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from mmengine.registry import Registry
EVALUATORS = Registry("evaluators")
def build_evaluator(cfg):
"""Build evaluator."""
return EVALUATORS.build(cfg)
def remove_duplicate_annotations(ants, tol=1e-3):
# remove duplicate annotations (same category and starting/ending time)
valid_events = []
for event in ants:
s, e, l = event["segment"][0], event["segment"][1], event["label"]
# here, we add removing the events whose duration is 0, (HACS)
if e - s <= 0:
continue
valid = True
for p_event in valid_events:
if (
(abs(s - p_event["segment"][0]) <= tol)
and (abs(e - p_event["segment"][1]) <= tol)
and (l == p_event["label"])
):
valid = False
break
if valid:
valid_events.append(event)
return valid_events
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