Based on non-local theory, the damage variable is non-local variable and is dependent on local damage variable and its second spatial gradient.
基于非局部理论，将损伤变量作为非局部变量，它与局部损伤变量及其二阶梯度有关。
Then, a multiscale morphology gradient-based watershed segmentation algorithm is introduced to segment the video frame in the spatial domain.
然后，引入基于多尺度形态梯度的分水岭分割算法，对图像进行空域分割。
In this paper, we will use spatial econometric analysis and static comparison analysis methods to study on the regional spatial impact and time gradient changes of Beijing-Shanghai Railway.
本文采用空间计量分析和比较静态分析的方法，研究京沪铁路对沿线区域空间结构的影响以及这种影响的时间梯度变化。
The spatial pattern of annual water balance (surplus) values obviously increased with the increasing elevation gradient.
总的来说，年水分盈余的空间分布随海拔升高呈明显增加的趋势。
Image restoration is an important research subject in image processing. Image gray or gradient magnitude is used in most of image restoration algorithm and spatial information is not adopted.
图像复原是图像处理中一个重要的研究课题。大部分图像复原算法，都只是单纯地利用图像灰度或梯度信息，并没有考虑图像的空间结构信息。
By index evaluation and empirical analysis, we discuss the pattern and time gradient of Beijing-Shanghai railway's effects on regional spatial structure.
通过比较回归方程系数的大小变化、正负变化，研究京沪铁路对经济、社会、资源、环境的影响变化情况。
By index evaluation and empirical analysis, we discuss the pattern and time gradient of Beijing-Shanghai railway's effects on regional spatial structure.
通过比较回归方程系数的大小变化、正负变化，研究京沪铁路对经济、社会、资源、环境的影响变化情况。
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