Improving an application of the fractional fourier transform in the digital image watermarking 5 .改进了一种分数阶fourier变换域数字图像水印算法,并仿真实现。
The design and implementation of transform - domain filter algorithm based on fft / ifft transform is discussed 阐述了基于fft / ifft变换的变换域滤波技术在fpga上的设计与实现。
Two image watermarking methods embed watermarks into transform domain using the multi - scale characteristic of wavelet 两种图像方法都是利用小波多尺度的特征在变换域嵌入水印。
The technique of dct - based digital watermarking for copyright protection of static image is studied in this paper 文中研究了基于静态图像的离散余弦变换域的数字水印版权保护技术。
The frequency domain algorithms are adopted for demodulating sensors connected in parallel . the capability of this multiplexing method is analyzed 然后，在光强函数的傅立叶变换域，讨论了传感器的复用问题。
This paper proposes an effective algorithm which implements in hadamard domain , and the chebyshev distortion measure and pds algorithm are adopted 本文在变换域内搜索码字,并引入chebyshev距离测度和pds算法。
Abstract : a classification based hybrid coding , which takes the use of the similarity of wavelet coefficients in the wavelet domains , is proposed 文摘:利用小波变换域内小波系数的相似性，提出了基于分类的混合编码方法。
It is followed by digital sampling , windowing , noise filtering , endpoint detection , time - domain vector and transform - domain vector 内容涉及语音信号的数字化、加窗处理、预加重滤波、端点检测，及时域特征向量和变换域特征向量。
In this paper , we build a visual model in the ridgelet domain by taking advantage of the current knowledge of visual perception , which is a pioneer work 因此，我们研究了现有的关于人类视觉系统的理论，第一次在小脊变换域中建立起视觉模型。
Data correlation coefficients were calculated and switch regions were analyzed by using two dimension discrete cosine transform ( dct ) in ray - space data compression 在光线空间的数据压缩中，计算了数据的相关系数，采用二维离散余弦变换( dct )进行了变换域分析。
