ria-toolkit-oss/src/ria_toolkit_oss/annotations/annotation_transforms.py
M madrigal 8a66860d33
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Moved all contents of to , refactored accordingly
2026-04-21 14:38:06 -04:00

56 lines
1.7 KiB
Python

from ria_toolkit_oss.data.annotation import Annotation
# TODO figure out how to transfer labels in the merge case
def remove_contained_boxes(annotations: list[Annotation]):
"""
Remove all annotations (bounding boxes) that are entirely contained within other boxes in the list.
:param annotations: A list of Annotation objects.
:type annotations: list[Annotation]
:returns: A new list of Annotation objects.
:rtype: list[Annotation]"""
output_boxes = []
for i in range(len(annotations)):
contained = False
for j in range(len(annotations)):
if i != j and is_annotation_contained(annotations[i], annotations[j]):
contained = True
break
if not contained:
output_boxes.append(annotations[i])
return output_boxes
def is_annotation_contained(inner: Annotation, outer: Annotation) -> bool:
"""
Check if an annotation box is entirely contained within another annotation bounding box.
:param inner: The inner box.
:type inner: Annotation.
:param outer: The outer box.
:type outer: Annotation.
:returns: True if inner is within outer, false otherwise.
:rtype: bool
"""
inner_sample_stop = inner.sample_start + inner.sample_count
outer_sample_stop = outer.sample_start + outer.sample_count
if inner.sample_start > outer.sample_start and inner_sample_stop < outer_sample_stop:
if inner.freq_lower_edge > outer.freq_lower_edge and inner.freq_upper_edge < outer.freq_upper_edge:
return True
return False
def merge_annotations(annotations: list[Annotation], overlap_threshold) -> list[Annotation]:
raise NotImplementedError