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This dataset originates from Guangdong Provincial People's Hospital and contains cardiac CT images from 92 patients. Image dimensions are 512 × 512 × (137‑251) with a typical voxel size of 0.25 × 0.25 × 0.5 mm³. Experienced radiologists performed precise annotations, taking approximately one hour per CT scan. The dataset includes ten labels: left ventricle, right ventricle, left atrium, right atrium, aorta, pulmonary artery, myocardium, superior vena cava, inferior vena cava, and pulmonary veins.
