The grey level processing in a sampling window is a very important method for image transforming.
窗口灰阶处理是一种具有重要意义的图象变换方法。
The weighted value is connected with the position of value range block in the image and the grey changing level of value range block. The way we chose is consistent with HVS characteristic.
权值的取值与值域块在图像中的位置有关，同时与值域块的灰度变化水平有关。
In the candidate building area searching step, an image segmentation method based on grey level co-occurrence matrix (GLCM) is adopted to get candidate building areas in an urban image.
在建筑物候选区域的寻找阶段，本文主要采用了一种基于灰度共生矩阵的方法对图像进行分割，从分割结果中得到建筑物的候选区域。
Image registration methods are commonly classified into two types: the methods based on grey level information and the methods based on feature information.
图像配准方法基本可以分为基于灰度和基于特征这两大类图像配准方法。
An utility method of interactive image grey level transformation is introduced in this paper.
本文阐述了一种实用的交互式图象灰度变换方法。
For regions with high grey-scale level or with tensely variable grey level, the image enhancement coefficients shall be adaptively controlled based on local mean value and variance.
针对图像中的高灰度区和灰度剧变区，应用图像局部均值和方差自适应调节增强系数。
This paper presents a method of using the information of color, grey level and space as image feature.
提出一种综合图像的色彩信息、灰度信息和空间信息提取图像的特征向量的方法。
By taking the image to be compressed as a grey-level surface of some fractal brown motion, the fractal dimension of this surface gives out a good description of its texture characteristics.
把灰度图像看作是某种分数布朗运动形成的(分形)灰度表面，并用这种灰度表面的分形维数来刻画它的纹理粗糙程度。
An algorithm of distinguishing day and night with image statistics is proposed based on the analysis of the characteristics of the grey level of actual road surface.
该算法通过对实际路面的平均灰度值随时间变化趋势进行了统计学习，寻找出随天气季节变化的昼夜区分时间。
Then, the image grey level of every subimage is approximated by low-order polynomial according to least-square criterion.
然后各子图内像素灰度值以低阶多项式表示，依最小二乘准则以多项式逼近原图像的子图像。
The filter is put on the power spectrum before applying the inverse Fourier transform to yield the correlation output. This technique can be used in pattern recognition of grey level input image.
将这种滤波器放置在傅里叶反变换产生相关输出之前的联合功率谱面上，该技术可以应用在具有不同灰度图像的模式识别中。
The realization process comprises the following steps: (1) extracting grey level value characteristic, grey level co-occurrence characteristic or wavelet characteristic from an image to be segmented;
其实现过程是：（1）对待分割图像提取灰度值特征，灰度共生特征或小波特征；
Based on grey level mathematical morphology, this paper presents a newly developed approach to extract road network from high-resolution remotely sensed image.
基于灰度形态学，提出一种从高分辨率遥感图像提取道路网络的方法。首先利用灰度形态特征对遥感影像进行分割，进而得到基本的道路网络轮廓。
Based on grey level mathematical morphology, this paper presents a newly developed approach to extract road network from high-resolution remotely sensed image.
基于灰度形态学，提出一种从高分辨率遥感图像提取道路网络的方法。首先利用灰度形态特征对遥感影像进行分割，进而得到基本的道路网络轮廓。
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