使用高斯函数的一阶导数作为基本小波，对曲线的方向角函数进行多尺度小波分析得到候选点集，提出了四个筛选规则对候选点集进行逐步筛选得到正确角点集。
Firstly, using the first order derivative of Gaussian function as the base wavelet, the direction Angle function of a planar curve was analyzed on multiple scales to obtain the candidates of corners.
本文以小波分析、不变矩等数学理论和遥感图像边缘检测技术为研究背景，较深入地进行了遥感图像多尺度边缘分割的方法研究。
This dissertation has studied the segmentation method of remote sensing image based on multiscale edge, based on wavelet, invariant moment and the edge detection technique of remote sensing image.
将小波分析方法应用于图像边缘检测领域，小波分析的多尺度算子在抗噪声和保留图像边缘的能力上有比较好的效果。
By applying wavelet analysis method to image edge detection, multi scale operator of wavelet analysis functions well for noise resisting ability and picture edge reserving.
文中以小波分析和信息熵理论为基础，提出了能够反映局部数据信息有序度大小的小波多尺度熵信息提取方法。
Based on the theory of wavelet analysis and information entropy, the wavelet multi-scale entropy that describes the ordering degree in local data has been proposed in this paper.
小波分析理论是近年来广泛使用于图像处理领域的有效工具之一，具有时域和频域的双重局部性、多尺度分析、计算的快速性等特点。
The wavelet transform theory is one of the effective tools mat widely apply to image processing recently, which have charicrictics of multiresolution analysis, fast working time, etc.
介绍了小波多尺度分析的数学原理，以三峡13期流动重力资料为例进行了小波分解。
The mathematic principle of wavelet multi-scale analysis is introduced. The 13 terms of gravity data, which are observed in the Three Gorges region, are decomposed by wavelet method.
介绍了小波多尺度分析的数学原理，以三峡13期流动重力资料为例进行了小波分解。
The mathematic principle of wavelet multi-scale analysis is introduced. The 13 terms of gravity data, which are observed in the Three Gorges region, are decomposed by wavelet method.
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