def main(args):
img = ecvl.ImRead(args.in_img)
augs = ecvl.SequentialAugmentationContainer([
ecvl.AugRotate([-5, 5]),
ecvl.AugMirror(.5),
ecvl.AugFlip(.5),
ecvl.AugGammaContrast([3, 5]),
ecvl.AugAdditiveLaplaceNoise([0, 0.2 * 255]),
ecvl.AugCoarseDropout([0, 0.55], [0.02, 0.1], 0.5),
ecvl.AugAdditivePoissonNoise([0, 40]),
ecvl.AugResizeDim([500, 500]),
])
ecvl.AugmentationParam.SetSeed(0)
augs.Apply(img)
print("Executing ImageToTensor")
t = ecvl.ImageToTensor(img)
t.div_(128)
t.mult_(128)
print("Executing TensorToImage")
img = ecvl.TensorToImage(t)
print("Executing TensorToView")
ecvl.TensorToView(t)
_ = ecvl.AugmentationFactory.create(AUG_TXT)
training_augs = ecvl.SequentialAugmentationContainer([
ecvl.AugRotate([-5, 5]),
ecvl.AugAdditiveLaplaceNoise([0, 0.2 * 255]),
ecvl.AugCoarseDropout([0, 0.55], [0.02, 0.1], 0),
ecvl.AugAdditivePoissonNoise([0, 40]),
ecvl.AugResizeDim([30, 30]),
])
test_augs = ecvl.SequentialAugmentationContainer([
ecvl.AugResizeDim([30, 30]),
])
ds_augs = ecvl.DatasetAugmentations([training_augs, None, test_augs])
batch_size = 64
print("Creating a DLDataset")
d = ecvl.DLDataset(args.in_ds, batch_size, ds_augs, ecvl.ColorType.GRAY)
print("Create x and y")
x = Tensor(
[batch_size, d.n_channels_, d.resize_dims_[0], d.resize_dims_[1]])
y = Tensor([batch_size, len(d.classes_)])
# Load a batch of d.batch_size_ images into x and corresponding labels
# into y. Images are resized to the dimensions specified in the
# augmentations chain
print("Executing LoadBatch on training set")
d.LoadBatch(x, y)
# Change colortype and channels
img = ecvl.TensorToImage(x)
img.colortype_ = ecvl.ColorType.GRAY
img.channels_ = "xyc"
# Switch to Test split and load a batch of images
print("Executing LoadBatch on test set")
d.SetSplit(ecvl.SplitType.test)
d.LoadBatch(x, y)
def main(args):
num_classes = 1
size = [192, 192] # size of images
thresh = 0.5
if args.out_dir:
os.makedirs(args.out_dir, exist_ok=True)
in_ = eddl.Input([3, size[0], size[1]])
out = SegNet(in_, num_classes)
out_sigm = eddl.Sigmoid(out)
net = eddl.Model([in_], [out_sigm])
eddl.build(net, eddl.adam(0.0001), ["cross_entropy"],
["mean_squared_error"],
eddl.CS_GPU([1]) if args.gpu else eddl.CS_CPU())
eddl.summary(net)
eddl.setlogfile(net, "skin_lesion_segmentation")
training_augs = ecvl.SequentialAugmentationContainer([
ecvl.AugResizeDim(size),
ecvl.AugMirror(0.5),
ecvl.AugFlip(0.5),
ecvl.AugRotate([-180, 180]),
ecvl.AugAdditivePoissonNoise([0, 10]),
ecvl.AugGammaContrast([0.5, 1.5]),
ecvl.AugGaussianBlur([0, 0.8]),
ecvl.AugCoarseDropout([0, 0.3], [0.02, 0.05], 0.5)
])
validation_augs = ecvl.SequentialAugmentationContainer(
[ecvl.AugResizeDim(size)])
dataset_augs = ecvl.DatasetAugmentations(
[training_augs, validation_augs, None])
print("Reading dataset")
d = ecvl.DLDataset(args.in_ds, args.batch_size, dataset_augs)
x = Tensor([args.batch_size, d.n_channels_, size[0], size[1]])
y = Tensor([args.batch_size, d.n_channels_gt_, size[0], size[1]])
num_samples_train = len(d.GetSplit())
num_batches_train = num_samples_train // args.batch_size
d.SetSplit(ecvl.SplitType.validation)
num_samples_validation = len(d.GetSplit())
num_batches_validation = num_samples_validation // args.batch_size
indices = list(range(args.batch_size))
evaluator = utils.Evaluator()
print("Starting training")
for e in range(args.epochs):
print("Epoch {:d}/{:d} - Training".format(e + 1, args.epochs),
flush=True)
d.SetSplit(ecvl.SplitType.training)
eddl.reset_loss(net)
s = d.GetSplit()
random.shuffle(s)
d.split_.training_ = s
d.ResetAllBatches()
for b in range(num_batches_train):
print("Epoch {:d}/{:d} (batch {:d}/{:d}) - ".format(
e + 1, args.epochs, b + 1, num_batches_train),
end="",
flush=True)
d.LoadBatch(x, y)
x.div_(255.0)
y.div_(255.0)
tx, ty = [x], [y]
eddl.train_batch(net, tx, ty, indices)
eddl.print_loss(net, b)
print()
print("Saving weights")
eddl.save(net, "isic_segmentation_checkpoint_epoch_%s.bin" % e, "bin")
d.SetSplit(ecvl.SplitType.validation)
evaluator.ResetEval()
print("Epoch %d/%d - Evaluation" % (e + 1, args.epochs), flush=True)
for b in range(num_batches_validation):
n = 0
print("Epoch {:d}/{:d} (batch {:d}/{:d}) ".format(
e + 1, args.epochs, b + 1, num_batches_validation),
end="",
flush=True)
d.LoadBatch(x, y)
x.div_(255.0)
y.div_(255.0)
eddl.forward(net, [x])
output = eddl.getOutput(out_sigm)
for k in range(args.batch_size):
img = output.select([str(k)])
gt = y.select([str(k)])
img_np = np.array(img, copy=False)
gt_np = np.array(gt, copy=False)
iou = evaluator.BinaryIoU(img_np, gt_np, thresh=thresh)
print("- IoU: %.6g " % iou, end="", flush=True)
if args.out_dir:
# C++ BinaryIoU modifies image as a side effect
img_np[img_np >= thresh] = 1
img_np[img_np < thresh] = 0
img_t = ecvl.TensorToView(img)
img_t.colortype_ = ecvl.ColorType.GRAY
img_t.channels_ = "xyc"
img.mult_(255.)
# orig_img
orig_img = x.select([str(k)])
orig_img.mult_(255.)
orig_img_t = ecvl.TensorToImage(orig_img)
orig_img_t.colortype_ = ecvl.ColorType.BGR
orig_img_t.channels_ = "xyc"
tmp, labels = ecvl.Image.empty(), ecvl.Image.empty()
ecvl.CopyImage(img_t, tmp, ecvl.DataType.uint8)
ecvl.ConnectedComponentsLabeling(tmp, labels)
ecvl.CopyImage(labels, tmp, ecvl.DataType.uint8)
contours = ecvl.FindContours(tmp)
ecvl.CopyImage(orig_img_t, tmp, ecvl.DataType.uint8)
tmp_np = np.array(tmp, copy=False)
for cseq in contours:
for c in cseq:
tmp_np[c[0], c[1], 0] = 0
tmp_np[c[0], c[1], 1] = 0
tmp_np[c[0], c[1], 2] = 255
filename = d.samples_[d.GetSplit()[n]].location_[0]
head, tail = os.path.splitext(os.path.basename(filename))
bname = "%s.png" % head
output_fn = os.path.join(args.out_dir, bname)
ecvl.ImWrite(output_fn, tmp)
if e == 0:
gt_t = ecvl.TensorToView(gt)
gt_t.colortype_ = ecvl.ColorType.GRAY
gt_t.channels_ = "xyc"
gt.mult_(255.)
gt_filename = d.samples_[d.GetSplit()[n]].label_path_
gt_fn = os.path.join(args.out_dir,
os.path.basename(gt_filename))
ecvl.ImWrite(gt_fn, gt_t)
n += 1
print()
print("MIoU: %.6g" % evaluator.MeanMetric())
def main(args):
num_classes = 1
size = [192, 192] # size of images
thresh = 0.5
if args.out_dir:
os.makedirs(args.out_dir, exist_ok=True)
in_ = eddl.Input([3, size[0], size[1]])
out = SegNet(in_, num_classes)
out_sigm = eddl.Sigmoid(out)
net = eddl.Model([in_], [out_sigm])
eddl.build(net, eddl.adam(0.0001), ["cross_entropy"],
["mean_squared_error"],
eddl.CS_GPU([1]) if args.gpu else eddl.CS_CPU())
eddl.summary(net)
eddl.setlogfile(net, "skin_lesion_segmentation_inference")
if not os.path.exists(args.ckpts):
raise RuntimeError('Checkpoint "{}" not found'.format(args.ckpts))
eddl.load(net, args.ckpts, "bin")
training_augs = ecvl.SequentialAugmentationContainer([
ecvl.AugResizeDim(size),
])
test_augs = ecvl.SequentialAugmentationContainer([
ecvl.AugResizeDim(size),
])
dataset_augs = ecvl.DatasetAugmentations([training_augs, None, test_augs])
print("Reading dataset")
d = ecvl.DLDataset(args.in_ds, args.batch_size, dataset_augs)
x = Tensor([args.batch_size, d.n_channels_, size[0], size[1]])
y = Tensor([args.batch_size, d.n_channels_gt_, size[0], size[1]])
print("Testing")
d.SetSplit(ecvl.SplitType.test)
num_samples_test = len(d.GetSplit())
num_batches_test = num_samples_test // args.batch_size
evaluator = utils.Evaluator()
evaluator.ResetEval()
for b in range(num_batches_test):
n = 0
print("Batch {:d}/{:d} ".format(b + 1, num_batches_test),
end="",
flush=True)
d.LoadBatch(x, y)
x.div_(255.0)
y.div_(255.0)
eddl.forward(net, [x])
output = eddl.getOutput(out_sigm)
for k in range(args.batch_size):
img = output.select([str(k)])
gt = y.select([str(k)])
img_np, gt_np = np.array(img, copy=False), np.array(gt, copy=False)
iou = evaluator.BinaryIoU(img_np, gt_np, thresh=thresh)
print("- IoU: %.6g " % iou, end="", flush=True)
if args.out_dir:
# C++ BinaryIoU modifies image as a side effect
img_np[img_np >= thresh] = 1
img_np[img_np < thresh] = 0
img_t = ecvl.TensorToView(img)
img_t.colortype_ = ecvl.ColorType.GRAY
img_t.channels_ = "xyc"
img.mult_(255.)
# orig_img
orig_img = x.select([str(k)])
orig_img.mult_(255.)
orig_img_t = ecvl.TensorToImage(orig_img)
orig_img_t.colortype_ = ecvl.ColorType.BGR
orig_img_t.channels_ = "xyc"
tmp, labels = ecvl.Image.empty(), ecvl.Image.empty()
ecvl.CopyImage(img_t, tmp, ecvl.DataType.uint8)
ecvl.ConnectedComponentsLabeling(tmp, labels)
ecvl.CopyImage(labels, tmp, ecvl.DataType.uint8)
contours = ecvl.FindContours(tmp)
ecvl.CopyImage(orig_img_t, tmp, ecvl.DataType.uint8)
tmp_np = np.array(tmp, copy=False)
for cseq in contours:
for c in cseq:
tmp_np[c[0], c[1], 0] = 0
tmp_np[c[0], c[1], 1] = 0
tmp_np[c[0], c[1], 2] = 255
filename = d.samples_[d.GetSplit()[n]].location_[0]
head, tail = os.path.splitext(os.path.basename(filename))
bname = "%s.png" % head
output_fn = os.path.join(args.out_dir, bname)
ecvl.ImWrite(output_fn, tmp)
gt_t = ecvl.TensorToView(gt)
gt_t.colortype_ = ecvl.ColorType.GRAY
gt_t.channels_ = "xyc"
gt.mult_(255.)
gt_filename = d.samples_[d.GetSplit()[n]].label_path_
gt_fn = os.path.join(args.out_dir,
os.path.basename(gt_filename))
ecvl.ImWrite(gt_fn, gt_t)
n += 1
print()
print("MIoU: %.6g" % evaluator.MeanMetric())
def main(args):
if not ecvl.ECVL_EDDL:
print("No EDDL support - quitting")
sys.exit(0)
img = ecvl.ImRead(args.in_img)
augs = ecvl.SequentialAugmentationContainer([
ecvl.AugCenterCrop(), # Make image square
ecvl.AugRotate([-5, 5]),
ecvl.AugMirror(.5),
ecvl.AugFlip(.5),
ecvl.AugGammaContrast([3, 5]),
ecvl.AugAdditiveLaplaceNoise([0, 0.2 * 255]),
ecvl.AugCoarseDropout([0, 0.55], [0.02, 0.1], 0.5),
ecvl.AugAdditivePoissonNoise([0, 40]),
ecvl.AugResizeDim([500, 500]),
ecvl.AugCenterCrop([224, 224]),
ecvl.AugToFloat32(255),
ecvl.AugNormalize([0.485, 0.456, 0.406], [0.229, 0.224, 0.225]),
])
ecvl.AugmentationParam.SetSeed(0)
print("Applying augmentations")
augs.Apply(img)
print("Executing ImageToTensor")
t = ecvl.ImageToTensor(img)
t.div_(128)
t.mult_(128)
print("Executing TensorToImage")
img = ecvl.TensorToImage(t)
print("Executing TensorToView")
ecvl.TensorToView(t)
print("Applying augmentations (from text)")
newdeal_augs = ecvl.AugmentationFactory.create(AUG_TXT)
newdeal_augs.Apply(img)
training_augs = ecvl.SequentialAugmentationContainer([
ecvl.AugRotate([-5, 5]),
ecvl.AugAdditiveLaplaceNoise([0, 0.2 * 255]),
ecvl.AugCoarseDropout([0, 0.55], [0.02, 0.1], 0),
ecvl.AugAdditivePoissonNoise([0, 40]),
ecvl.AugResizeDim([30, 30]),
ecvl.AugToFloat32(255),
ecvl.AugNormalize(0.449, 0.226), # mean of imagenet stats
])
test_augs = ecvl.SequentialAugmentationContainer([
ecvl.AugResizeDim([30, 30]),
ecvl.AugToFloat32(255),
ecvl.AugNormalize(0.449, 0.226), # mean of imagenet stats
])
# number of augmentation containers must match number of dataset splits
ds_augs = ecvl.DatasetAugmentations([training_augs, test_augs])
batch_size = 64
print("Creating a DLDataset")
d = ecvl.DLDataset(args.in_ds, batch_size, ds_augs, ecvl.ColorType.GRAY)
print("Create x and y")
x = Tensor(
[batch_size, d.n_channels_, d.resize_dims_[0], d.resize_dims_[1]])
y = Tensor([batch_size, len(d.classes_)])
# Load a batch of d.batch_size_ images into x and corresponding labels
# into y. Images are resized to the dimensions specified in the
# augmentations chain
print("Executing LoadBatch on training set")
d.LoadBatch(x, y)
# Change colortype and channels
img = ecvl.TensorToImage(x)
img.colortype_ = ecvl.ColorType.GRAY
img.channels_ = "xyc"
# Switch to Test split and load a batch of images
print("Executing LoadBatch on test set")
d.SetSplit(ecvl.SplitType.test)
d.LoadBatch(x, y)
# Save some input images
ecvl.ImWrite("mnist_batch.png", ecvl.MakeGrid(x, 8, False))
ecvl.ImWrite("mnist_batch_normalized.png", ecvl.MakeGrid(x, 8, True))
def main(args):
num_classes = 1
size = [512, 512] # size of images
thresh = 0.5
best_dice = -1
if args.out_dir:
os.makedirs(args.out_dir, exist_ok=True)
in_ = eddl.Input([1, size[0], size[1]])
out = SegNetBN(in_, num_classes)
out_sigm = eddl.Sigmoid(out)
net = eddl.Model([in_], [out_sigm])
eddl.build(net, eddl.adam(0.0001), ["cross_entropy"],
["mean_squared_error"],
eddl.CS_GPU([1], mem='low_mem') if args.gpu else eddl.CS_CPU())
eddl.summary(net)
eddl.setlogfile(net, "pneumothorax_segmentation_training")
if args.ckpts and os.path.exists(args.ckpts):
print("Loading checkpoints '{}'".format(args.ckpts))
eddl.load(net, args.ckpts, 'bin')
training_augs = ecvl.SequentialAugmentationContainer([
ecvl.AugResizeDim(size),
ecvl.AugMirror(0.5),
ecvl.AugRotate([-10, 10]),
ecvl.AugBrightness([0, 30]),
ecvl.AugGammaContrast([0, 3]),
])
validation_augs = ecvl.SequentialAugmentationContainer(
[ecvl.AugResizeDim(size)])
dataset_augs = ecvl.DatasetAugmentations(
[training_augs, validation_augs, None])
print("Reading dataset")
d = ecvl.DLDataset(args.in_ds, args.batch_size, dataset_augs,
ecvl.ColorType.GRAY)
# Prepare tensors which store batch
x = Tensor([args.batch_size, d.n_channels_, size[0], size[1]])
y = Tensor([args.batch_size, d.n_channels_gt_, size[0], size[1]])
# Retrieve indices of images with a black ground truth
# which are not include in a split
train_split = d.GetSplit(ecvl.SplitType.training)
val_split = d.GetSplit(ecvl.SplitType.validation)
test_split = d.GetSplit(ecvl.SplitType.test)
all_split = set(train_split + val_split + test_split)
images_list = set(range(len(d.samples_)))
# Obtain images with black ground truth
black_images = images_list - all_split
# Add a 25% of training samples with black ground truth.
num_samples_train = math.floor(len(train_split) * 1.25)
num_batches_train = num_samples_train // args.batch_size
# Add a 25% of validation samples with black ground truth.
num_samples_validation = math.floor(len(val_split) * 1.25)
num_batches_validation = num_samples_validation // args.batch_size
black_images = list(black_images)
black_training = black_images[0:-(num_samples_validation - len(val_split))]
black_validation = black_images[-(num_samples_validation -
len(val_split)):]
indices = list(range(args.batch_size))
evaluator = utils.Evaluator()
print("Starting training")
for e in range(args.epochs):
print("Epoch {:d}/{:d} - Training".format(e + 1, args.epochs),
flush=True)
d.SetSplit(ecvl.SplitType.training)
eddl.reset_loss(net)
s = d.GetSplit()
random.shuffle(s)
d.split_.training_ = s
random.shuffle(black_training)
d.ResetAllBatches()
# Indices to track mask and black vector in PneumothoraxLoadBatch
m_i = 0
b_i = 0
for i, b in enumerate(range(num_batches_train)):
d, images, labels, _, m_i, b_i = PneumothoraxLoadBatch(
d, black_training, m_i, b_i)
x, y = fill_tensors(images, labels, x, y)
x.div_(255.0)
y.div_(255.0)
eddl.train_batch(net, [x], [y], indices)
if i % args.log_interval == 0:
print("Epoch {:d}/{:d} (batch {:d}/{:d}) - ".format(
e + 1, args.epochs, b + 1, num_batches_train),
end="",
flush=True)
eddl.print_loss(net, b)
print()
d.SetSplit(ecvl.SplitType.validation)
evaluator.ResetEval()
print("Epoch %d/%d - Evaluation" % (e + 1, args.epochs), flush=True)
m_i = 0
b_i = 0
for b in range(num_batches_validation):
n = 0
print("Epoch {:d}/{:d} (batch {:d}/{:d}) ".format(
e + 1, args.epochs, b + 1, num_batches_validation),
end="",
flush=True)
d, images, labels, names, m_i, b_i = PneumothoraxLoadBatch(
d, black_validation, m_i, b_i)
x, y = fill_tensors(images, labels, x, y)
x.div_(255.0)
y.div_(255.0)
eddl.forward(net, [x])
output = eddl.getOutput(out_sigm)
# Compute Dice metric and optionally save the output images
for k in range(args.batch_size):
pred = output.select([str(k)])
gt = y.select([str(k)])
pred_np = np.array(pred, copy=False)
gt_np = np.array(gt, copy=False)
# DiceCoefficient modifies image as a side effect
dice = evaluator.DiceCoefficient(pred_np, gt_np, thresh=thresh)
print("- Dice: {:.6f} ".format(dice), end="", flush=True)
if args.out_dir:
# Save original image fused together with prediction and
# ground truth
pred_np *= 255
pred_ecvl = ecvl.TensorToImage(pred)
pred_ecvl.colortype_ = ecvl.ColorType.GRAY
pred_ecvl.channels_ = "xyc"
ecvl.ResizeDim(pred_ecvl, pred_ecvl, (1024, 1024),
ecvl.InterpolationType.nearest)
filename_gt = names[n + 1]
gt_ecvl = ecvl.ImRead(filename_gt,
ecvl.ImReadMode.GRAYSCALE)
filename = names[n]
# Image as BGR
img_ecvl = ecvl.ImRead(filename)
ecvl.Stack([img_ecvl, img_ecvl, img_ecvl], img_ecvl)
img_ecvl.channels_ = "xyc"
img_ecvl.colortype_ = ecvl.ColorType.BGR
image_np = np.array(img_ecvl, copy=False)
pred_np = np.array(pred_ecvl, copy=False)
gt_np = np.array(gt_ecvl, copy=False)
pred_np = pred_np.squeeze()
gt_np = gt_np.squeeze()
# Prediction summed in R channel
image_np[:, :, -1] = np.where(pred_np == 255, pred_np,
image_np[:, :, -1])
# Ground truth summed in G channel
image_np[:, :, 1] = np.where(gt_np == 255, gt_np,
image_np[:, :, 1])
n += 2
head, tail = os.path.splitext(os.path.basename(filename))
bname = "{}.png".format(head)
filepath = os.path.join(args.out_dir, bname)
ecvl.ImWrite(filepath, img_ecvl)
print()
mean_dice = evaluator.MeanMetric()
if mean_dice > best_dice:
print("Saving weights")
eddl.save(
net, "pneumothorax_segnetBN_adam_lr_0.0001_"
"loss_ce_size_512_{}.bin".format(e + 1), "bin")
best_dice = mean_dice
print("Mean Dice Coefficient: {:.6g}".format(mean_dice))
def main(args):
num_classes = 1
size = [512, 512] # size of images
thresh = 0.5
if args.out_dir:
os.makedirs(args.out_dir, exist_ok=True)
in_ = eddl.Input([1, size[0], size[1]])
out = SegNetBN(in_, num_classes)
out_sigm = eddl.Sigmoid(out)
net = eddl.Model([in_], [out_sigm])
eddl.build(
net,
eddl.adam(0.0001),
["cross_entropy"],
["mean_squared_error"],
eddl.CS_GPU([1]) if args.gpu else eddl.CS_CPU()
)
eddl.summary(net)
eddl.setlogfile(net, "pneumothorax_segmentation_inference")
if not os.path.exists(args.ckpts):
raise RuntimeError('Checkpoint "{}" not found'.format(args.ckpts))
eddl.load(net, args.ckpts, "bin")
training_augs = ecvl.SequentialAugmentationContainer([
ecvl.AugResizeDim(size),
])
test_augs = ecvl.SequentialAugmentationContainer([
ecvl.AugResizeDim(size),
])
dataset_augs = ecvl.DatasetAugmentations([training_augs, None, test_augs])
print("Reading dataset")
d = ecvl.DLDataset(args.in_ds, args.batch_size, dataset_augs,
ecvl.ColorType.GRAY)
x = Tensor([args.batch_size, d.n_channels_, size[0], size[1]])
print("Testing")
d.SetSplit(ecvl.SplitType.test)
num_samples_test = len(d.GetSplit())
num_batches_test = num_samples_test // args.batch_size
evaluator = utils.Evaluator()
evaluator.ResetEval()
for b in range(num_batches_test):
n = 0
print("Batch {:d}/{:d} ".format(
b + 1, num_batches_test), end="", flush=True)
d.LoadBatch(x)
x.div_(255.0)
eddl.forward(net, [x])
if args.out_dir:
output = eddl.getOutput(out_sigm)
for k in range(args.batch_size):
img = output.select([str(k)])
img_I = ecvl.TensorToImage(img)
img_I.colortype_ = ecvl.ColorType.GRAY
img_I.channels_ = "xyc"
ecvl.Threshold(img_I, img_I, thresh, 255)
filename = d.samples_[d.GetSplit()[n]].location_[0]
head, tail = os.path.splitext(os.path.basename(filename))
bname = "{}.png".format(head)
output_fn = os.path.join(args.out_dir, bname)
ecvl.ImWrite(output_fn, img_I)
n += 1
print()
def main(args):
batch_size = args.batch_size
image_size = args.size, args.size
thresh = 0.5
if args.weights:
os.makedirs(args.weights, exist_ok=True)
training_augs = ecvl.SequentialAugmentationContainer([
ecvl.AugResizeDim(image_size,
ecvl.InterpolationType.cubic,
gt_interp=ecvl.InterpolationType.nearest),
ecvl.AugMirror(.5),
ecvl.AugFlip(.5),
ecvl.AugRotate([-180, 180]),
ecvl.AugAdditivePoissonNoise([0, 10]),
ecvl.AugGammaContrast([0.5, 1.5]),
ecvl.AugGaussianBlur([0, 0.8]),
ecvl.AugCoarseDropout([0, 0.03], [0.02, 0.05], 0.25),
ecvl.AugToFloat32(255, divisor_gt=255),
ecvl.AugNormalize([0.6681, 0.5301, 0.5247],
[0.1337, 0.1480, 0.1595]), # isic stats
])
validation_test_augs = ecvl.SequentialAugmentationContainer([
ecvl.AugResizeDim(image_size,
ecvl.InterpolationType.cubic,
gt_interp=ecvl.InterpolationType.nearest),
ecvl.AugToFloat32(255, divisor_gt=255),
ecvl.AugNormalize([0.6681, 0.5301, 0.5247],
[0.1337, 0.1480, 0.1595]), # isic stats
])
dataset_augs = ecvl.DatasetAugmentations(
[training_augs, validation_test_augs, validation_test_augs])
print('Reading dataset')
d = ecvl.DLDataset(args.in_ds,
args.batch_size,
dataset_augs,
ctype=ecvl.ColorType.RGB)
num_classes = len(d.classes_) or d.n_channels_gt_
size = d.n_channels_, args.size, args.size
if args.ckpts:
net = eddl.import_net_from_onnx_file(args.ckpts, size)
else:
in_ = eddl.Input(size)
out = Unet(in_, num_classes)
out_sigm = eddl.Sigmoid(out)
net = eddl.Model([in_], [out_sigm])
# model_path = utils.DownloadModel(segmentation_zoo[args.model]['url'], f'{args.model}.onnx', 'model_onnx')
# net = eddl.import_net_from_onnx_file(model_path, size)
# eddl.removeLayer(net, segmentation_zoo[args.model]['to_remove'])
# top = eddl.getLayer(net, segmentation_zoo[args.model]['top'])
#
# out = eddl.Sigmoid(eddl.Conv(top, num_classes, [3, 3], name='last_layer'))
# data_input = eddl.getLayer(net, segmentation_zoo[args.model]['input']) # input of the onnx
# net = eddl.Model([data_input], [out])
loss_name = 'binary_cross_entropy'
metric_name = 'mean_squared_error'
eddl.build(
net, eddl.adam(args.learning_rate), [loss_name], [metric_name],
eddl.CS_GPU(args.gpu, mem="low_mem") if args.gpu else eddl.CS_CPU(),
True)
out = eddl.getOut(net)[0]
# if not args.ckpts:
# eddl.initializeLayer(net, "last_layer")
eddl.summary(net)
eddl.setlogfile(net, 'skin_lesion_segmentation')
x = Tensor([args.batch_size, *size])
y = Tensor([args.batch_size, d.n_channels_gt_, size[1], size[2]])
miou = 0.
if args.train:
num_samples_train = len(d.GetSplit())
num_batches_train = num_samples_train // args.batch_size
num_samples_val = len(d.GetSplit(ecvl.SplitType.validation))
num_batches_val = num_samples_val // args.batch_size
evaluator = utils.Evaluator()
print('Starting training')
for e in range(args.epochs):
d.SetSplit(ecvl.SplitType.training)
eddl.reset_loss(net)
s = d.GetSplit()
random.shuffle(s)
d.split_.training_ = s
d.ResetAllBatches()
for b in range(num_batches_train):
d.LoadBatch(x, y)
# x_ = x.select(["0"])
# x_.normalize_(0, 1)
# x_.mult_(255.)
# x_.save(f'images/train_{e}_{b}.png')
#
# y_ = y.select(["0"])
# # y_.mult_(255.)
# y_.save(f'images/train_gt_{e}_{b}.png')
eddl.train_batch(net, [x], [y])
losses = eddl.get_losses(net)
metrics = eddl.get_metrics(net)
print(
f'Train - epoch [{e + 1}/{args.epochs}] - batch [{b + 1}/{num_batches_train}]'
f' - {loss_name}={losses[0]:.3f} - {metric_name}={metrics[0]:.3f}',
flush=True)
d.SetSplit(ecvl.SplitType.validation)
evaluator.ResetEval()
eddl.reset_loss(net)
for b in range(num_batches_val):
n = 0
print(
f'Validation - epoch [{e + 1}/{args.epochs}] - batch [{b + 1}/{num_batches_val}]'
)
d.LoadBatch(x, y)
eddl.forward(net, [x])
output = eddl.getOutput(out)
for bs in range(args.batch_size):
img = output.select([str(bs)])
gt = y.select([str(bs)])
img_np = np.array(img, copy=False)
gt_np = np.array(gt, copy=False)
iou = evaluator.BinaryIoU(img_np, gt_np, thresh=thresh)
print(f' - IoU: {iou:.3f}', end="", flush=True)
if args.out_dir:
# C++ BinaryIoU modifies image as a side effect
img_np[img_np >= thresh] = 1
img_np[img_np < thresh] = 0
img_t = ecvl.TensorToView(img)
img_t.colortype_ = ecvl.ColorType.GRAY
img_t.channels_ = "xyc"
img.mult_(255.)
# orig_img
orig_img = x.select([str(bs)])
orig_img.mult_(255.)
orig_img_t = ecvl.TensorToImage(orig_img)
orig_img_t.colortype_ = ecvl.ColorType.BGR
orig_img_t.channels_ = "xyc"
tmp, labels = ecvl.Image.empty(), ecvl.Image.empty()
ecvl.CopyImage(img_t, tmp, ecvl.DataType.uint8)
ecvl.ConnectedComponentsLabeling(tmp, labels)
ecvl.CopyImage(labels, tmp, ecvl.DataType.uint8)
contours = ecvl.FindContours(tmp)
ecvl.CopyImage(orig_img_t, tmp, ecvl.DataType.uint8)
tmp_np = np.array(tmp, copy=False)
for cseq in contours:
for c in cseq:
tmp_np[c[0], c[1], 0] = 0
tmp_np[c[0], c[1], 1] = 0
tmp_np[c[0], c[1], 2] = 255
filename = d.samples_[d.GetSplit()[n]].location_[0]
head, tail = os.path.splitext(
os.path.basename(filename))
bname = "%s.png" % head
output_fn = os.path.join(args.out_dir, bname)
ecvl.ImWrite(output_fn, tmp)
if e == 0:
gt_t = ecvl.TensorToView(gt)
gt_t.colortype_ = ecvl.ColorType.GRAY
gt_t.channels_ = "xyc"
gt.mult_(255.)
gt_filename = d.samples_[d.GetSplit()
[n]].label_path_
gt_fn = os.path.join(args.out_dir,
os.path.basename(gt_filename))
ecvl.ImWrite(gt_fn, gt_t)
n += 1
print()
last_miou = evaluator.MIoU()
print(
f'Validation - epoch [{e + 1}/{args.epochs}] - Total MIoU: {last_miou:.3f}'
)
if last_miou > miou:
miou = last_miou
eddl.save_net_to_onnx_file(
net,
os.path.join(args.weights,
f'isic_segm_{args.model}_epoch_{e + 1}.onnx'))
print('Weights saved')
elif args.test:
evaluator = utils.Evaluator()
evaluator.ResetEval()
d.SetSplit(ecvl.SplitType.test)
num_samples_test = len(d.GetSplit())
num_batches_test = num_samples_test // batch_size
for b in range(num_batches_test):
n = 0
print(f'Test - batch [{b + 1}/{num_batches_test}]')
d.LoadBatch(x, y)
eddl.forward(net, [x])
output = eddl.getOutput(out)
for bs in range(args.batch_size):
img = output.select([str(bs)])
gt = y.select([str(bs)])
img_np, gt_np = np.array(img, copy=False), np.array(gt,
copy=False)
iou = evaluator.BinaryIoU(img_np, gt_np, thresh=thresh)
print(f' - IoU: {iou:.3f}', end="", flush=True)
if args.out_dir:
# C++ BinaryIoU modifies image as a side effect
img_np[img_np >= thresh] = 1
img_np[img_np < thresh] = 0
img_t = ecvl.TensorToView(img)
img_t.colortype_ = ecvl.ColorType.GRAY
img_t.channels_ = "xyc"
img.mult_(255.)
# orig_img
orig_img = x.select([str(bs)])
orig_img.mult_(255.)
orig_img_t = ecvl.TensorToImage(orig_img)
orig_img_t.colortype_ = ecvl.ColorType.BGR
orig_img_t.channels_ = "xyc"
tmp, labels = ecvl.Image.empty(), ecvl.Image.empty()
ecvl.CopyImage(img_t, tmp, ecvl.DataType.uint8)
ecvl.ConnectedComponentsLabeling(tmp, labels)
ecvl.CopyImage(labels, tmp, ecvl.DataType.uint8)
contours = ecvl.FindContours(tmp)
ecvl.CopyImage(orig_img_t, tmp, ecvl.DataType.uint8)
tmp_np = np.array(tmp, copy=False)
for cseq in contours:
for c in cseq:
tmp_np[c[0], c[1], 0] = 0
tmp_np[c[0], c[1], 1] = 0
tmp_np[c[0], c[1], 2] = 255
filename = d.samples_[d.GetSplit()[n]].location_[0]
head, tail = os.path.splitext(os.path.basename(filename))
bname = "%s.png" % head
output_fn = os.path.join(args.out_dir, bname)
ecvl.ImWrite(output_fn, tmp)
gt_t = ecvl.TensorToView(gt)
gt_t.colortype_ = ecvl.ColorType.GRAY
gt_t.channels_ = "xyc"
gt.mult_(255.)
gt_filename = d.samples_[d.GetSplit()[n]].label_path_
gt_fn = os.path.join(args.out_dir,
os.path.basename(gt_filename))
ecvl.ImWrite(gt_fn, gt_t)
n += 1
miou = evaluator.MIoU()
print(f'Test - Total MIoU: {miou:.3f}')