查询词典 convolving

A algorithm of dim small targets detection in infrared image is proposed. Image is processed by using median filter and unsharp mask. The infrared image intensity surface is fitted by Haralickd discrete orthogonal polynomial basis function,and then the maximum points are detected on the fitted intensity surface by convolving the image with the second order directional derivative operators.

提出一种红外弱小多目标图像检测方法，图像先经过中值滤波、高提升滤波增强处理，再用基于Haralick离散正交多项式曲面拟合图像，拟合曲面的极大值点即目标点，可以利用导出的二阶方向导数算子与图像进行卷积得到。

A new method of locating a center-point of the circular projection was proposed based on the vector sum and image template convolving a mask over the gray-scale image directly and using the frequency domain computation is to reduce the time complexity.

提出了基于矢量和的全局最优的圆心定位方法，并利用卷乘和频域方法实现定位的快速算法。

According to the relationship of wavelet transforms and perfect reconstructional FIR filter banks, this paper presents an algorithm for de-noising with Donoho non-linear soft-threshold in defferent levels of multiscale space through rearranging the input data before convolving and filtering and sub-sampling.

本文从子波变换与完全重构FIR滤波器组的特定关系出发，将输入数据按一定规律重新排列之后实时地将数据分解到不同的尺度空间，然后经过正交子波基的Donoho非线性软门限消噪处理。

Neglecting noise, to facilitate this, time lagged version matrix of convolved signal and seismic wavelet banded convolving mixture matrix are used ,by multiplying the reflectivity vectors, to construct a basic ICA model.

基于对地震反褶积本质上是一个盲过程的认识，引入高阶统计学盲源分离技术——独立分量分析实现地震盲反褶积。

New method presented in this paper starts by convolving a given image with masks in a selected number of directions.

因此，必须在扫描图像中准确检测出激光条纹的位置，这样才能根据该位置计算出空间信息。

The 15 path-delay PDFs are also calculated by convolving the PDFs of contributing link-delays based on independence assumption.

在仿真过程中，实际测量了网络中60条链路延时和15条路径延时的概率密度函数。

This enterprises, convolving membrane, agriculture using membrane and all kinds of plastics-color printing packing bags ect.

是一家专业生产PE热收缩膜、高低压聚乙烯吹塑膜、缠绕膜以及农用地膜和各类塑料彩印包装袋的企业。

Gaborconvolve.m Code for convolving an image with a bank of log-Gabor filters.

次函数为数字图像处理中比较常用的源代码，一般的安装时并不包含次代码，共享一下。

The wavelet function corresponding to a certain scale can be regarded as the transfer function of a band-pass filter according to the definition of CWT, thus, sampling the signal and the wavelet function respectively, the wavelet coefficients at this scale can be obtained by convolving the two time series.

根据CWT的定义，可将某一尺度下的小波函数看作一带通滤波器的传递函数，于是对信号和小波函数分别进行采样后，再利用快速傅里叶变换实现两个序列的线性卷积，便能求出相应尺度下的小波系数。

A method of processing a series of input audio signals representing a series of virtual audio sound sources placed at predetermined positions around a listener to produce a reduced set of audio output signals for playback over speaker devices placed around a listener, the method comprising the steps of: for each of the input audio signals and for each of the audio output signals: convolving the input audio signals with an initial head portion of a corresponding impulse response mapping substantially the initial sound and early reflections for an impulse response of a corresponding virtual audio source to a corresponding speaker device so as to form a series of initial responses; for each of the input audio signals and for each of the audio output signals: forming a combined mix from the audio input signals; and forming a combined convolution tail from the tails of the corresponding impulse responses; convolving the combined mix with the combined convolution tail to form a combined tail response;for each of the audio output signals: combining a corresponding series of initial responses and a corresponding combined tail response to form the audio output signal.

提供了一种处理一系列输入音频信号的方法，所述输入音频信号代表放置在收听者周围预定位置的一系列虚拟的音频声源，该方法可以产生一组精简的用于在收听者周围的扬声器装置上进行播放的音频输出信号，该方法包括以下步骤：对每个输入音频信号和每个输出音频信号进行以下步骤：用相应的脉冲响应最初的头部对输入音频信号进行卷积以形成一系列初始响应，其中的脉冲响应充分映射了相应的虚拟声源到相应的扬声器装置的脉冲响应的初始声音和早期反射；对每个输入音频信号和每个输出音频信号进行以下步骤：形成音频输入信号的混音；并根据对应脉冲响应的多个尾部形成复合的卷积尾；用复合的卷积尾对音频信号的混音进行卷积以形成复合尾部响应；对每个音频输入信号进行以下步骤：把相应系列的初始响应与相应的复合尾部响应进行复合以形成音频输出信号。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。