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watermark_wavelet

于 2021-01-14 发布 文件大小:616KB
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代码说明:

  小波变换的数字水印算法,附有论文和源程序.(Wavelet Transform Digital Watermarking Algorithm with thesis and source code.)

文件列表:

goodti.m.txt
wen2.pdf

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  • Source
    its c-wavelet transform
    2014-02-05 23:16:47下载
    积分:1
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    希尔伯特变换法提取零相位子波的小程序,很好用!!(Hilbert transform method to extract the zero-phase wavelet procedure, easy to use! !)
    2012-03-05 20:11:06下载
    积分:1
  • JPEG2000
    说明:  小波变化代码,是比较好的测试向量,包括位平面编码和MQ(Wavelet transform code, is a better test vectors, including the bit plane coding and MQ)
    2020-12-06 09:39:24下载
    积分:1
  • DWT1D
    C语言实现一维离散小波变换,通过mallat算法实现对一维信号的快速重构和分解。(C language implementation of a one-dimensional discrete wavelet transform, fast algorithm by mallat one-dimensional signal reconstruction and decomposition.)
    2021-01-02 16:48:57下载
    积分:1
  • gaga
    基于小波变换的ECG信号去噪系统设计,在信号采集时,身体的任一微小运动都会产生“基线漂移”,这是一种低频干扰,同时,由于肌电的存在又产生了高频的肌电噪声,由于空间电磁场的存在又使心电信号中混有50Hz的工频干扰。这些噪声不去除,就会影响下一步的信号处理。 综合运用数字信号处理的理论知识进行生物医学信号增强系统设计,实现ECG信号的去噪,从而加深对小波变换及其应用的理解,建立概念多分辨分析的概念,加深理解信号增强的原理、方法和步骤。本设计的主要内容是设计一个基于小波变换的ECG信号去噪系统,实现ECG信号的去噪。 (ECG signal denoising based on wavelet transform system design, signal acquisition, any small movement of the body will have a " baseline drift" , which is a low-frequency interference, while the high frequency due to the existence of the EMG muscle electrical noise due to the presence of electromagnetic field and the ECG signal mixed with a 50Hz power frequency interference. The noise is not removed, it will affect the next step in the signal processing. Use the theoretical knowledge of digital signal processing for biomedical signal enhancement system design to achieve the de-noising of ECG signal, so as to deepen understanding of the wavelet transform and its applications, to establish the concept of multi-resolution analysis of the concept, deepen the understanding of signal enhancement of the principle, the method and steps. The main elements of this design is the design of an ECG signal denoising based on wavelet transform denoising the ECG signals.)
    2012-07-07 16:25:58下载
    积分:1
  • Blur-Detection-Using-Wavelet
    基于论文<<Blur Detection for digital images using wavelet transform>>,使用Haar小波变换实现图像模糊度检测。(Based on paper <Blur Detection for digital images using wavelet transform> > , Using the Haar wavelet transform of image blur detection.)
    2020-07-17 20:58:48下载
    积分:1
  • mediumvaluefilter
    中值滤波源程序,非常好用。程序有说明很容易看懂!(median filtering source, very handy. Note procedure is easy to read!)
    2020-12-09 21:09:20下载
    积分:1
  • 图像对比度拉伸源代码
    说明:  基于vc++6.0 的图像对比度拉伸操作(vc 6.0 on the image contrast stretching operation)
    2005-12-05 09:46:10下载
    积分:1
  • GHM_Wavelet
    说明:  GHM多小波的变换与逆变换,包括预处理和后处理(GHM multi-wavelet transform and inverse transform)
    2021-04-28 11:38:44下载
    积分:1
  • Wavelet-dec--rec
    在理解了离散小波变换的基本原理和算法的基础上,通过设计VC程序对简单的一维信 号在加上了高斯白噪声之后进行Daubechies小波、Morlet小波和Haar小波变换,从而得到小波分解系数;再通过改变分解得到的各层高频系数进行信号的小波重构达到消噪的目的。在这一程序实现的过程中能直观地理解信号小波分解重构的过程和在信号消噪中的重要作用,以及在对各层高频系数进行权重处理时系数的选取对信号消噪效果的影响。(In understanding the basis of discrete wavelet transform basic principles and algorithms, through the design VC program Daubechies wavelet, Morlet wavelet and Haar wavelet transform after a simple one-dimensional signal plus a Gaussian white noise, resulting wavelet coefficients wavelet reconstruction signal again by changing the layers to achieve high-frequency coefficients decomposed noise cancellation purposes. Can intuitively understand wavelet decomposition and reconstruction process and an important role in signal de-noising in the process of implementation of this program, and in the high-frequency coefficients when the weight of the layers selected for signal processing coefficients denoising affected.)
    2014-07-10 18:16:49下载
    积分:1
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