Table 2 Summary of the main characteristics of each subset of the DDH dataset, stratified by different tasks.

From: A dataset for quality evaluation of pelvic X-ray and diagnosis of developmental dysplasia of the hip

Type of Annotation

Position of Annotations

Dataset 1

Dataset 2

Outline of Bone

Left Ilium

Yes

No

Right Ilium

Yes

No

Left Hip Obturator

Yes

No

Right Hip Obturator

Yes

No

Key Point

Left Acetabulum Superolateral Margin

Yes

Yes

Right Acetabulum Superolateral Margin

Yes

Yes

Left Tri-Radiate Cartilage Center

Yes

Yes

Right Tri-Radiate Cartilage Center

Yes

Yes

Left Femoral Head Center

Yes

Yes

Right Femoral Head Center

Yes

Yes

Left Midpoint of the Superior Margin of the Ossified Femoral Metaphysis

Yes

Yes

Right Midpoint of the Superior Margin of the Ossified Femoral Metaphysis

Yes

Yes