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feat(validate_t4_dataset): add nbr_samples checker, sample token checker #127

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feat(validate_t4_dataset): add nbr_samples checker, sample token checker #127

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fefd4fc
add nbr_samples checker, sample token checker
miursh Jul 9, 2024
fa00696
Update perception_dataset/t4_dataset/format_validator.py
miursh Jul 23, 2024
64e3c6e
Update perception_dataset/t4_dataset/format_validator.py
miursh Jul 23, 2024
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11 changes: 11 additions & 0 deletions perception_dataset/t4_dataset/format_validator.py
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Original file line number Diff line number Diff line change
Expand Up @@ -70,13 +70,20 @@ def validate_scene(nusc: NuScenes):
nusc, "sample", scene["last_sample_token"]
), "scene.last_sample_token isn't found in log"

assert nusc.scene[0]["nbr_samples"] == len(
nusc.sample
), "scene.nbr_samples isn't equal to the number of samples."


@_logger_wrapper
def validate_sample(nusc: NuScenes):
assert len(nusc.sample) > 0, "There are no sample."

no_next_token_count: int = 0
no_prev_token_count: int = 0
sample_annotation_referred_sample_tokens = [
ann["sample_token"] for ann in nusc.sample_annotation
]
for sample in nusc.sample:
assert find_in_table(
nusc, "scene", sample["scene_token"]
Expand All @@ -96,6 +103,10 @@ def validate_sample(nusc: NuScenes):
nusc, "sample", prev_token
), "sample.prev_token isn't found in sample."

assert (
sample["token"] in sample_annotation_referred_sample_tokens
), "sample.token isn't found in sample_annotation."

assert no_next_token_count == len(
nusc.scene
), f"There are more than {len(nusc.scene)} sample of empty scene.next."
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