提出了一种传统的指纹图像分割算法——方差法的改进算法。
An improved algorithm of the traditional fingerprint image segmentation algorithm-variance method is proposed.
对最大类间方差法的改进主要表现在两个方面：建立阈值的评价准则和提高算法的运行速度。
The improvement in Ostu algorithm is represented in two aspects: establishing evaluation rules of segmentation threshold and accelerating the algorithm's operation.
在对采集的实时序列图像进行滤波处理后，本文通过改进最大类间方差法，并将其和自适应波门跟踪方法结合起来实现运动目标的跟踪。
After preprocessing the sampled real-time image sequences, moving target tracking is realized by combining improved Ostu algorithm and adaptive window tracing method.
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