Put discrete wavelet transformation (DWT) into both carrier and watermark signal and embedded watermark with compromise.
将离散小波变换同时运用到载体和水印信号中,采取折中办法嵌入水印。
参考来源 - 基于MPEG版权认证的视频水印算法研究The discrete wavelet transformation is the foundation of the image procession and compression technology nowadays.
离散小波变换是当今许多图像处理和压缩技术的基础。
参考来源 - 5/3小波图像压缩及DSP实现·2,447,543篇论文数据,部分数据来源于NoteExpress
This paper proposes an efficient VLSI method for realizing Discrete Wavelet Transformation for lossless compression in the upcoming JPEG2000standard.
文章提出了一种基于JPEG2000标准中无损压缩滤波器组的VLSI实现方法。
It is then subject to such mathematical indignities as wavelet decomposition, multi-resolution Fourier analysis, polyphase filtering and discrete cosine transformation.
接下来它还要经过一些数学处理程序,比如小波分解,多重分辨率傅立叶分析,多相过滤,离散余弦变换等。
Fischer prefers to use a less common mathematical process known as the wavelet transformation, which represents the sound in terms of short, discrete components known as wavelets.
菲舍尔更喜欢一种比较不常用的数学方法——小波变换,这种方法可以将声音分解成比较短的离散的小波成分。
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