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Adjust annotation keypoints output to follow the defined order of keypoints #199

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merged 1 commit into from
Jan 11, 2024
Merged

Adjust annotation keypoints output to follow the defined order of keypoints #199

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18 changes: 8 additions & 10 deletions fastlabel/converters.py
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Original file line number Diff line number Diff line change
Expand Up @@ -233,7 +233,7 @@ def __to_coco_annotation(data: dict) -> dict:
annotation_id,
points,
keypoints,
category["id"],
category,
image_id,
annotation_type,
annotation_attributes,
Expand All @@ -249,13 +249,11 @@ def __get_coco_category_by_name(categories: list, name: str) -> Optional[dict]:
return None


def __get_coco_annotation_keypoints(keypoints: list) -> list:
def __get_coco_annotation_keypoints(keypoints: list, category_keypoints: list) -> list:
coco_annotation_keypoints = []
for keypoint in keypoints:
value = keypoint["value"]
if not value:
coco_annotation_keypoints.extend([0, 0, 0])
continue
keypoint_values = {keypoint["key"]: keypoint["value"] for keypoint in keypoints if keypoint["value"]}
for category_key in category_keypoints:
value = keypoint_values.get(category_key, [0, 0, 0])
# Adjust fastlabel data definition to coco format
visibility = 2 if value[2] == 1 else 1
coco_annotation_keypoints.extend([value[0], value[1], visibility])
Expand All @@ -266,22 +264,22 @@ def __get_coco_annotation(
id_: int,
points: list,
keypoints: list,
category_id: int,
category: dict,
image_id: str,
annotation_type: str,
annotation_attributes: Dict[str, AttributeValue],
) -> dict:
annotation = {}
annotation["num_keypoints"] = len(keypoints) if keypoints else 0
annotation["keypoints"] = (
__get_coco_annotation_keypoints(keypoints) if keypoints else []
__get_coco_annotation_keypoints(keypoints, category["keypoints"]) if keypoints else []
)
annotation["segmentation"] = __to_coco_segmentation(annotation_type, points)
annotation["iscrowd"] = 0
annotation["area"] = __to_area(annotation_type, points)
annotation["image_id"] = image_id
annotation["bbox"] = __to_bbox(annotation_type, points)
annotation["category_id"] = category_id
annotation["category_id"] = category["id"]
annotation["id"] = id_
annotation["attributes"] = annotation_attributes
return annotation
Expand Down