最后，本文给出了该模型的一些改进，利用“弱泄漏”模型来使在平滑过程中对边缘形状进行有效的保持。
At last, it proposes a series of improved algorithm, holding the boundaries shape effectively by a "weak leakage" model in the smoothing process.
以前的一篇文章“用弱引用堵住内存泄漏”给出了一些有用的技巧。
A previous article, "Plugging memory leaks with weak references," offers some helpful techniques.
哪怕及时释放掉了实际的对象，但WPF的弱引用数组还是会继续持有引用，这就导致了内存泄漏。
Even when the actual objects are being released in a timely manner, WPF's arrays of weak references hang around and under stress become the memory leak.
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