To overcome the difficulty of manual threshold selection and slow speed of conventional region growing image segmentation algorithm, a region evolution image segmentation algorithm is proposed.
为克服经典区域增长算法中门限选择困难、分割稳定性不高与串行处理速度慢的不足，提出了基于区域进化的快速区域增长图像分割算法。
When the value of sound intensity is below or above the threshold value, variations of various parameters can have some different effects on evolution process of ultrasonic-cavitation bubble.
在低于和高于瞬稳态空化转化阀值的情况下，各种参数对空化气泡运动过程的影响均有不同的变化。
When the value of sound intensity is below or above the threshold value, variations of various parameters can have some different effects on evolution process of ultrasonic-cavitation bubble.
在低于和高于瞬稳态空化转化阀值的情况下，各种参数对空化气泡运动过程的影响均有不同的变化。
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