搜索资源列表
frft_square
- 基于两次分数阶傅里叶变换的数字水印算法,一种高保密性的算法
fenshujiefuliye
- 基于分数阶傅里叶变换的五篇博硕士论文,分别是在数字水印中的应用两篇,图象变换中的应用一篇,滤波中的应用一篇,目标检测中的应用一篇。-Based on Fractional Fourier Transform five Theses, respectively, in the digital watermark in the application of 2, images in the application of a transformation, filtering in the
frft2
- 二维离散分数阶傅里叶变换程序,可以用做图像处理,绝对可用-Two-dimensional discrete fractional Fourier transform program, you can use to do image processing, absolutely free
FRFT
- 关于分数阶傅里叶变换的理论,算法,及应用,有代码,附论文和其他资料若干-Input signal to calculate the discrete fractional Fourier transform, with a number of papers and other information
FrFT1
- 关于一部分分数阶傅里叶变换的部分程序的代码-Fractional Fourier transform program
DTFRFT
- 离散分数阶傅里叶变换用于Chirp信号的分析-Discrete fractional Fourier transform for Chirp signal analysis
cdpei
- 计算分数阶傅里叶变换,为一维的。是Pei/Yeh/Tseng的源码。-Compute discrete fractional Fourier transform of order a of vector f according to Pei/Yeh/Tseng
new_fenshujie
- 对二维图像进行分数阶傅里叶变换,可用于图像去噪。-Fractional Fourier transform of the image, and can be used for image denoising.
frft
- 分数阶傅里叶变换源程序,可直接运行,对信号检测,模式识别,以及数字水印专业的学生都会有帮助-Fractional Fourier transform source code, can be run directly on the signal detection, pattern recognition, and digital watermarking majors will help
frft
- frft.快速分数阶傅里叶变换函数。调频信号分析的有力工具。-function of frft
frft2
- 二维离散分数阶傅里叶变换程序,可以用做图像处理,绝对可用-Two-dimensional discrete fractional Fourier transform program, you can use to do image processing, absolutely free
FRFT
- 此程序用于去噪声并进行分数阶傅里叶变换求出最优阶。-This procedure used to noise and fractional Fourier transform to find the optimal order.
frft
- 分数阶傅里叶变换函数,可以被直接调用进行分数阶傅里叶变换-FRFT funtion,easy to be used to make FRFT change.
Code-for-FrFT
- 时频信号分析,分数阶傅里叶变换,matlab实现工具包-time-frequency signal analysis—fractional fourier transform—tool kits(in matlab)
shuiyin
- 分数阶傅里叶变换数字水印的嵌入和检测的matlab程序-Fractional Fourier transform digital watermark embedding and detection matlab program
纹理特征提取
- MATLAB实现图像纹理特征提取:自相关函数法、灰度共生矩阵、分数阶傅里叶变换。GUI界面。运行后可自定义自相关函数的x和y轴偏移,灰度共生矩阵的距离和角度,分数阶傅里叶变换的阶数。输出相应的特征图。(MATLAB realize image texture feature extraction: autocorrelation function method, gray co-occurrence matrix, fractional Fourier transform. GUI interf
分数阶盲水印傅里叶变换--已实现
- 二维分数阶傅里叶变换,数字水印,盲水印,可能是我的参数没有调整好,可以提取出水印,但是效果不太好,但完全可以正常运行,如果哪个大神修正了,也请联系我(Two dimensional fractional Fourier transform, digital watermark, blind watermark, may be my parameters do not adjust well, can extract the watermark, but the effect is not ver
双随机图像加密
- 图像经过双随机处理和分数阶傅里叶变换,可以达到加密解密的功能,且对密钥敏感性较强。(The image undergoes double random processing and fractional Fourier transform, which can achieve the function of encryption and decryption, and has strong sensitivity to the key.)
MATLAB
- 通过级联分数傅里叶变对图像进行加密解密,可自行设置秘钥,以及加密的阶数,具有良好的保密性(Encryption and decryption of image by fractional Fourier transform)