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- multiple wavelet domains 多小波域
- Firstly calculate the absolution of the source speech signal, then analyze the absoluted signal in the dyadic wavelet domain. 首先对原始语音信号取绝对值，然后对其进行小波变换，认为8阶小波变换绝对值的极大值点对应于原始语音的音素分段点。
- Therefore, an algorithm of PD signal reconstruction based on modulus maximum wavelet domain is presented in this paper. 为此,该文提出一种基于模极大值小波域的局部放电信号重构算法。
- This paper presents a blind watermarking scheme baaed on the visual perceptual model in wavelet domain. 摘要提出了一种基于视觉感知模型的小波域图像盲水印方案。
- A adaptive watermarking scheme based on quadtree-split in the wavelet domain is proposed in this paper. 摘要文章提出了一种基于四叉树分割的小波域自适应水印方案。
- Results:At present mechanism of atrial fibrillation is mostly the multiple wavelet bypothesis and spiral wave bypothesis and so on. 结果:目前认为房颤的发生机制主要是多发微折返环学说和自旋波折返学说等。
- A wavelet domain Indicator of the local spatial activity achieved the adaption to the spatial context in the image. 使用具有局部空间活跃性的小波域标记能达到对图像空间上下文关系的适应。
- We give the implementation of SRIW in Wavelet Domain for exemplifying it and propose the special evaluation of SRIW. 以小波域为例给出了SRIW实现方法，提出了SRIW特有的评价标准。
- An audio watermarking algorithm based on mean quantization in the wavelet domain is presented. 摘要提出了一种均值量化的小波域数字音频水印算法。
- Each kind of palmprint pattern is described by parameters in wavelet domain that learned form samples by estimation. 通过样本学习，利用参数佑计的方法，每种掌纹模式的理想模型表示为小波域内的特定参变量。
- The feature extraction of wavelet domain and the significance of each feature in wavelet domain are analyzed. 研究了小波变换域的音频特征提取，分析了这些特征在小波变换域中的意义。
- Threshold de-noising in wavelet domain is an efficient algorithm to reduce the white noise in digital signal. 摘要小波阈值降噪算法是一种去除数字信号中白噪声的有效算法。
- On these grounds, the wavelet domain optimal watermark imbedding algorithm is put forward based on the genetic algorithm. 据此，提出了一种基于遗传算法的小波域优化水印嵌入算法。
- A new de-noising method based on wavelet domain median filter is proposes, which is effective for removing Gaussian white and impulse noises. 摘要提出了小波域中值滤波的去噪方法，在去除高斯白噪声的同时能有效地去除脉冲噪声。
- Furthermore, the size of the sub-image in wavelet domain is a quarter of the source image, so the convergence speed of our method is faster. 此外,高频子图像的大小为原图的四分之一,因此计算量大大减少,算法的收敛速度更快。
- It can be observed that several wavelets propagate along different routes.This result validates the multiple wavelet hypothesis of AF. 在这些标测结果中，可观察到多个子波沿不同路径的传导过程，验证了房颤的多子波假说。
- To remove the noise in the signal effectively, a new signal de-noising algorithm based on multi-scale products in wavelet domain is presented. 摘要为了有效地去除信号中的噪声，提出了一种基于对称小波多层系数乘积的信号去噪算法。
- Time-frequency analysis and characteristic parameter obtainment in wavelet domain are important new means for seismic information research. 小波域的时频分析和特征参数提取方法是研究地震波信息的一种新手段。
- With this algorithm, the multi-signature watermarks are mixed with the chaotic sequences and spread over the different wavelet domains of RGB color spaces of the image. 算法先将不同强度的签名水印扩频到彩色图像不同色块的小波域,然后进行逆小波变换生成水印图像。
- This encoding method means that, the lower frequency subimage in wavelet domain should be encoded prior to those higher frequency subimage. 在传输和回放时先处理频率较低的子带图像,再依次处理频率较高的子带图像。
