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the wavelet representation
相关语句
  利用小波变换
     In the field of analyzing the information content of images,the wavelet representation is a very practical and effective method now.
     在信号处理领域 ,利用小波变换进行多分辨率分解是非常实用有效的方法。
短句来源
  “the wavelet representation”译为未确定词的双语例句
     The Wavelet Representation of Multiresolution Uniform B-Spline Surface Based on Region of Interest
     基于感兴趣区的均匀B样条曲面多分辨率小波表示
短句来源
     The wavelet representation of an image is utilized to define the spatial activity measure of the image, and further to construct a novel multi-scale Huber-Markov model.
     (2) 采用图像的多尺度小波表征来定义图像的空域活动性测度,并由此构建多尺度Huber-Markov先验模型.
短句来源
     The wavelet representation of the weak stationary process
     宽平稳过程的小波谱展式
短句来源
     Video compression based on the wavelet representation and multiresolution motion compensation (MRMC)has a superior performance in terms of the PSNR as well as the subjective quality.
     基于图象小波变换系数的多分辨率运动估值/补偿算法在信噪比、压缩率和视觉质量方面都比传统的"时域运动补偿+DCT”算法好,特别是对图象多分辨率和传输多码率的支持非常适合现今通信网的要求。
短句来源
     A shape matching method based on multi-scale template and Zernike moments is proposed in view of the problem that the wavelet representation depends on the starting point of the sampled contour.
     针对形状匹配中小波表达对起始点依赖的问题,提出一种结合Zernike矩的多尺度模板进行形状匹配的方法。
短句来源
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  相似匹配句对
     d-Wavelet Set
     d-小波集
短句来源
     On wavelet processing
     子波处理方法的研究
短句来源
     On the Quaternion Wavelet
     关于四元数形式小波的研究
短句来源
     The Generalized Haar Wavelet
     广义Haar子波
短句来源
     Fusion and Representation
     交融与呈现
短句来源
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  the wavelet representation
Various methods to threshold the wavelet representation are discussed and compared using recordings of dolphin sounds.
      
In this paper, we propose a novel signal representation based on mathematical morphology, and with it develop representations analogous to the polynomial transform and the bank-of-filters implementation of the wavelet representation.
      
The wavelet representation offers a natural upscaling technique which resembles the highcut filters commonly used in signal analysis.
      
We would like to propose a method of single evoked potential (EP) extraction free from assumptions and based on a novel approach - the wavelet representation of the signal.
      
Since the use of focused ultrasound in hyperthermia leads to local heating of the tissue, the wavelet representation of such temperature distributions with local fluctuations is more compact than their Fourier representation.
      
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Based on the approximation theory of functions, this paper studies the relationship between the nonlinear function of feedforward neural network and the mother function of wavelet transform. It is pointed out that the two kinds of function approximation approaches in L2(R) spaces are equivalent, and the wavelet representation of feedforward neural network is then given. In the last part of the paper,examples of wavelet representations of feedforward neural network and function approximation are...

Based on the approximation theory of functions, this paper studies the relationship between the nonlinear function of feedforward neural network and the mother function of wavelet transform. It is pointed out that the two kinds of function approximation approaches in L2(R) spaces are equivalent, and the wavelet representation of feedforward neural network is then given. In the last part of the paper,examples of wavelet representations of feedforward neural network and function approximation are shown.

基于函数逼近,对前向神经元网络中非线性函数与子波变换中母函数的关系进行了分析,推出了前向神经元网络的子波表示.指出两种方法应用于L2(R)空间函数逼近时是一致的.最后给出了两个前向神经元网络的子波表示,函数逼近实例验证了本文结论的正确性.

The method to extract the qualitative failure features from vibrational time-scries signals of rotaries, with wavelet transform and theory of delay embedding analysis. is discussed. The method has been used to analyze the numerical data of the common failure information collected from an experimental rotor system. The wavelet representation and the chaos dynamics features of several common failures of rotaries are given.

讨论了应用小波变换和延时嵌陷分析的理论从旋转机械的振动时间序列信号中提取定性故障特征的方法,并用该方法分析了一实验转子系统的常见故障信息,给出了旋转机械几种常见故障特征的小波表达和混沌动力学特征.

Video compression based on the wavelet representation and multiresolution motion compensation (MRMC)has a superior performance in terms of the PSNR as well as the subjective quality.But the intensive computational consuming is the bottleneck.it is a feasible way to make an estimation by using the potential motion area(PMA) to locate the regions where motion has likely occurred before the actual motion.Considering that the final results rely heavily onthe accuracy of PMA,a new PMA predicted a lgorithm based...

Video compression based on the wavelet representation and multiresolution motion compensation (MRMC)has a superior performance in terms of the PSNR as well as the subjective quality.But the intensive computational consuming is the bottleneck.it is a feasible way to make an estimation by using the potential motion area(PMA) to locate the regions where motion has likely occurred before the actual motion.Considering that the final results rely heavily onthe accuracy of PMA,a new PMA predicted a lgorithm based on morphological segmentation is proposed in this paper.The wavelet representation has the advantages of spati alorientation selectivity,localization in both space (or time) and frequency.Moreover the mathematical morphology efficiently deals with geometrical features.The hierarchical morphological segmentation can make a tradeoff between the quality of the MRMC and the computational cost.Experimental results show that the proposed algorithm can reduceprocessing time significantly.Using the energy decision of displacement frame difference can make the motion detection less sensitive to noise.The morphologicalsegmentation and marking PMA in all the wavelet subimages can avoid the error propagation.

基于图象小波变换系数的多分辨率运动估值/补偿算法在信噪比、压缩率和视觉质量方面都比传统的"时域运动补偿+DCT”算法好,特别是对图象多分辨率和传输多码率的支持非常适合现今通信网的要求。但是算法中巨大的运动估值运算量制约了它的实际应用。使用潜在运动区进行运动估值是减少运算时间的可行方法之一。我们根据图象序列的运动内容在小波变换域呈现的方向性和局部性的特点,提出了一种基于形态变换的小波分解运动补偿新算法。该算法利用形态变换运算提取潜在运动区,使运动估值只集中在运动发生的区域进行,在保持一定的补偿误差时大大降低了运动估值时间,实验结果证明了新算法的有效性。

 
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