After further study, the complex wavelet of subpixel technic was raised.
在此基础上进一步研究,又提出一种基于复小波的亚像元复原方法。
参考来源 - 面向遥感图像的倒易晶胞复原方法研究Using complex wavelet transform, image is decomposed into subimages in multiresolution and different orientations.
通过把图像进行复数小波变换,把图像分解成多尺度的不同方向上的复值子图。
参考来源 - 基于多尺度多方向相位匹配的立体视觉方法A fast algorithm for Wavelet Transform is also proposed and applied in the extraction of the phase change rate for complex wavelet transform of stable-state stator current, which can detect broken rotor bar faults effectively.
由连续小波变换离散化得到的离散小波变换算法运算量大,计算速度慢,本文提出了一种小波变换快速算法,它利用递推方法计算小波系数,运算速度很快。 本文将该快速算法应用到电机稳态电流信号复值小波变换的相对相位变化率提取中,用以诊断异步电机的转子故障。
参考来源 - 小波变换在电机故障诊断与测试中的应用研究Study the period change of earth polar shift by the complex wavelet analysis, the result correspond to others work very well.3.
2.用复小波分析研究了地球极移的周期变化,所得结果与前人的研究成果可互相印证。
参考来源 - 混沌、分形及小波分析的若干应用A method in which the phase information of complex wavelet transform coefficients is applied to analyze the signal mutation is analyzed.
在分析利用复值小波变换系数的相位信息分析信号突变的方法的基础上,针对利用小波变换算法得到的相位图不连续的问题,提出了改进相位图。
参考来源 - 利用复值小波变换检测轻微的电力系统扰动Nevertheless, there are still many problems left unsolved in the complex wavelet domain.
然而在复数小波领域还存在着许多待解决的问题。
参考来源 - 全局最优化复数小波的设计及其应用研究·2,447,543篇论文数据,部分数据来源于NoteExpress
This article proposes to utilize the dual-tree complex wavelet transformation to the core image denoising, and good effect is obtained.
岩心图像的去噪是后续的目标检测与定量分析的关键。
The image denoising method is proposed based on dual tree complex wavelet transform, which can do better both in features preserving and noise removing.
将对偶树复小波变换应用于图像去噪,可以更好地表示图像的边缘和纹理特征,从而得到较小波更好的去噪效果。
The results show that the EWC threshold method of complex wavelet transform can effectively suppress the periodic narrowband interference from GIS UHF PD signals.
研究结果表明:基于EWC阈值法的复小波变换能够有效地抑制GIS特高频PD信号中的周期性窄带干扰。
应用推荐