搜索资源列表
signal-fourier-analysis
- 信号傅里叶变换的matlab程序，包括对幅频和相频的图形绘制-Signal Fourier transform matlab program, including the magnitude and phase frequency of the graphics rendering
chirplet_analasis
- 一种自适应chirplet分解的快速算法 针对信号自适应chirplet分解未知参数多、实现起来比较困难的特点，文献[1]提出了一种新的chirplet分解快速算法。该算法利用计算信号的二次相位函数，得到其能量分布集中于信号的调频率曲线上的结论，此时通过谱峰检测可同时获得chirplet调频率、时间中心和幅度的估计；然后通过解线性调频技术获得其初始频率和宽度的估计，仿真结果验证了本文算法的有效性。 -Chirplet an adaptive decomposition al
1111
- 数字图象处理教程 INTRODUCTION 4 DIGITAL IMAGE DEFINITIONS 5 COMMON VALUES 6 CHARACTERISTICS OF IMAGE OPERATIONS 7 TYPES OF OPERATIONS 7 TYPES OF NEIGHBORHOODS 8 VIDEO PARAMETERS 9 TOOLS 9 CONVOLUTION 10 PROPERTIES OF CONVOLUTION 10 FOUR
reconstruction
- 利用相位和幅度的迭代算法对图像进行重构，其中通过相位可以很好的重构出图像-Use iterating method to reallize the reconstruction of an image from its phase or magnitude
frequency
- 包含图像幅度变换、相位图像变换、成分滤波、方位滤波代码-Contains an image transform magnitude and phase images transform, filter elements, filter code position
An-improved-Hilbert-Huang-method-for-analysis-of-
- The Hilbert–Huang method is presented with modifications, for time-frequency analysis of distorted power quality signals. The empirical mode decomposition (EMD) is enhanced with masking signals based on fast Fourier transform (FFT), for separat
FFTbianhuan
- 对已知的以为数据进行FFT变换，得到数据的频谱图，进而可分析出幅值和相角。-Known that the data FFT, the frequency spectrum of the data, which can be analyzed magnitude and phase angle.
tidu
- 计算图像梯度幅度和相位，采用opencv算法。-Calculate the gradient magnitude and phase of the image
FSIM
- Zhang等人 利用相位一致性信息的特性，提出了 特征相似性方法(FSIMG) ，选取了相位一致性信息和梯度信息 作为它的两个特征，得到了较好的结果。 -A novel feature similarity (FSIM) index for full reference IQA is proposed based on the fact that human visual system (HVS) understands an image mainly according
paper1
- Using phase and magnitude information of the complex directional filter bank for texture image retri
matlab_phase_retrieval-master
- 傅里叶振幅相位恢复工具箱，包括经典的ER、HIO算法(toolbox of Fourier magnitude phase retrieval in matlab, including ER, HIO algorithms)