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- second wavelet transform 二次小波变换
- Second, wavelet transform is applied in the motion compensation error frames to achieve global energy compaction. 第二,对运动补偿误差帧进行小波变换得到全局能量压缩;
- 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.
- A new approach combining second generation wavelet transform (SGWT) and discrete hidden Markov models(DHMM)is proposed to classify power quality disturbances (PQD) in this paper. 提出了一种将第二代小波变换和离散隐马尔可夫模型相结合的电能质量扰动分类方法。
- Second, a new wavelet-based denoising method without free parameters is proposed which is based on the sparseness and decorrelation properties of the discrete wavelet transform. 其次,利用离散小波变换的稀疏性和减相关性进行SAR图像滤波。
- 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。
- 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。
- Investigating the relation between predictor and updater of second generation wavelet transform and their equivalent filters,predictor and updater are designed on the basis of the equivalent filters. 提出了以监测数据为基础构造特征小波提取数据趋势的新方法,研究了第二代小波变换的预测器、更新器与等效滤波器之间的关系,以及根据等效滤波器设计预测器和更新器系数的原理。
- 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。
- A lossless scheme of a binary image watermark based on wavelet transform is proposed. 摘要针对二值水印图像,提出一种基于小波的无损的数字水印系统。
- The wavelet transform(WT) is a new mathematical tool which will show great prospects in the NIR field. 同时,阐述了光谱的预处理,其中的小波变换方法是一种新的数学工具,有著广泛的应用前景。
- Basic theories, algorithms and applications of wavelet transform (WT) were described in this paper. 摘要介绍了小波变换的基本理论并对小波变换的常用算法和应用进行了评述。
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