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- digital wavelet transform 小波变换
- digital wavelet transform (DWT) 小波变换
- A chaotic digital watermarking method based on the private key and wavelet transform is proposed. 提出一种基于混沌密钥的小波数字水印方法。
- As a wavelet transform, morphological wavelet could be applied into data hiding and digital watermarking. 形态小波作为一种小波变换,与其它小波变换一样可以应用于数据隐藏和数字水印中。
- A novel digital watermarking scheme based on the kinoform and discrete wavelet transform (DWT) is proposed. 提出一种基于相息图和小波变换的数字水印方案。
- This paper presents an algorithm of digital image watermark based on image segmentation and wavelet transform. 摘要提出了一种基于图像分割和小波变换的数字水印算法。
- An improved digital watermarking algorithm based on dual-tree complex wavelet transform was presented. 提出了一种改进的、基于二元树复小波变换的数字水印算法。
- 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.
- This paper uses the digital wavelet frame (DWF) combined with nonlinear soft-thresholding method to denoise the transient scatter response signal. 利用离散小波框架(DWF)结合非线性软阈值方法对瞬态雷达反射回波信号进行去噪处理。
- The article discusses a kind of image-based adaptive visible digital watermarking treatment technology in discrete wavelet transform (DWT). 摘要主要研究在小波变换域中,基于图像特征的自适应可见数字水印嵌入处理技术。
- 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。
- An efficient implementation of the discrete form of the wavelet transform on digital signal processors (DSPs) is especially interesting for the analysis of real time signals. 在实时信号分析中,离散小波变换在DSP上的有效应用受到了特别的关注。
- 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。
- To achieve the copyright protection of digital image,we present a novel zero-watermarking algorithm based on DT-CWT(dual-tree complex wavelet transform). 1引言数字水印作为保护多媒体信息的版权及其安全使用的一种手段,已成为多媒体信息安全领域的一个研究热点。
- 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。