neighborhood averaging meaning in English

邻域平均法

It includes the following aspects : adopting the partial differential equations and neighborhood average smoothing methods to reduce image noises . mapping the rgb three - color and gray scale histogram to study - 3 - the relationship of flame features and temperature field distribution . the methods of calculate important parameters about the average gray value , the flame area and the flame shape center coordinate are given
采用图象相加、偏微分、邻域平均等方法来消除图象噪声；绘制图象的r 、 g 、 b三色直方图来研究火焰幅度特征分布与温度分布的关系；给出计算平均灰度、火焰面积大小、火焰形心坐标等重要参数的方法；用彩色等温区或等温线重构温度场分布。
In the pretreatment of these images , the speckle noise model has been improved in this dissertation . on the basis of traditional methods of neighborhood averaging and low - pass filtering , the methods of adaptive histogram enhancement and the improved adaptive weighted median filter have been presented , and the noise has been reduced greatly
在图像的预处理的过程中，论文首先改进了超声图像的speckle噪声模型，其次在借鉴传统的方法的基础上，提出并实现了自适应图像增强和自适应滤波处理方法，较好地抑制了噪声。