'))
plt.imshow(diff.astype('uint8'), cmap='gray')
plt.title("diff")
cv2.imshow("inspected", inspected.astype('uint8'))
cv2.imshow("reference", reference.astype('uint8'))
cv2.imshow("result", defect_mask.astype('uint8') * 255)
plt.show()
cv2.waitKey(0)
def __init__(self):
self._config = ConfigProvider.config()
self._noise_cleaner = NoiseCleaner()
self._min_diff_threshold = self._config.refinement.min_diff_threshold
self._dilation_diameter = self._config.refinement.dilation_diameter
self._min_new_connected_component_size = self._config.refinement.min_new_connected_component_size
def __init__(self):
self._config = ConfigProvider.config()
self._noise_cleaner = NoiseCleaner()
self._thread_defect_high_pass_thres = self._config.detection.thread_defect_high_pass_thres
self._aura_radius = self._config.detection.aura_radius
self._low_diff_far_from_edge_thres = self._config.detection.low_diff_far_from_edge_thres
self._min_thread_defect_size = self._config.detection.min_thread_defect_size
def __init__(self):
self._config = ConfigProvider.config()
self._is_force_translation = self._config.alignment.is_force_translation
self._subpixel_accuracy_resolution = self._config.alignment.subpixel_accuracy_resolution
self._detector = cv2.ORB_create()
self._matcher = cv2.BFMatcher(cv2.NORM_HAMMING, crossCheck=True)
self._noise_cleaner = NoiseCleaner()
def __init__(self):
self._config = ConfigProvider.config()
self._num_classes = self._config.segmentation.num_classes
self._low_threshold = self._config.segmentation.low_threshold
self._high_threshold = self._config.segmentation.high_threshold
self._auto_thresholds = self._config.segmentation.auto_thresholds
self._noise_cleaner = NoiseCleaner()
self._kmeans = KMeans(n_clusters=self._num_classes)
class Plotter(object):
config = ConfigProvider.config()
is_plotting = config.misc.is_plotting
@staticmethod
def show_color_diff(im1, im2, title):
if not Plotter.is_plotting:
return
to_show = Plotter.get_color_diff_image(im1, im2)
figure()
plt.title(title)
imshow(to_show)
@staticmethod
def get_color_diff_image(im1, im2):
to_show = np.ones((im1.shape[0], im1.shape[1], 3))
to_show[:, :, 0] = im1
to_show[:, :, 1] = im2
to_show[:, :, 2] = im1
to_show = to_show.astype('uint8')
return to_show
@staticmethod
def show_color_diff_threeway(im1, im2, im3, title):
to_show = np.ones((im1.shape[0], im1.shape[1], 3))
to_show[:, :, 0] = im1
to_show[:, :, 1] = im2
to_show[:, :, 2] = im3
to_show = to_show.astype('uint8')
figure()
plt.title(title)
imshow(to_show)
plt.show()
return to_show
@staticmethod
def plot_image(im, title=""):
if not Plotter.is_plotting:
return
figure()
plt.title(title)
imshow(im, cmap='gray')
@staticmethod
def plot_image_3d(im):
if not Plotter.is_plotting:
return
xx, yy = np.mgrid[0:im.shape[0], 0:im.shape[1]]
fig = plt.figure()
ax = fig.gca(projection='3d')
ax.plot_surface(xx,
yy,
im,
rstride=1,
cstride=1,
cmap=plt.cm.gray,
linewidth=0)
def __init__(self):
self._config = ConfigProvider.config()
self._refiner = DefectSegmentationRefiner()
self._defect_segmenters = [
DiffSegmenter(),
BlurredDiffSegmenter(),
LowDiffFarFromEdgeSegmenter(),
ThreadDefectSegmenter()
]
def main():
print("started")
config = ConfigProvider.config()
# read data
inspected = cv2.imread(config.data.defective_inspected_path1, 0).astype('float32')
reference = cv2.imread(config.data.defective_reference_path1, 0).astype('float32')
# registration
aligner = Aligner()
warped, warp_mask = aligner.align_images(static=inspected, moving=reference)
# find defects
segmenter = AutoencoderSegmenter()
defect_mask = segmenter.segment_defects(inspected, warped, warp_mask)
_observe_results(defect_mask, inspected, reference, warp_mask, warped)
def __init__(self):
ConfigProvider.__init__(self)
self._config = configparser.ConfigParser()
self.ConfigValid=True
def dataset_single_image_default():
path = ConfigProvider.config().data.defective_inspected_path1
sample_shape = (11, 11)
strides = (10, 10)
dataset = DatasetSingleImage(path, sample_shape, strides)
return dataset
def __init__(self):
self._config = ConfigProvider.config()
self._median_blur_radius = self._config.noise_cleaning.median_blur_radius
self._frame_radius = self._config.noise_cleaning.frame_radius
def __init__(self):
self._config = ConfigProvider.config()
self._noise_cleaner = NoiseCleaner()
self._aura_radius = self._config.detection.aura_radius
self._low_diff_far_from_edge_thres = self._config.detection.low_diff_far_from_edge_thres
def __init__(self):
self._config = ConfigProvider.config()
self._noise_cleaner = NoiseCleaner()
self._blured_diff_thres = self._config.detection.blured_diff_thres
def train_autoencoder():
print(
f"running with device: {torch.cuda.get_device_name(torch.cuda.current_device())}"
)
seed = 42
np.random.seed(seed)
batch_size = 4
num_workers = 0
sample_shape = (11, 11)
strides = (25, 25)
is_plotting = False
device = torch.device("cuda" if torch.cuda.is_available() else "cpu")
bae = BasicAutoencoder(np.prod(sample_shape)).to(device)
optimizer = optim.Adam(bae.parameters(), lr=1e-3)
criterion = nn.MSELoss()
path = ConfigProvider.config().data.defective_inspected_path1
dataset = DatasetSingleImage(path, sample_shape, strides)
train_size = int(len(dataset) * 0.7)
test_size = len(dataset) - train_size
train_dataset, test_dataset = \
torch.utils.data.random_split(
dataset,
[train_size, test_size],
generator=torch.Generator().manual_seed(seed))
train_loader = DataLoader(
train_dataset,
batch_size=batch_size,
shuffle=True,
num_workers=num_workers,
)
test_loader = DataLoader(
test_dataset,
batch_size=batch_size,
shuffle=False,
num_workers=num_workers,
)
epochs = 200
train_losses = np.zeros((epochs, ))
test_losses = np.zeros((epochs, ))
for epoch in range(epochs):
bae.train()
train_loss = 0
for batch_features_train_ in train_loader:
batch_features_train = batch_features_train_.float().view(
-1, np.prod(sample_shape)).to(device)
optimizer.zero_grad()
outputs = bae(batch_features_train)
train_loss = criterion(outputs, batch_features_train)
train_loss.backward()
optimizer.step()
train_loss += train_loss.item()
train_loss = train_loss / len(train_loader)
train_losses[epoch] = train_loss
print(f"train : {epoch + 1}/{epochs}, loss = {train_loss:.6f}")
bae.eval()
test_loss = 0
batch_features_test_ = []
outputs = []
for batch_features_test_ in test_loader:
batch_features_test = batch_features_test_.float().view(
-1, np.prod(sample_shape)).to(device)
outputs = bae(batch_features_test)
test_loss = criterion(outputs, batch_features_test)
test_loss.backward()
test_loss += test_loss.item()
test_loss = test_loss / len(test_loader)
test_losses[epoch] = test_loss
print(f"test : {epoch + 1}/{epochs}, loss = {test_loss:.6f}")
if is_plotting and epoch % 50 == 0:
num_samples = batch_features_test_.shape[0]
fig, axs = plt.subplots(2, num_samples)
for i_sample in range(num_samples):
for i in range(2):
ax = axs[i, i_sample]
if i == 0:
ax.imshow(batch_features_test_[i_sample, :, :])
else:
ax.imshow((outputs.view(4, 10, 10, 3) /
255).cpu().detach().numpy()[i_sample, :, :])
ax.axis("off")
ax.set_title(f"Sample #{i_sample}")
plt.pause(0.001)
plt.close(fig)
plt.figure()
plt.plot(np.arange(epochs), train_losses, color='r', label='train loss')
plt.plot(np.arange(epochs), test_losses, color='b', label='test loss')
plt.legend(loc='upper right')
plt.show()