27. The non-transitory computer readable medium of claim 21 , wherein pruning the one or more branches of the detected centerline tree of the target vessel based on the final probability scores of the plurality of centerline points in the one or more branches of the detected centerline tree of the target vessel comprises: classifying each of the plurality of centerline points in the one or more branches of the detected centerline tree of the target vessel as a vessel point or a non-vessel point based on the final probability scores of the plurality of centerline points; and pruning the one or more branches of the detected centerline tree of the target vessel based on the classification of each of the plurality of centerline points as a vessel point or a non-vessel point.
27. The non-transitory computer readable medium of claim 21 , wherein pruning the one or more branches of the detected centerline tree of the target vessel based on the final probability scores of the plurality of centerline points in the one or more branches of the detected centerline tree of the target vessel comprises: classifying each of the plurality of centerline points in the one or more branches of the detected centerline tree of the target vessel as a vessel point or a non-vessel point based on the final probability scores of the plurality of centerline points; and pruning the one or more branches of the detected centerline tree of the target vessel based on the classification of each of the plurality of centerline points as a vessel point or a non-vessel point. 31. The non-transitory computer readable medium of claim 27 , wherein pruning the one or more branches of the detected centerline tree of the target vessel based on the classification of each of the plurality of centerline points as a vessel point or a non-vessel point comprises: for each branch of the one or more branches of the detected centerline, starting from a most distal centerline point in the branch, pruning the branch at a first centerline point classified as a vessel point.