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- Multiscale edges of a signal can be detected by using extrema or zero-crosings of dyadic wavelet transform. 本文通过二进小波变换极值或零交叉点可获取信号的多尺度边缘,由此得到信号的绝大部分信息。
- Abstract: Multiscale edges of a signal can be detected by using extrema or zero-crosings of dyadic wavelet transform. 摘 要: 本文通过二进小波变换极值或零交叉点可获取信号的多尺度边缘,由此得到信号的绝大部分信息。
- A reconstruction algorithm by cubic spline function interpolation, which is used to recover a signal from its dyadic wavelet transform extrema is proposed in this paper. 本文提出了用样条插值重构算法来实现由信号二进小波变换极值点重构原始信号。
- The basic conception of dyadic wavelet transform is introduced The practical expression of dyadic discrete wavelet transform of digital signal is presented. 介绍了二进小波变换的基本概念,给出了数字信号二进离散小波变换的实用表达式。
- In order to overcome the disadvantages of low accuracy, high complexity, and lack of robustness in many actual pitch detection algorithms, a new algorithm for pitch detection on the basis of local modulus maxima of dyadic wavelet transform was presented. 摘要为了克服目前诸多基音周期检测算法精度低、计算复杂度高、鲁棒性差的缺点,研究了一种采用二进小波变换模极大值进行基音周期检测的算法。
- A segmentation method based on the dyadic wavelet transform in 2-D is introduced in this paper.The first step is to find all the edge pixels of the FMI image using the 2-D wavelet transform. 本文给出的方法,考虑图像像元邻域的特征,应用二维小波变换求出目标与背景边缘的点集,按这个边缘点集的坐标点所对应的原图像像素灰度值的平均值作为分割阈值进行图像分割。
- DENOISING VIA DYADIC WAVELET TRANSFORM 基于二进小波变换的信号去噪
- 3D dyadic wavelet transform(DWT) 3D二进小波变换
- Image Interpolation Based on Dyadic Wavelet Transform 基于二进小波变换的图像插值方法
- The Segmentation of FMI Image Based on 2-D Dyadic Wavelet Transform 基于二维小波变换的FMI图象分割(英文)
- Keywords Dyadic wavelet transform;Modulus Maximum;De-noise; 二进小波变换;模极大值;去噪;
- A Reconstruction Algorithm from Signals'Dyadic Wavelet Transform Extrema 由信号二进小波变换极值重构信号的样条插值算法
- Signal De-noising Research Based on New Threshold Function via Dyadic Wavelet Transform 基于新阈值函数的二进小波变换信号去噪研究
- An Adaptive Strategy for Image Enhancement Based on the Dyadic Wavelet Transform 基于二进小波变换的噪声图像自适应增强新算法
- DETECTION OF PD SIGNAL WITH STRONG CARRIED WAVES DISTURBANCE IN POWER TRANSFORM ER BY DYADIC WAVELET TRANSFORM ATION 用二进小波变换分析变压器中含强载波干扰的局部放电
- Keywords Chemometrics;signal processing;dyadic wavelet transform;adaptive filter;de-noise; 化学计量学;信号处理;二进小波变换;自适应滤波;去噪;
- The charaters after affine transformation can also be recognized by a dyadic wavelet affine invariant function. 仿射变换后的汉字或其它图像可用多尺度小波的仿射不变函数进行对比识别。
- (Zhang Z S, Liu G Z and Liu F.A new iterative algorithm for reconstructing a signal from its dyadic wavelet transform modulus maxima.Science in China, Ser. 张茁生; 刘贵忠; 刘峰.;一种新的信号二进小波变换模极大值重构信号的迭代算法
- DETECTION OF PD SIGNAL WITH STRONG CARRIED WAVES DISTURBANCE IN POWER TRANSFORMER BY DYADIC WAVELET TRANSFORMATION 用二进小波变换分析变压器中含强载波干扰的局部放电
- Dirivatives of cardinal B-splines are proved to be dyadic wavelets. 文章证明,基数B样条的各阶导数是一类二进小波。