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- the directional wavelet transform 方向小波变换
- directional wavelet transform 方向小波变换
- The algorithm is based on 2-D directional wavelet, which is implemented via Hilbert transform pairs. 该方法利用基于希尔伯特变换对的二维方向小波,这种小波变换具有平移不变性、方向检测性好的特点。
- Dual-Tree Complex Wavelet Transform(DT-CWT) can provide shift invariance and directional selectivity. 对偶树复小波变换具有良好的方向选择性和平移不变性。
- Objective Apply wavelet transform to denoise medical image. 摘要目的利用小波变换进行医学图像去噪。
- Denoising analysis of OTDR data based on wavelet transform[J]. 引用该论文 王韶波;李康;孔繁敏;吴涛.
- Methods of signal processing in LIA based on wavelet transform[J]. 引用该论文 杨兴林;王华岑;徐铁铮;李劲.
- The principle of directional protective relaying based on wavelet transform for detection of fault information and amplitude com parison of travelling wave is presented. 以小波变换为工具提取故障后的行波信息,并通过小波变换实现行波幅值比较式方向保护。
- directional wavelet transforms 方向小波
- By using wavelet transform, the emission of HHG in different time is obtained. 利用小波变换，观察了高次谐波在不同时刻的发射情况。
- Because the wavelet transform is the kernel of image compression standard of the new generation, the method can be used for direct extraction and retrieval in compression domain. 同时，由于小波变换已经成为新一代图像压缩标准的核心，该方法可以直接在压缩域进行特徵提取和检索。
- In this paper, wavelet transform with nonlinear scale (NWT) is introduced. 我们介绍了一种非线性尺度小波变换(Wavelettransformwithnonlinearscale,NWT)。
- Usually,wavelet transform module maximum accords with saltation points. 小波变换模的极值点常对应于信号突变点。
- The wavelet transform is used to analyze some voltage signals what it detected. 利用小波变换对所检测到的电压信号进行了分析。
- Finally, the fused image was reconstructed through inverse wavelet transform. 最后，通过小波逆变换得到融合图像。
- Wavelet transform is an efficient mathematical tool for singularity detection. 小波变换是检测信号奇异点的种有效的数学工具。
- Objective Compressing medical images in DICOM format by wavelet transform. 目的利用小波变换实现对医学DICOM图像压缩。
- Wavelet transform is of good localization property in signal analysis. 小波变换在信号分析中具有良好的局部化特性。
- It includes horizontal, vertical and diagonal-directions of 1D and 2D wavelet transform denoising process. It can reserve the directional edge of 1D wavelet transform denoising, and eliminate the blurred edge of 2D wavelet transform denoising. 该方法包括水平、垂直和对角线多个方向一维（1D）与二维（2D）两个小波变换消噪处理过程,汲取了1D方向数组小波变换消噪能较好保持方向性边沿的优点,消除了2D图像小波变换阈值法消噪造成的边沿模糊。
- This paper presents an image watermarking technology based on disperse wavelet transform. 提出了一种子离散小波变换域实现图象水印的方法。
