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小波图像一次压缩

于 2005-09-01 发布 文件大小:3KB
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代码说明:

  此程序能实现基于小波变换的一次图像压缩。(the program can implement once image compressiom by wavelet-based transform )

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    本程序实现了db2提升小波的消噪,可直接运行成功。(This program achieved a db2 lifting wavelet denoising can be directly run successfully.)
    2009-11-03 09:36:52下载
    积分:1
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    基于小波变换的图像量化编解码,使用零树编码方法(based on wavelet transform quantitative image codecs, the use of zero-tree coding method)
    2006-12-03 11:46:54下载
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  • PSNR
    This is a MATLAB code used to calculate the PSNR of a function.
    2018-01-29 14:06:58下载
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    使用matlab实现的BPSK信号产生和加入噪声前后的频谱对比以及FFT测频和一阶差分法测频对比(Using matlab to achieve the BPSK signal generator and adding noise before and after the spectrum contrast and FFT frequency measurement and first-order differential method to measure the frequency contrast)
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    matlab实现的多相滤波器,cic抽取D=5时例子,及级联型的cic的程序。(matlab implementation of the polyphase filter, cic examples taken D = 5 时, and the cascade of cic procedures.)
    2011-04-27 14:16:27下载
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    说明:  关于小波变换的ppt,有用的可以下载看看(Ppt on Wavelet Transform)
    2010-04-08 09:28:48下载
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    滚动轴承外圈故障频率,小波分析后包络变换,数据来源西储大学
    2022-10-25 04:35:03下载
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  • wave
    用于进行小波变换,对原始的光谱图像数据进行预处理(Used wavelet transform, the original spectral image data preprocessing)
    2014-01-07 22:55:01下载
    积分:1
  • DWT_1D
    离散小波变换是指在特定子集上采取缩放和平移的小波变换,是一种兼具时域和频域多分辨率能力的信号分析工具。此变换运用可以缩放平移的小波代替固定的窗进行计算分析,主要应用于信号编码和数据压缩。(Discrete wavelet transform refers to the specific subset take scaling and translation on the wavelet transform, is a kind of multi-resolution ability both time domain and frequency domain signal analysis tool. This transformation can use zoom translational wavelet calculation and analysis instead of the fixed window, mainly used in signal coding and data compression. )
    2013-11-10 22:12:48下载
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  • CurveLab-2.1.3
    可用于曲波变换的工具箱,用于含噪声的图像的去噪过程,图像分解,有例子可直接运行。只可用于学术研究目的。(the Latest curvelet transform lab tool ,Non-commercial research use for Academics. Image decomposition, there are examples can be run directly.)
    2013-10-31 11:06:28下载
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