Secondly, the envelope of heart sounds was extracted by closing operation of mathematical morphology;
然后利用形态学闭运算提取心音包络;
The present invention is breakthrough existing needle knife using range, suitable for chronic soft tissue injury, hyperosteogeny and bone joint bony rigidity closing operation release.
突破了现有针刀的使用范围,适用于慢性软组织损伤、骨质增生 癥、骨关节骨性强直进行闭合性手术松解。
Aim at the conglutination and overlap in cells, researched the method of the opening and closing operation and valley segmentation based on mathematical morphology.