Averaging method of neighborhood and medium filtering method are used to effectively overcome thermionic noise as result of courses of image transferring, gathering and quantization and so on.
对由于图像采集、传输、量化过程中产生的热电子噪声，利用了邻域平均和加权中值滤波方法来有效地减小。
Signal averaging and adaptive filtering techniques were introduced and the algorithms were given.
主要介绍信号平均技术和自适应滤波技术，并给出算法。
A digital image filtering algorithm of local cluster averaging is described.
本文提出了一种局部集群平均数字图象滤波算法。
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