def predict_annotations_using_extr_points(self, points):
pass
@work_exception
def do_work():
contours = self.invoke_dextr_pascal_model(self.tag.file_path,
points)
return contours, None
@gui_exception
def done_work(result):
self._loading_dialog.hide()
pred_out, err = result
if err:
raise err
if pred_out:
for c in pred_out:
c_points = []
for i in range(0, len(c), 10):
c_points.append(c[i])
if len(c_points) > 5:
polygon = EditablePolygon()
polygon.tag = self.tag.dataset
self.image_viewer._scene.addItem(polygon)
bbox: QRectF = self.image_viewer.pixmap.boundingRect()
offset = QPointF(bbox.width() / 2, bbox.height() / 2)
for point in c_points:
polygon.addPoint(
QPoint(point[0] - offset.x(),
point[1] - offset.y()))
self._loading_dialog.show()
worker = Worker(do_work)
worker.signals.result.connect(done_work)
self._thread_pool.start(worker)
def bind(self):
@work_exception
def do_work():
return dask.compute(
*[self.load_images(),
self.load_models(),
self.load_labels()]), None
@gui_exception
def done_work(args):
result, error = args
if result:
images, models, labels = result
if models:
for model in models:
self.treeview_models.add_node(model)
if labels:
for entry in labels:
self.treeview_labels.add_row(entry)
selected_image = None
icon = GUIUtilities.get_icon("image.png")
for img in images:
if os.path.isfile(img.file_path):
item = CustomListWidgetItem(img.file_path, tag=img)
item.setIcon(icon)
self.images_list_widget.addItem(item)
if img.file_path == self.tag.file_path:
selected_image = item
self.images_list_widget.setCurrentItem(selected_image)
worker = Worker(do_work)
worker.signals.result.connect(done_work)
self._thread_pool.start(worker)
def download_annot_action_slot(self, vo: DatasetVO):
menu=QMenu()
menu.setCursor(QtCore.Qt.PointingHandCursor)
menu.addAction(self.JSON)
menu.addAction(self.PASCAL_VOC)
#menu.addAction(self.TENSORFLOW_OBJECT_DETECTION)
#menu.addAction(self.YOLO)
action=menu.exec_(QCursor.pos())
if action:
selected_folder=str(QFileDialog.getExistingDirectory(None,"select the folder"))
if selected_folder:
action_text = action.text()
@work_exception
def do_work():
results = self.annot_dao.fetch_all_by_dataset(vo.id)
return results, None
@gui_exception
def done_work(result):
data, error = result
if error:
raise error
images =itertools.groupby(data,lambda x: x["image"])
if action_text == self.JSON:
self.annotations2json(images, selected_folder)
elif action_text == self.PASCAL_VOC:
self.annotations2pascal(images,selected_folder)
GUIUtilities.show_info_message("Annotations exported successfully", "Done")
worker = Worker(do_work)
worker.signals.result.connect(done_work)
self.thread_pool.start(worker)
def _process_image_adjust_oper(self, action: QAction):
curr_action = action.data()
k = self._number_of_clusters_spin.value()
@work_exception
def do_work():
if curr_action == "reset":
self._reset_sliders()
self.image_viewer.reset_viewer()
elif curr_action == "equalize_histo":
self.image_viewer.equalize_histogram()
elif curr_action == "correct_l":
self.image_viewer.correct_lightness()
elif curr_action == "clustering":
self.image_viewer.clusterize(k=k)
return None, None
@gui_exception
def done_work(result):
out, err = result
if err:
return
self._loading_dialog.hide()
self.image_viewer.update_viewer()
self._loading_dialog.show()
worker = Worker(do_work)
worker.signals.result.connect(done_work)
self._thread_pool.start(worker)
def load_image(self):
@work_exception
def do_work():
return dask.compute(
*[self.load_image_label(),
self.load_image_annotations()]), None
@gui_exception
def done_work(args):
result, error = args
if result:
label, annotations = result
if label:
self._class_label.setVisible(True)
self._class_label.setText(label)
else:
self._class_label.setVisible(False)
self._class_label.setText("")
if annotations:
img_bbox: QRectF = self.image_viewer.pixmap.sceneBoundingRect(
)
offset = QPointF(img_bbox.width() / 2,
img_bbox.height() / 2)
for entry in annotations:
try:
vo: AnnotaVO = entry
points = map(float, vo.points.split(","))
points = list(more_itertools.chunked(points, 2))
if vo.kind == "box" or vo.kind == "ellipse":
x = points[0][0] - offset.x()
y = points[0][1] - offset.y()
w = math.fabs(points[0][0] - points[1][0])
h = math.fabs(points[0][1] - points[1][1])
roi: QRectF = QRectF(x, y, w, h)
if vo.kind == "box":
item = EditableBox(roi)
else:
item = EditableEllipse()
item.setRect(roi)
item.label = vo.label
self.image_viewer.scene().addItem(item)
elif vo.kind == "polygon":
item = EditablePolygon()
item.label = vo.label
self.image_viewer.scene().addItem(item)
for p in points:
item.addPoint(
QPoint(p[0] - offset.x(),
p[1] - offset.y()))
except Exception as ex:
GUIUtilities.show_error_message(
"Error loading the annotations: {}".format(ex),
"Error")
self.image_viewer.remove_annotations()
worker = Worker(do_work)
worker.signals.result.connect(done_work)
self._thread_pool.start(worker)
def load_images(self):
def do_work():
page = self._curr_page
items = self._pages[page]
def create_thumbnail(item):
file_path = item.file_path
image = cv2.imread(file_path)
h, w, _ = np.shape(image)
if w > h:
thumbnail_array = imutils.resize(image, width=150)
else:
thumbnail_array = imutils.resize(image, height=150)
thumbnail_array = cv2.cvtColor(thumbnail_array,
cv2.COLOR_BGR2RGB)
thumbnail = GUIUtilities.array_to_qimage(thumbnail_array)
thumbnail = QPixmap.fromImage(thumbnail)
del thumbnail_array
del image
return item, h, w, thumbnail
delayed_tasks = [
dask.delayed(create_thumbnail)(item) for item in items
]
# images = dask.compute(*delayed_taks, scheduler="processes", num_workers=5)
images = dask.compute(*delayed_tasks)
return images
def done_work(images):
for img in images:
item, h, w, thumbnail = img
image_card = ImageCard()
image_card.tag = item
image_card.source = thumbnail
image_card.file_path = item.file_path
image_card.label.setText("({0}px / {1}px)".format(w, h))
image_card.setFixedHeight(240)
image_card.doubleClicked.connect(
self.gallery_card_double_click)
image_card.add_buttons(self.actions)
if len(self.actions) > 0:
image_card.actionClicked.connect(
lambda name, item: self.cardActionClicked.emit(
name, item))
self.center_layout.add_item(image_card)
def finished_work():
self._loading_dialog.close()
self.enable_paginator(True)
worker = Worker(do_work)
worker.signals.result.connect(done_work)
worker.signals.finished.connect(finished_work)
self._thread_pool.start(worker)
self.enable_paginator(False)
self._loading_dialog.show()
def load(self):
def do_work():
ds_dao = DatasetDao()
return ds_dao.fetch_all()
def done_work(result):
for ds in result:
self.addItem(ds.name, ds.id)
worker = Worker(do_work)
worker.signals.result.connect(done_work)
self._thread_pool.start(worker)
def predict_annotations_using_pytorch_thub_model(self, repo, model_name):
@work_exception
def do_work():
if model_name == "covid19":
pred_result = self.invoke_cov19_model(self.tag.file_path, repo,
model_name)
else:
pred_result = self.invoke_tf_hub_model(self.tag.file_path,
repo, model_name)
return pred_result, None
@gui_exception
def done_work(result):
self._loading_dialog.hide()
pred_out, err = result
if err:
raise err
if pred_out:
pred_type, pred_res = pred_out
if pred_type == "mask":
for class_idx, contours in pred_res.items():
if len(contours) > 0:
for c in contours:
points = []
for i in range(0, len(c), 10):
points.append(c[i])
if len(points) > 5:
polygon = EditablePolygon()
polygon.tag = self.tag.dataset
self.image_viewer._scene.addItem(polygon)
bbox: QRectF = self.image_viewer.pixmap.boundingRect(
)
offset = QPointF(bbox.width() / 2,
bbox.height() / 2)
for point in points:
if isinstance(
point,
list) and len(point) == 2:
polygon.addPoint(
QPoint(point[0] - offset.x(),
point[1] - offset.y()))
else:
class_id, class_name = pred_res
GUIUtilities.show_info_message(
"predicted label : `{}`".format(class_name),
"prediction result")
self._loading_dialog.show()
worker = Worker(do_work)
worker.signals.result.connect(done_work)
self._thread_pool.start(worker)
def load_labels(self):
@work_exception
def do_work():
results = self._labels_dao.fetch_all(self.source.dataset)
return results, None
@gui_exception
def done_work(result):
result, error = result
if error is None:
for entry in result:
self.treeview_labels.add_row(entry)
worker=Worker(do_work)
worker.signals.result.connect(done_work)
self._thread_pool.start(worker)
def load_models(self):
@work_exception
def do_work():
results = self._hub_dao.fetch_all()
return results, None
@gui_exception
def done_work(result):
result, error = result
if result:
for model in result:
self.treeview_models.add_node(model)
worker=Worker(do_work)
worker.signals.result.connect(done_work)
self._thread_pool.start(worker)
def load(self):
ds_id = self._ds.id
def do_work():
entries = self._ds_dao.fetch_entries(ds_id)
return entries
def done_work(result):
self.media_grid.items = result
self.media_grid.bind()
self.media_grid.tag = ds_id
self._loading_dialog.close()
worker = Worker(do_work)
worker.signals.result.connect(done_work)
self._thread_pool.start(worker)
self._loading_dialog.exec_()
def load(self):
@work_exception
def do_work():
results = self.ds_dao.fetch_all_with_size()
return results, None
@gui_exception
def done_work(result):
data, error = result
if error:
raise error
self.data_grid.data_source = data
self.data_grid.bind()
worker = Worker(do_work)
worker.signals.result.connect(done_work)
self.thread_pool.start(worker)
def gallery_files_dropped_slot(self, files: []):
entries_list = []
for file_path in files:
vo = DatasetEntryVO()
vo.file_path = file_path
vo.file_size = os.path.getsize(file_path)
vo.dataset = self._ds.id
entries_list.append(vo)
def do_work():
self._ds_dao.add_entries(entries_list)
def done_work():
self.load()
worker = Worker(do_work)
worker.signals.result.connect(done_work)
self._thread_pool.start(worker)
def export_labels_annots(self, dataset_vo: DatasetVO, export_format):
selected_folder = str(
QFileDialog.getExistingDirectory(None, "select the folder"))
if selected_folder:
@work_exception
def do_work():
annotations = self._annot_dao.fetch_labels(dataset_vo.id)
return annotations, None
@gui_exception
def done_work(result):
annots, err = result
if err:
raise err
if annots:
output_file = Path(selected_folder)\
.joinpath("annotations.{}".format(export_format))
if export_format == "csv":
df = pd.DataFrame(annots)
df.to_csv(str(output_file), index=False)
else:
def dumper(obj):
try:
return obj.toJSON()
except:
return obj.__dict__
with open(output_file, "w") as f:
f.write(
json.dumps(annots, default=dumper, indent=2))
GUIUtilities.show_info_message(
"Annotations exported successfully", "Done")
else:
GUIUtilities.show_info_message(
"Not annotations found for the dataset {}".format(
dataset_vo.name), "Done")
worker = Worker(do_work)
worker.signals.result.connect(done_work)
self.thread_pool.start(worker)
def load_image_label(self):
@work_exception
def do_work():
label=self._annot_dao.get_label(self.source.id)
return label,None
@gui_exception
def done_work(result):
label_name,error=result
if error:
raise error
if label_name:
self._label.setVisible(True)
self._label.setText(label_name)
else:
self._label.setVisible(False)
self._label.setText("")
worker=Worker(do_work)
worker.signals.result.connect(done_work)
self._thread_pool.start(worker)
def download_annot_action_slot(self, vo: DatasetVO):
@work_exception
def do_work():
results = self.annot_dao.fetch_all_by_dataset(vo.id)
return results, None
@gui_exception
def done_work(result):
data, error = result
if error:
raise error
groups = itertools.groupby(data, lambda x: x["image"])
annot_list = []
for key, annotations in groups:
image = ImageSchemeVO()
image.path = key
for annot_dict in list(annotations):
annot = AnnotSchemeVO()
annot.kind = annot_dict["annot_kind"]
annot.points = annot_dict["annot_points"]
annot.label_name = annot_dict["label_name"]
annot.label_color = annot_dict["label_color"]
image.regions.append(annot)
annot_list.append(image)
scheme = ImageScheme(many=True)
options = QFileDialog.Options()
options |= QFileDialog.DontUseNativeDialog
default_file = os.path.join(os.path.expanduser('~'),
"annotations.json")
fileName, _ = QFileDialog.getSaveFileName(self,
"Export annotations",
default_file,
"Json Files (*.json)",
options=options)
if fileName:
with open(fileName, 'w') as f:
json.dump(scheme.dump(annot_list), f, indent=3)
worker = Worker(do_work)
worker.signals.result.connect(done_work)
self.thread_pool.start(worker)
def load_images(self):
@work_exception
def do_work():
entries = self._ds_dao.fetch_entries(self.source.dataset)
return entries, None
@gui_exception
def done_work(result):
data, error = result
selected_item = None
for vo in data:
item = CustomListWidgetItem(vo.file_path)
item.tag = vo
if vo.file_path == self.source.file_path:
selected_item = item
self.images_list_widget.addItem(item)
self.images_list_widget.setCurrentItem(selected_item)
worker = Worker(do_work)
worker.signals.result.connect(done_work)
self._thread_pool.start(worker)
def change_image_labels(self, label: LabelVO):
items = self.images_list_widget.selectedItems()
selected_images = []
for item in items:
vo = item.tag
selected_images.append(vo)
@work_exception
def do_work():
self._ds_dao.tag_entries(selected_images, label)
return 1, None
@gui_exception
def done_work(result):
status, err = result
if err:
raise err
worker = Worker(do_work)
worker.signals.result.connect(done_work)
self._thread_pool.start(worker)
def add_repository(self, repo_path):
@work_exception
def do_work():
hub_client = HubClientFactory.create(Framework.PyTorch)
hub = hub_client.fetch_model(repo_path, force_reload=True)
id = self._hub_dao.save(hub)
hub.id = id
return hub, None
@gui_exception
def done_work(result):
self._loading_dialog.close()
hub, error = result
if error:
raise error
self.treeview_models.add_node(hub)
worker = Worker(do_work)
worker.signals.result.connect(done_work)
self._thread_pool.start(worker)
self._loading_dialog.exec_()
def load_image_annotations(self):
@work_exception
def do_work():
results = self._annot_dao.fetch_all(self.source.id)
return results, None
@gui_exception
def done_work(result):
result, error = result
if error:
raise error
img_bbox: QRectF = self.viewer.pixmap.sceneBoundingRect()
offset = QPointF(img_bbox.width() / 2, img_bbox.height() / 2)
for entry in result:
try:
vo: AnnotaVO = entry
points = map(float, vo.points.split(","))
points = list(more_itertools.chunked(points, 2))
if vo.kind == "box":
x = points[0][0] - offset.x()
y = points[0][1] - offset.y()
w = math.fabs(points[0][0] - points[1][0])
h = math.fabs(points[0][1] - points[1][1])
roi: QRectF = QRectF(x, y, w, h)
rect = EditableBox(roi)
rect.label = vo.label
self.viewer.scene().addItem(rect)
elif vo.kind == "polygon":
polygon = EditablePolygon()
polygon.label = vo.label
self.viewer.scene().addItem(polygon)
for p in points:
polygon.addPoint(
QPoint(p[0] - offset.x(), p[1] - offset.y()))
except Exception as ex:
print(ex)
worker = Worker(do_work)
worker.signals.result.connect(done_work)
self._thread_pool.start(worker)
def add_repository(self):
@work_exception
def do_work(repo):
hub_client = HubClientFactory.create(Framework.PyTorch)
hub = hub_client.fetch_model(repo, force_reload=True)
self._hub_dao.save(hub)
return hub, None
@gui_exception
def done_work(result):
self._loading_dialog.close()
data, error = result
if error is None:
self.treeview_models.add_node(data)
form = NewRepoForm()
if form.exec_() == QDialog.Accepted:
repository = form.result
worker = Worker(do_work, repository)
worker.signals.result.connect(done_work)
self._thread_pool.start(worker)
self._loading_dialog.exec_()
def save_annotations(self, done_work_callback):
scene: QGraphicsScene = self.image_viewer.scene()
annotations = []
for item in scene.items():
image_rect: QRectF = self.image_viewer.pixmap.sceneBoundingRect()
image_offset = QPointF(image_rect.width() / 2,
image_rect.height() / 2)
if isinstance(item, EditableItem):
a = AnnotaVO()
a.label = item.label.id if item.label else None
a.entry = self.tag.id
a.kind = item.shape_type
a.points = item.coordinates(image_offset)
annotations.append(a)
@work_exception
def do_work():
self._ann_dao.save(self.tag.id, annotations)
return None, None
worker = Worker(do_work)
worker.signals.result.connect(done_work_callback)
self._thread_pool.start(worker)
def load_images(self):
def do_work():
page = self._curr_page
items = self._pages[page]
def create_thumbnail(item):
file_path = item.file_path
if os.path.isfile(file_path):
image = cv2.imread(file_path)
h, w, _ = np.shape(image)
if w > h:
thumbnail_array = imutils.resize(image, width=150)
else:
thumbnail_array = imutils.resize(image, height=150)
thumbnail_array = cv2.cvtColor(thumbnail_array,
cv2.COLOR_BGR2RGB)
thumbnail = GUIUtilities.array_to_qimage(thumbnail_array)
thumbnail = QPixmap.fromImage(thumbnail)
del thumbnail_array
del image
return item, h, w, thumbnail, os.path.getsize(
file_path), False
thumbnail = GUIUtilities.get_image("placeholder.png")
thumbnail = thumbnail.scaledToHeight(100)
h, w = thumbnail.height(), thumbnail.width()
return item, h, w, thumbnail, 0, True
delayed_tasks = [
dask.delayed(create_thumbnail)(item) for item in items
]
images = dask.compute(*delayed_tasks)
return images
def done_work(images):
for img in images:
if img:
item, h, w, thumbnail, file_size, is_broken = img
image_card = ImageCard()
image_card.is_broken = is_broken
image_card.tag = item
image_card.source = thumbnail
image_card.file_path = item.file_path
image_size_str = size(
file_size,
system=alternative) if file_size > 0 else "0 MB"
image_card.label.setText(
"\n ({0}px / {1}px) \n {2}".format(
w, h, image_size_str))
image_card.setFixedHeight(240)
image_card.doubleClicked.connect(
self.gallery_card_double_click)
image_card.add_buttons(self.actions)
if self.actions:
image_card.actionClicked.connect(
lambda name, item: self.cardActionClicked.emit(
name, item))
self.center_layout.add_item(image_card)
def finished_work():
self._loading_dialog.close()
self.enable_paginator(True)
worker = Worker(do_work)
worker.signals.result.connect(done_work)
worker.signals.finished.connect(finished_work)
self._thread_pool.start(worker)
self.enable_paginator(False)
self._loading_dialog.show()
def export_boxes_annots2pascal(self, dataset_vo: DatasetVO):
output_folder = str(
QFileDialog.getExistingDirectory(None, "select the folder"))
if output_folder:
output_folder = Path(output_folder)
@dask.delayed
def export_xml(img_path, img_annotations):
str_template = '''
<annotation>
<folder>${folder}</folder>
<filename>${filename}</filename>
<path>${path}</path>
<source>
<database>Unknown</database>
</source>
<size>
<width>${width}</width>
<height>${height}</height>
<depth>${depth}</depth>
</size>
<segmented>0</segmented>
% for i, region in enumerate(annotations):
<object>
<name>${region["name"]}</name>
<pose>Unspecified</pose>
<truncated>0</truncated>
<difficult>0</difficult>
<bndbox>
<xmin>${region["xmin"]}</xmin>
<ymin>${region["ymin"]}</ymin>
<xmax>${region["xmax"]}</xmax>
<ymax>${region["ymax"]}</ymax>
</bndbox>
</object>
% endfor
</annotation>
'''
img_path = Path(img_path)
img_name = img_path.name
img_stem = img_path.stem
img: Image = Image.open(str(img_path))
w, h = img.size
c = len(img.getbands())
xml_str = Template(str_template).render(
path=img_path,
folder=str(img_path.parent),
filename=img_name,
width=w,
height=h,
depth=c,
annotations=img_annotations)
output_file = output_folder.joinpath("{}.xml".format(img_stem))
with open(output_file, 'w') as f:
f.write(xml_str)
@work_exception
def do_work():
annotations = self._annot_dao.fetch_boxes(dataset_vo.id)
if annotations:
images = sorted(annotations, key=lambda ann: ann["image"])
images = itertools.groupby(images,
key=lambda ann: ann["image"])
delayed_tasks = []
for img_path, img_annotations in images:
boxes = []
for annot in img_annotations:
points = list(
map(int, annot["annot_points"].split(",")))
box = dict()
box["name"] = annot["label_name"]
box["xmin"] = points[0]
box["ymin"] = points[1]
box["xmax"] = points[2]
box["ymax"] = points[3]
boxes.append(box)
if len(boxes) > 0:
delayed_tasks.append(export_xml(img_path, boxes))
dask.compute(*delayed_tasks)
return True, None
else:
return False, None
@gui_exception
def done_work(result):
success, err = result
if err:
raise err
if success:
GUIUtilities.show_info_message(
"Annotations exported successfully", "Done")
else:
GUIUtilities.show_info_message(
"Not annotations found for the dataset {}".format(
dataset_vo.name), "Done")
worker = Worker(do_work)
worker.signals.result.connect(done_work)
self.thread_pool.start(worker)
def autolabel(self, repo, model_name):
def do_work():
try:
print(repo, model_name)
from PIL import Image
from torchvision import transforms
import torch
model = torch.hub.load(repo, model_name, pretrained=True)
model.eval()
input_image = Image.open(self.source.file_path)
preprocess = transforms.Compose([
transforms.Resize(480),
transforms.ToTensor(),
transforms.Normalize(mean=[0.485, 0.456, 0.406],
std=[0.229, 0.224, 0.225]),
])
input_tensor = preprocess(input_image)
input_batch = input_tensor.unsqueeze(
0) # create a mini-batch as expected by the model
# move the param and model to GPU for speed if available
if torch.cuda.is_available():
input_batch = input_batch.to('cuda')
model.to('cuda')
with torch.no_grad():
output = model(input_batch)['out'][0]
output_predictions = output.argmax(0)
# create a color pallette, selecting a color for each class
palette = torch.tensor([2**25 - 1, 2**15 - 1, 2**21 - 1])
colors = torch.as_tensor([i for i in range(21)
])[:, None] * palette
colors = (colors % 255).numpy().astype("uint8")
# plot the semantic segmentation predictions of 21 classes in each color
predictions_array: np.ndarray = output_predictions.byte().cpu(
).numpy()
predictions_image = Image.fromarray(predictions_array).resize(
input_image.size)
predictions_image.putpalette(colors)
labels_mask = np.asarray(predictions_image)
classes = list(
filter(lambda x: x != 0,
np.unique(labels_mask).tolist()))
classes_map = {c: [] for c in classes}
for c in classes:
class_mask = np.zeros(labels_mask.shape, dtype=np.uint8)
class_mask[np.where(labels_mask == c)] = 255
contour_list = cv2.findContours(class_mask.copy(),
cv2.RETR_LIST,
cv2.CHAIN_APPROX_SIMPLE)
contour_list = imutils.grab_contours(contour_list)
for contour in contour_list:
points = np.vstack(contour).squeeze().tolist()
classes_map[c].append(points)
return classes_map, None
except Exception as ex:
return None, ex
def done_work(result):
self._loading_dialog.close()
classes_map, err = result
if err:
return
for class_idx, contours in classes_map.items():
for c in contours:
points = []
for i in range(0, len(c), 10):
points.append(c[i])
polygon = EditablePolygon()
self.viewer._scene.addItem(polygon)
bbox: QRectF = self.viewer.pixmap.boundingRect()
offset = QPointF(bbox.width() / 2, bbox.height() / 2)
for point in points:
polygon.addPoint(
QPoint(point[0] - offset.x(),
point[1] - offset.y()))
worker = Worker(do_work)
worker.signals.result.connect(done_work)
self._thread_pool.start(worker)
self._loading_dialog.exec_()
def export_polygons_annots2png(self, dataset_vo: DatasetVO):
selected_folder = str(
QFileDialog.getExistingDirectory(None, "select the folder"))
if selected_folder:
selected_folder = Path(selected_folder)
@work_exception
def do_work():
annotations = self._annot_dao.fetch_polygons(dataset_vo.id)
if annotations:
color_palette = set(ann["label_color"]
for ann in annotations)
color_palette = [
ColorUtilities.hex2RGB(c) for c in color_palette
]
color_palette = np.asarray([[0, 0, 0]] + color_palette)
color_palette_flatten = color_palette.flatten()
labels_map = set(ann["label_name"] for ann in annotations)
labels_map = sorted(labels_map)
labels_map = {l: i + 1 for i, l in enumerate(labels_map)}
colors_map = {
l: color_palette.tolist()[i + 1]
for i, l in enumerate(labels_map)
}
images = sorted(annotations, key=lambda ann: ann["image"])
images = itertools.groupby(images,
key=lambda ann: ann["image"])
for img_path, img_annotations in images:
image_name = Path(img_path).stem
image = Image.open(img_path).convert("RGB")
width, height = image.size
mask = Image.new("P", (width, height), 0)
mask.putpalette(color_palette_flatten.tolist())
for region in img_annotations:
label = region["label_name"]
points = region["annot_points"]
points = map(float, points.split(","))
points = list(
map(lambda pt: tuple(pt),
more_itertools.chunked(points, 2)))
if len(points) > 0:
if label in labels_map:
drawable_image = ImageDraw.Draw(mask)
label_id = labels_map[label]
drawable_image.polygon(points,
fill=label_id)
del drawable_image
mask.save(
str(
selected_folder.joinpath(
"{}.png".format(image_name))),
"PNG") # export image
def dumper(obj):
try:
return obj.toJSON()
except:
return obj.__dict__
colors_map_file = selected_folder.joinpath(
"colors_map.json")
with open(str(colors_map_file), "w") as f:
f.write(
json.dumps(colors_map, default=dumper, indent=2))
labels_map_file = selected_folder.joinpath(
"labels_map.json")
with open(str(labels_map_file), "w") as f:
f.write(
json.dumps(labels_map, default=dumper, indent=2))
return annotations, None
@gui_exception
def done_work(result):
annotations, err = result
if err:
raise err
if annotations:
GUIUtilities.show_info_message(
"Annotations exported successfully", "Done")
else:
GUIUtilities.show_info_message(
"Not annotations found for the dataset {}".format(
dataset_vo.name), "Done")
worker = Worker(do_work)
worker.signals.result.connect(done_work)
self.thread_pool.start(worker)
def import_annot_action_slot(self, dataset_vo: DatasetVO):
menu = QMenu()
menu.setCursor(QtCore.Qt.PointingHandCursor)
menu.addAction(self.PASCAL_VOC)
action = menu.exec_(QCursor.pos())
if action:
action_text = action.text()
if action_text == self.PASCAL_VOC:
colors = ColorUtilities.rainbow_gradient(1000)["hex"]
files = GUIUtilities.select_files(
".xml", "Select the annotations files")
if len(files) > 0:
@work_exception
def do_work():
annotations = []
for xml_file in files:
tree = ET.parse(xml_file)
root = tree.getroot()
objects = root.findall('object')
image_path = root.find('path').text
image_vo = self._ds_dao.find_by_path(
dataset_vo.id, image_path)
if image_vo:
for roi in objects:
label_name = roi.find('name').text
label_name = label_name.title()
label_vo = self._labels_dao.find_by_name(
dataset_vo.id, label_name)
if label_vo is None:
label_vo = LabelVO()
label_vo.name = label_name
label_vo.dataset = dataset_vo.id
label_vo.color = colors[random.randint(
0, len(colors))]
label_vo = self._labels_dao.save(
label_vo)
box = roi.find("bndbox")
if box:
x1 = int(box.find('xmin').text)
y1 = int(box.find('ymin').text)
x2 = int(box.find('xmax').text)
y2 = int(box.find('ymax').text)
box = AnnotaVO()
box.label = label_vo.id
box.entry = image_vo.id
box.kind = "box"
box.points = ",".join(
map(str, [x1, y1, x2, y2]))
annotations.append(box)
if len(annotations) > 0:
print(annotations)
self._annot_dao.save(dataset_vo.id, annotations)
return annotations, None
@gui_exception
def done_work(result):
data, error = result
if error:
raise error
if len(data) > 0:
GUIUtilities.show_info_message(
"Annotations imported successfully",
"Import annotations status")
else:
GUIUtilities.show_info_message(
"No annotations found",
"Import annotations status")
worker = Worker(do_work)
worker.signals.result.connect(done_work)
self.thread_pool.start(worker)
