在广义形态滤波器的基础上，与金字塔算法结合，提出了一种新的血管减影图像滤波器——多SE形态金字塔它利用不同的结构元在金字塔的各层图像上进行形态运算，达到多尺度滤出噪声，同时尽可能多地保留图像几何特征的目的还给出了实例，并与传统的形态金字塔进行比较结果表明，新滤波器具有更好的噪声抑制和细节保持能力。 Based on the generalized morphological filter, combined with the pyramid algorithm, a new image subtraction filter for blood vessels is proposed. The multi-SE morphological pyramid uses different structural elements to perform morphological operations on the images of pyramids, An example is given for the purpose of multi-scale filtering out noise while preserving the geometric features of the image as much as possible. Compared with the traditional morphological pyramid, the results show that the new filter has better noise suppression and detail preserving ability.