Three-dimensional ultrasonic reconstruction method and device and ultrasonic system

The embodiment of the invention is suitable for the technical field of ultrasonic imaging, and provides a three-dimensional ultrasonic reconstruction method and device and an ultrasonic system.The method comprises the steps that when a two-dimensional ultrasonic image is collected, a plurality of pixel points in the two-dimensional ultrasonic image are divided into a plurality of threads, and any thread has a pre-constructed thread accumulation data table; determining a voxel point mapped by each pixel point in a three-dimensional space; the voxel scalar value of each voxel point is stored in a thread accumulation data table of a thread where the corresponding pixel point is located; based on the thread accumulation data table of each thread, calculating a target voxel scalar value of each voxel point; and reconstructing a three-dimensional ultrasonic image according to the target voxel scalar value of each voxel point. By adopting the method, the speed of three-dimensional ultrasonic reconstruction can be in