def bitwise_mask(
ann: Annotation,
class_mask: str,
classes_to_correct: List[str],
bitwise_op: Callable[[np.ndarray, np.ndarray], np.ndarray] = np.logical_and
) -> Annotation:
"""
Performs bitwise operation between two masks. Uses one target mask to correct all others.
Args
ann: Input annotation.
class_mask: Class name of target mask.
classes_to_correct: List of classes which will be corrected using target mask.
bitwise_op: Bitwise numpy function to process masks.For example: "np.logical_or", "np.logical_and",
"np.logical_xor".
Returns:
Annotation containing corrected Bitmaps.
"""
imsize = ann.img_size
def find_mask_class(labels, class_mask_name):
for label in labels:
if label.obj_class.name == class_mask_name:
if not isinstance(label.geometry, Bitmap):
raise RuntimeError(
'Class <{}> must be a Bitmap.'.format(class_mask_name))
return label
mask_label = find_mask_class(ann.labels, class_mask)
if mask_label is not None:
target_original, target_mask = mask_label.geometry.origin, mask_label.geometry.data
full_target_mask = np.full(imsize, False, bool)
full_target_mask[target_original.row:target_original.row +
target_mask.shape[0],
target_original.col:target_original.col +
target_mask.shape[1]] = target_mask
def perform_op(label):
if label.obj_class.name not in classes_to_correct or label.obj_class.name == class_mask:
return [label]
if not isinstance(label.geometry, Bitmap):
raise RuntimeError('Input class must be a Bitmap.')
new_geom = label.geometry.bitwise_mask(full_target_mask,
bitwise_op)
return [label.clone(
geometry=new_geom)] if new_geom is not None else []
res_ann = ann.transform_labels(perform_op)
else:
res_ann = ann.clone()
return res_ann
def _get_annotation_for_bbox(img: np.ndarray, roi: Rectangle, model) -> Annotation:
"""Runs inference within the given roi; moves resulting figures to global reference frame."""
img_cropped = roi.get_cropped_numpy_slice(img)
# TODO pass through image and parent figure tags via roi_ann.
roi_ann = Annotation(img_size=(roi.height, roi.width))
raw_result_ann = model.inference(img_cropped, roi_ann)
return Annotation(img_size=img.shape[:2],
labels=[label.translate(drow=roi.top, dcol=roi.left) for label in raw_result_ann.labels],
img_tags=raw_result_ann.img_tags, img_description=raw_result_ann.img_description,
pixelwise_scores_labels=[label.translate(drow=roi.top, dcol=roi.left)
for label in raw_result_ann.pixelwise_scores_labels])
def run_evaluation(self):
progress = Progress('metric evaluation', self._project_gt.total_items)
for ds_name in self._project_gt.datasets.keys():
ds_gt = self._project_gt.datasets.get(ds_name)
ds_pred = self._project_pred.datasets.get(ds_name)
for sample_name in ds_gt:
try:
ann_gt = Annotation.load_json_file(ds_gt.get_ann_path(sample_name), self._project_gt.meta)
ann_pred = Annotation.load_json_file(ds_pred.get_ann_path(sample_name), self._project_pred.meta)
self._metric.add_pair(ann_gt, ann_pred)
except ValueError as e:
logger.warning('An error has occured ({}). Sample "{}" in dataset "{}" will be skipped'
.format(str(e), sample_name, ds_gt.name))
progress.iter_done_report()
def _do_single_img_inference(self, img, in_msg):
in_project_meta = self._in_project_meta_from_msg(in_msg)
ann_json = in_msg.get('annotation')
if ann_json is not None:
if in_project_meta is None:
raise ValueError('In order to perform inference with annotation you must specify the appropriate'
' project meta.')
ann = Annotation.from_json(ann_json, in_project_meta)
else:
in_project_meta = in_project_meta or ProjectMeta()
ann = Annotation(img.shape[:2])
inference_mode = self._make_inference_mode(in_msg.get(MODE, {}), in_project_meta)
inference_result = inference_mode.infer_annotate(img, ann)
return inference_result.to_json()
def post(self):
args = self._parser.parse_args()
img_bytes = args[IMAGE].stream.read()
img = sly_image.read_bytes(img_bytes)
ann = self._model.inference(img,
Annotation(img_size=img.shape[:2]))
return {ANNOTATION: ann.to_json()}
def _do_infer_annotate(self, img: np.ndarray,
ann: Annotation) -> Annotation:
result_ann = ann.clone()
model_labels = []
for roi in self._sliding_windows.get(ann.img_size):
raw_roi_ann = _get_annotation_for_bbox(img, roi, self._model)
all_rectangle_labels = [
label for label in raw_roi_ann.labels
if isinstance(label.geometry, Rectangle)
]
model_labels.extend(
_replace_labels_classes(all_rectangle_labels,
self._model_class_mapper,
self._model_tag_meta_mapper,
skip_missing=True))
model_img_level_tags = make_renamed_tags(
raw_roi_ann.img_tags,
self._model_tag_meta_mapper,
skip_missing=True)
result_ann = result_ann.add_labels(
_maybe_make_bbox_label(roi,
self._intermediate_bbox_class,
tags=model_img_level_tags))
nms_conf = self._config.get(NMS_AFTER, {ENABLE: False})
if nms_conf[ENABLE]:
result_ann = result_ann.add_labels(
self._general_nms(labels=model_labels,
iou_thresh=nms_conf[IOU_THRESHOLD],
confidence_tag_name=nms_conf.get(
CONFIDENCE_TAG_NAME, CONFIDENCE)))
else:
result_ann = result_ann.add_labels(model_labels)
return result_ann
def _do_infer_annotate(self, img: np.ndarray,
ann: Annotation) -> Annotation:
result_labels = []
for src_label, roi in self._all_filtered_bbox_rois(
ann, self._config[FROM_CLASSES], self._config[PADDING]):
if roi is None:
result_labels.append(src_label)
else:
roi_ann = _get_annotation_for_bbox(img, roi, self._model)
result_labels.extend(
_replace_labels_classes(roi_ann.labels,
self._model_class_mapper,
self._model_tag_meta_mapper,
skip_missing=True))
model_img_level_tags = make_renamed_tags(
roi_ann.img_tags,
self._model_tag_meta_mapper,
skip_missing=True)
if self._config[SAVE]:
result_labels.append(
Label(geometry=roi,
obj_class=self._intermediate_class_mapper.map(
src_label.obj_class),
tags=model_img_level_tags))
# Regardless of whether we need to save intermediate bounding boxes, also put the inference result tags
# onto the original source object from which we created a bounding box.
# This is necessary for e.g. classification models to work, so that they put the classification results
# onto the original object.
result_labels.append(src_label.add_tags(model_img_level_tags))
return ann.clone(labels=result_labels)
def save_project_as_pascal_voc_detection(save_path, project: Project):
# Create root pascal 'datasets' folders
for dataset in project.datasets:
pascal_dataset_path = os.path.join(save_path, dataset.name)
pascal_dataset_relative_path = os.path.relpath(pascal_dataset_path,
save_path)
images_dir = os.path.join(pascal_dataset_path, 'JPEGImages')
anns_dir = os.path.join(pascal_dataset_path, 'Annotations')
lists_dir = os.path.join(pascal_dataset_path, 'ImageSets/Layout')
fs_utils.mkdir(pascal_dataset_path)
for subdir in [
'ImageSets', # Train list, Val list, etc.
'ImageSets/Layout',
'Annotations',
'JPEGImages'
]:
fs_utils.mkdir(os.path.join(pascal_dataset_path, subdir))
samples_by_tags = defaultdict(list) # TRAIN: [img_1, img2, ..]
for item_name in dataset:
img_path, ann_path = dataset.get_item_paths(item_name)
no_ext_name = fs_utils.get_file_name(item_name)
pascal_img_path = os.path.join(images_dir,
no_ext_name + OUT_IMG_EXT)
pascal_ann_path = os.path.join(anns_dir, no_ext_name + XML_EXT)
if item_name.endswith(OUT_IMG_EXT):
fs_utils.copy_file(img_path, pascal_img_path)
else:
img = image_utils.read(img_path)
image_utils.write(pascal_img_path, img)
ann = Annotation.load_json_file(ann_path,
project_meta=project.meta)
# Read tags for images lists generation
for tag in ann.img_tags:
samples_by_tags[tag.name].append(
(no_ext_name, len(ann.labels)))
writer = pascal_voc_writer.Writer(
path=pascal_dataset_relative_path,
width=ann.img_size[1],
height=ann.img_size[0])
for label in ann.labels:
obj_class = label.obj_class
rect: Rectangle = label.geometry.to_bbox()
writer.addObject(name=obj_class.name,
xmin=rect.left,
ymin=rect.top,
xmax=rect.right,
ymax=rect.bottom)
writer.save(pascal_ann_path)
save_images_lists(lists_dir, samples_by_tags)
def _do_infer_annotate(self, img: np.ndarray, ann: Annotation) -> Annotation:
result_ann = ann.clone()
model_labels = []
roi_bbox_labels = []
for roi in self._sliding_windows.get(ann.img_size):
raw_roi_ann = _get_annotation_for_bbox(img, roi, self._model)
# Accumulate all the labels across the sliding windows to potentially run non-max suppression over them.
# Only retain the classes that will be eventually saved to avoid running NMS on objects we will
# throw away anyway.
model_labels.extend([
label for label in raw_roi_ann.labels
if isinstance(label.geometry, Rectangle) and self._model_class_mapper.map(label.obj_class) is not None])
model_img_level_tags = make_renamed_tags(
raw_roi_ann.img_tags, self._model_tag_meta_mapper, skip_missing=True)
roi_bbox_labels.extend(
_maybe_make_bbox_label(roi, self._intermediate_bbox_class, tags=model_img_level_tags))
nms_conf = self._config.get(NMS_AFTER, {ENABLE: False})
if nms_conf[ENABLE]:
confidence_tag_name = nms_conf.get(CONFIDENCE_TAG_NAME, CONFIDENCE)
model_labels = self._general_nms(
labels=model_labels, iou_thresh=nms_conf[IOU_THRESHOLD], confidence_tag_name=confidence_tag_name)
model_labels_renamed = _replace_or_drop_labels_classes(
model_labels, self._model_class_mapper, self._model_tag_meta_mapper)
result_ann = result_ann.add_labels(roi_bbox_labels + model_labels_renamed)
return result_ann
def _make_final_ann(self, result_ann):
frontend_compatible_labels = _remove_backend_only_labels(result_ann.labels)
return Annotation(img_size=result_ann.img_size,
labels=frontend_compatible_labels,
img_tags=result_ann.img_tags,
img_description=result_ann.img_description,
pixelwise_scores_labels=result_ann.pixelwise_scores_labels)
def adjust_annotations(ann_paths, meta, progress):
for ann_path in ann_paths:
temp_json_data = None
with open(ann_path, 'r') as annotation_file:
temp_annotation = Annotation.from_json(json.load(annotation_file),
meta)
# Adjust Image dimension infos for annotation file
new_img_size = tuple(
map(lambda dim: dim + fsoco.FSOCO_IMPORT_BORDER_THICKNESS * 2,
temp_annotation.img_size))
temp_annotation._img_size = new_img_size
# Transform labels according to borders added by watermarking
#translate_label = (lambda label: [label.translate(drow=fsoco.FSOCO_IMPORT_BORDER_THICKNESS, dcol=fsoco.FSOCO_IMPORT_BORDER_THICKNESS)])
#temp_annotation.transform_labels(translate_label)
temp_labels = []
for label in temp_annotation._labels:
# Do stuff to labels
# Add border thickness once to each dimension of the bbox points.
temp_label = label.translate(
fsoco.FSOCO_IMPORT_BORDER_THICKNESS,
fsoco.FSOCO_IMPORT_BORDER_THICKNESS)
temp_labels.append(temp_label)
temp_annotation._labels = temp_labels
# Save transformed annotation
temp_json_data = temp_annotation.to_json()
with open(ann_path, 'w') as annotation_file:
annotation_file.write(json.dumps(temp_json_data))
progress.iter_done_report()
def inference(self, img, ann):
# Rescale with proportions and pad image to model input size
min_side_coef = min(self.input_size[0] / float(img.shape[0]),
self.input_size[1] / float(img.shape[1]))
img_resized = cv2.resize(img,
dsize=None,
fx=min_side_coef,
fy=min_side_coef,
interpolation=cv2.INTER_CUBIC)
img_padded = cv2.copyMakeBorder(
img_resized,
0,
self.input_size[0] - img_resized.shape[0],
0,
self.input_size[1] - img_resized.shape[1],
cv2.BORDER_CONSTANT,
value=0)
preds = self.sess.run(self.pred_holder,
feed_dict={self.image_tensor: img_padded})[0]
preds = np.argmax(preds, axis=2)
# Un-pad and rescale prediction to original image size
preds = preds[0:img_resized.shape[0], 0:img_resized.shape[1]]
preds = cv2.resize(preds, (img.shape[1], img.shape[0]),
interpolation=cv2.INTER_NEAREST)
labels = raw_to_labels.segmentation_array_to_sly_bitmaps(
self.out_class_mapping, preds)
return Annotation(img_size=ann.img_size, labels=labels)
def single_inference_process_fn(inference_initializer, inference_mode_config,
in_project_meta_json, request_queue,
response_queue):
"""Loads a separate model, processes requests from request_queue, results go to result_queue.
None request signals the process to finish.
"""
single_image_inference = inference_initializer()
inference_mode = InferenceModeFactory.create(
inference_mode_config, ProjectMeta.from_json(in_project_meta_json),
single_image_inference)
out_meta_json = inference_mode.out_meta.to_json()
req = ''
while req is not None:
req = request_queue.get()
if req is not None:
in_img = sly_image.read(req.item_paths.img_path)
in_ann = Annotation.load_json_file(req.item_paths.ann_path,
inference_mode.out_meta)
ann = inference_mode.infer_annotate(in_img, in_ann)
resp = InferenceResponse(ds_name=req.ds_name,
item_name=req.item_name,
item_paths=req.item_paths,
ann_json=ann.to_json(),
meta_json=out_meta_json)
response_queue.put(resp)
request_queue.task_done()
def verify_data(orig_ann: Annotation, classes_matching: dict, res_project_meta: ProjectMeta) -> Annotation:
ann = orig_ann.clone()
imsize = ann.img_size
for first_class, second_class in classes_matching.items():
mask1 = np.zeros(imsize, dtype=np.bool)
mask2 = np.zeros(imsize, dtype=np.bool)
for label in ann.labels:
if label.obj_class.name == first_class:
label.geometry.draw(mask1, True)
elif label.obj_class.name == second_class:
label.geometry.draw(mask2, True)
iou_value = _compute_masks_iou(mask1, mask2)
tag_meta = res_project_meta.img_tag_metas.get(make_iou_tag_name(first_class))
tag = Tag(tag_meta, iou_value)
ann.add_tag(tag)
fp_mask = _create_fp_mask(mask1, mask2)
if fp_mask.sum() != 0:
fp_object_cls = res_project_meta.obj_classes.get(make_false_positive_name(first_class))
fp_geom = Bitmap(data=fp_mask)
fp_label = Label(fp_geom, fp_object_cls)
ann.add_label(fp_label)
fn_mask = _create_fn_mask(mask1, mask2)
if fn_mask.sum() != 0:
fn_object_cls = res_project_meta.obj_classes.get(make_false_negative_name(first_class))
fn_geom = Bitmap(data=fn_mask)
fn_label = Label(fn_geom, fn_object_cls)
ann.add_label(fn_label)
return ann
def set_ann(self, item_name: str, ann: Annotation):
if type(ann) is not Annotation:
raise TypeError(
"Type of 'ann' have to be Annotation, not a {}".format(
type(ann)))
dst_ann_path = self.get_ann_path(item_name)
dump_json_file(ann.to_json(), dst_ann_path)
def _do_infer_annotate(self, img: np.ndarray, ann: Annotation) -> Annotation:
result_ann = ann.clone()
all_pixelwise_scores_labels = []
for roi in self._sliding_windows.get(ann.img_size):
raw_roi_ann = _get_annotation_for_bbox(img, roi, self._model)
all_pixelwise_scores_labels.extend(raw_roi_ann.pixelwise_scores_labels)
model_img_level_tags = make_renamed_tags(raw_roi_ann.img_tags, self._model_img_tag_meta_mapper,
make_renamed_tags)
result_ann = result_ann.add_labels(
_maybe_make_bbox_label(roi, self._intermediate_bbox_class, tags=model_img_level_tags))
model_class_name_to_id = {name: idx
for idx, name in enumerate(set(label.obj_class.name
for label in all_pixelwise_scores_labels))}
id_to_class_obj = {idx: self._model.model_out_meta.obj_classes.get(name)
for name, idx in model_class_name_to_id.items()}
summed_scores = np.zeros(ann.img_size + tuple([len(model_class_name_to_id)]))
for label in all_pixelwise_scores_labels:
class_idx = model_class_name_to_id[label.obj_class.name]
label_matching_summer_scores = label.geometry.to_bbox().get_cropped_numpy_slice(summed_scores)
label_matching_summer_scores[:, :, class_idx, np.newaxis] += label.geometry.data
# TODO consider instead filtering pixels by all-zero scores.
if np.sum(summed_scores, axis=2).min() == 0:
raise RuntimeError('Wrong sliding window moving, implementation error.')
aggregated_model_labels = raw_to_labels.segmentation_array_to_sly_bitmaps(id_to_class_obj,
np.argmax(summed_scores, axis=2))
result_ann = result_ann.add_labels(
replace_labels_classes(aggregated_model_labels, self._model_class_mapper, skip_missing=True))
return result_ann
def load_ann(ann_fpath, classes_mapping, project_meta):
ann_packed = load_json_file(ann_fpath)
ann = Annotation.from_json(ann_packed, project_meta)
# ann.normalize_figures() # @TODO: enaaaable!
(h, w) = ann.img_size
gt_boxes, classes_text, classes = [], [], []
for label in ann.labels:
gt = np.zeros((h, w), dtype=np.uint8) # default bkg
gt_idx = classes_mapping.get(label.obj_class.name, None)
if gt_idx is None:
raise RuntimeError(
'Missing class mapping (title to index). Class {}.'.format(
label.obj_class.name))
label.geometry.draw(gt, 1)
if np.sum(gt) > 0:
xmin, ymin, xmax, ymax = get_bbox(gt)
gt_boxes.append([ymin / h, xmin / w, ymax / h, xmax / w])
classes_text.append(label.obj_class.name.encode('utf8'))
# List of string class name of bounding box (1 per box)
classes.append(
gt_idx) # List of integer class id of bounding box (1 per box)
num_boxes = len(gt_boxes)
gt_boxes = np.array(gt_boxes).astype(np.float32)
classes = np.array(classes, dtype=np.int64)
if num_boxes == 0:
gt_boxes = np.reshape(gt_boxes, [0, 4])
return gt_boxes, classes, np.array([num_boxes]).astype(np.int32)[0]
def rotate(img: np.ndarray, ann: Annotation, degrees: float, mode: str=RotationModes.KEEP) ->\
(np.ndarray, Annotation): # @TODO: add "preserve_size" mode
"""
Rotates the image by random angle.
Args:
img: Input image array.
ann: Input annotation.
degrees: Rotation angle, counter-clockwise.
mode: parameter: "keep" - keep original image data, then new regions will be filled with black color;
"crop" - crop rotated result to exclude black regions;
Returns:
A tuple containing rotated image array and annotation.
"""
_validate_image_annotation_shape(img, ann)
rotator = ImageRotator(img.shape[:2], degrees)
if mode == RotationModes.KEEP:
rect_to_crop = None
elif mode == RotationModes.CROP:
rect_to_crop = rotator.inner_crop
else:
raise NotImplementedError('Wrong black_regions mode.')
res_img = rotator.rotate_img(img, use_inter_nearest=False)
res_ann = ann.rotate(rotator)
if rect_to_crop is not None:
res_img = sly_image.crop(res_img, rect_to_crop)
res_ann = res_ann.relative_crop(rect_to_crop)
return res_img, res_ann
def crop(img: np.ndarray,
ann: Annotation,
top_pad: int = 0,
left_pad: int = 0,
bottom_pad: int = 0,
right_pad: int = 0) -> (np.ndarray, Annotation):
"""
Crops the given image array and annotation from all sides with the given values.
Args:
img: Input image array.
ann: Input annotation.
top_pad: The size in pixels of the piece of picture that will be cut from the top side.
left_pad: The size in pixels of the piece of picture that will be cut from the left side.
bottom_pad: The size in pixels of the piece of picture that will be cut from the bottom side.
right_pad: The size in pixels of the piece of picture that will be cut from the right side.
Returns:
A tuple containing cropped image array and annotation.
"""
_validate_image_annotation_shape(img, ann)
height, width = img.shape[:2]
crop_rect = Rectangle(top_pad, left_pad, height - bottom_pad - 1,
width - right_pad - 1)
res_img = sly_image.crop(img, crop_rect)
res_ann = ann.relative_crop(crop_rect)
return res_img, res_ann
def run_inference(self):
inference_mode = InferenceModeFactory.create(
self._inference_mode_config, self._in_project.meta,
self._single_image_inference)
out_project = Project(
os.path.join(TaskPaths.RESULTS_DIR, self._in_project.name),
OpenMode.CREATE)
out_project.set_meta(inference_mode.out_meta)
progress_bar = Progress('Model applying: ',
self._in_project.total_items)
for in_dataset in self._in_project:
out_dataset = out_project.create_dataset(in_dataset.name)
for in_item_name in in_dataset:
# Use output project meta so that we get an annotation that is already in the context of the output
# project (with added object classes etc).
in_item_paths = in_dataset.get_item_paths(in_item_name)
in_img = sly_image.read(in_item_paths.img_path)
in_ann = Annotation.load_json_file(in_item_paths.ann_path,
inference_mode.out_meta)
logger.trace('Will process image',
extra={
'dataset_name': in_dataset.name,
'image_name': in_item_name
})
inference_annotation = inference_mode.infer_annotate(
in_img, in_ann)
out_dataset.add_item_file(in_item_name,
in_item_paths.img_path,
ann=inference_annotation)
progress_bar.iter_done_report()
report_inference_finished()
def filter_objects_by_area(ann: Annotation, classes: List[str], comparator=operator.lt,
thresh_percent: float = None) -> Annotation: # @ TODO: add size mode
"""
Deletes labels less (or greater) than specified percentage of image area.
Args
ann: Input annotation.
classes: List of classes to filter.
comparator: Comparison function.
thresh_percent: Threshold percent value of image area.
Returns:
Annotation containing filtered labels.
"""
imsize = ann.img_size
img_area = float(imsize[0] * imsize[1])
def _del_filter_percent(label: Label):
if label.obj_class.name in classes:
fig_area = label.area
area_percent = 100.0 * fig_area / img_area
if comparator(area_percent, thresh_percent): # satisfied condition
return [] # action 'delete'
return [label]
return ann.transform_labels(imsize, _del_filter_percent)
def inference(self, image, ann):
res_labels = inference_lib.infer_on_image(image, self.graph,
self.model,
self.idx_to_class_title,
self.model_out_meta,
self.confidence_tag_meta)
return Annotation(ann.img_size, labels=res_labels)
def infer_annotate(self, img: np.ndarray, ann: Annotation):
result_ann = self._do_infer_annotate(img, ann)
frontend_compatible_labels = _remove_backend_only_labels(
result_ann.labels)
return Annotation(img_size=result_ann.img_size,
labels=frontend_compatible_labels,
img_tags=result_ann.img_tags,
img_description=result_ann.img_description)
def inference(self, img, ann):
output = infer_on_img(img, self.input_size, self.model)
tag_id = np.argmax(output)
score = output[tag_id]
tag_name = self.idx_to_classification_tags[tag_id]
tag = Tag(self.classification_tags.get(tag_name), round(float(score), 4))
tags = TagCollection([tag])
return Annotation(ann.img_size, img_tags=tags)
def inference(self, img, ann):
resized_img = cv2.resize(img, self.input_size[::-1])
model_input = input_image_normalizer(resized_img)
pixelwise_probas_array = pytorch_inference.infer_per_pixel_scores_single_image(
self.model, model_input, img.shape[:2])
labels = raw_to_labels.segmentation_array_to_sly_bitmaps(
self.out_class_mapping, np.argmax(pixelwise_probas_array, axis=2))
pixelwise_scores_labels = raw_to_labels.segmentation_scores_to_per_class_labels(
self.out_class_mapping, pixelwise_probas_array)
return Annotation(ann.img_size, labels=labels, pixelwise_scores_labels=pixelwise_scores_labels)
def _do_infer_annotate(self, img: np.ndarray, ann: Annotation) -> Annotation:
result_ann = ann.clone()
inference_result_ann = self._model.inference(img, ann)
result_ann = result_ann.add_labels(
replace_labels_classes(inference_result_ann.labels, self._model_class_mapper, skip_missing=True))
renamed_tags = make_renamed_tags(inference_result_ann.img_tags,
self._model_img_tag_meta_mapper,
skip_missing=True)
result_ann = result_ann.add_tags(renamed_tags)
return result_ann
def _do_infer_annotate(self, img: np.ndarray, ann: Annotation) -> Annotation:
result_ann = ann.clone()
roi = _make_cropped_rectangle(ann.img_size, self._config[BOUNDS])
roi_ann = _get_annotation_for_bbox(img, roi, self._model)
result_ann = result_ann.add_labels(
replace_labels_classes(roi_ann.labels, self._model_class_mapper, skip_missing=True))
img_level_tags = make_renamed_tags(roi_ann.img_tags, self._model_img_tag_meta_mapper, skip_missing=True)
result_ann = result_ann.add_labels(
_maybe_make_bbox_label(roi, self._intermediate_bbox_class, tags=roi_ann.img_tags))
result_ann = result_ann.add_tags(img_level_tags)
return result_ann
def _do_infer_annotate_generic(self, inference_fn, img, ann: Annotation):
result_ann = ann.clone()
inference_result_ann = inference_fn(img, ann)
result_ann = result_ann.add_labels(
_replace_or_drop_labels_classes(
inference_result_ann.labels, self._model_class_mapper, self._model_tag_meta_mapper))
renamed_tags = make_renamed_tags(inference_result_ann.img_tags,
self._model_tag_meta_mapper,
skip_missing=True)
result_ann = result_ann.add_tags(renamed_tags)
return result_ann
def instance_crop(img: np.ndarray,
ann: Annotation,
class_title: str,
save_other_classes_in_crop: bool = True,
padding_config: dict = None) -> list:
"""
Crops objects of specified classes from image with configurable padding.
Args:
img: Input image array.
ann: Input annotation.
class_title: Name of class to crop.
save_other_classes_in_crop: save non-target classes in each cropped annotation.
padding_config: Dict with padding
Returns:
List of cropped [image, annotation] pairs.
"""
padding_config = take_with_default(padding_config, {})
_validate_image_annotation_shape(img, ann)
results = []
img_rect = Rectangle.from_size(img.shape[:2])
if save_other_classes_in_crop:
non_target_labels = [
label for label in ann.labels
if label.obj_class.name != class_title
]
else:
non_target_labels = []
ann_with_non_target_labels = ann.clone(labels=non_target_labels)
for label in ann.labels:
if label.obj_class.name == class_title:
src_fig_rect = label.geometry.to_bbox()
new_img_rect = _rect_from_bounds(padding_config,
img_w=src_fig_rect.width,
img_h=src_fig_rect.height)
rect_to_crop = new_img_rect.translate(src_fig_rect.top,
src_fig_rect.left)
crops = rect_to_crop.crop(img_rect)
if len(crops) == 0:
continue
rect_to_crop = crops[0]
image_crop = sly_image.crop(img, rect_to_crop)
cropped_ann = ann_with_non_target_labels.relative_crop(
rect_to_crop)
label_crops = label.relative_crop(rect_to_crop)
for label_crop in label_crops:
results.append((image_crop, cropped_ann.add_label(label_crop)))
return results
def _set_ann_by_type(self, item_name, ann):
if ann is None:
img_size = sly_image.read(self.get_img_path(item_name)).shape[:2]
self.set_ann(item_name, Annotation(img_size))
elif type(ann) is Annotation:
self.set_ann(item_name, ann)
elif type(ann) is str:
self.set_ann_file(item_name, ann)
elif type(ann) is dict:
self.set_ann_dict(item_name, ann)
else:
raise TypeError("Unsupported type {!r} for ann argument".format(
type(ann)))