搜索资源列表
fft.rar
- implement 1D and 2D FFT and Inverse 2D FFT ,obtain the power spectrum from a set of FFT coefficients and achieve the Butterworth Lowpass Filter,implement 1D and 2D FFT and Inverse 2D FFT ,obtain the power spectrum from a set of FFT coefficients and a
dft.rar
- 基于OpenCV的源码， 实现了利用DFT离散傅里叶变换计算图像的功率谱。,OpenCV based on the source, the use of implementation of the Discrete Fourier Transform DFT calculation of the power spectrum image.
fwt2d_demo
- 小波变换源码，国外VC开发的，效果比较好 I ve been involved with wavelet-analysis since my Ph.D studies and over the years developed various wavelet-transforms C++ libraries. This one concerns 2D implementation of the Fast wavelet transform (FWT). The 2D FWT is used i
image_bandpass_filter
- Design frequency domain Ideal, Butterworth and Gaussian band pass filters to filter the input image. Use your own grayscale picture as the input image. The filters must be passing frequencies between radius of 30 and 120 frequency components of the
wm
- 基于扩频变换的数字水印技术参考资料与论文打包集合-Transform-based spread-spectrum digital watermarking technology packaged collection of reference materials and papers
FreqWatermark
- 一种基于DCT的扩频水印算法，本算法通过对水印信息进行扩频，在原始载体图像的DCT域内进行水印嵌入。-DCT-based spread spectrum watermarking algorithm, the algorithm is spreading through the watermark information in the original carrier image of the DCT domain for watermark embedding.
Edgedetect
- 小波变换检测信号频谱边缘，利用多尺度小波模极大值法确定信号频谱边缘。-Wavelet transform edge detection of the signal spectrum, using multi-scale wavelet modulus maximum method to determine the edge of the signal spectrum.
A-Hybrid-transform-domain-spread-spectrum-watermar
- 一种基于混合变换域的双重扩频盲水印算法A Hybrid transform domain spread spectrum watermarking algorithm for the dual-A Hybrid transform domain spread spectrum watermarking algorithm for the dual
Robust_Audio_Steganography_Using_Direct-Sequence_
- important paper on spread spectrum watermarking
power-spectrum
- 可同时实现多幅图片的傅里叶能量谱统计与分析！得到相应通道能量的信息！-Multiple images to achieve the power spectrum of Statistics and analysis!
watermark_paper3
- 一种新的混沌序列扩频水印算法,很好的一篇文章-A new chaotic sequence spread spectrum watermarking algorithm, a very good article
watermark_paper4
- 一种新的扩频音频水印算法，很好的一篇数字水印文章-A new spread spectrum audio watermarking algorithm, a very good article of a digital watermark。
application-of-FFT-spectrum-analysis
- 利用FFT对音频信号的分析，希望对你们有用，嘎嘎，你们慢慢看哈-Lab 2 application of FFT spectrum analysis
A-robust-spread-spectrum-based-image-watermarking
- A robust spread spectrum based image watermarking in ridgelet domain
spectrum
- 通过matlab实现基于MATLAB的扩频通信系统设计，内容详细，通俗易懂，可供大家使用，互相学习。-Matlab implementation of MATLAB-based spread spectrum communication system design, detailed, easy to understand for everyone to use, learn from each other.
Wavpack-power-spectrum
- 读入xsl文件中的数据进行小波包变换并计算各层系数功率谱-Xsl file reads the data and calculate the wavelet packet transform coefficients of the power spectrum of each layer
000-power-spectrum-matching
- 利用图像局部频谱进行目标跟踪，适用于跟踪小尺寸目标-Partial spectrum using image target tracking for tracking small targets
spectrum-estimation
- 功率谱估计是利用有限长的数据估计信号的功率谱，广泛应用于各个领域。功率谱估计主要分为经典谱估计与现代谱估计。常用的经典谱估计方法有周期图法，相关法，周期图的改进法，常用的现代谱估计方法有最大熵谱估计，AR模型，MA模型，ARMA模型。经典谱估计适用于长序列的信号，其主要缺陷是描述功率谱波动的数字特征方差性能差，频率分辨率低，现代谱估计适用于短序列的信号，旨在改善谱估计的分辨率，并将其应用于实际地震资料的谱分析。 -Power spectrum estimation is the use of
two-dimensional-Fourier-spectrum
- 这主要用于图形处理的二维频谱的处理，二维傅里叶以及二维傅里叶逆变换-This is mainly used for the processing of two-dimensional graphics processing spectrum, two-dimensional and two-dimensional Fourier inverse Fourier transform
image-center-frequency--spectrum
- The center frequency of the image spectrum