image frequency的例句大全

the automatic fringe distinct technique in white light digit speckle image frequency recognition-digit phase shift method

白光数字散斑图像频域自动识别技术——用于逐点分析的数字相移法

examples show that this method can decompose the image frequency for gradually reduced n-and imf and the remainder.

实例表明，此方法能较好的将图像分解为频率逐渐减小的N个IMF和余项的和。

Then we perform digital pre-compensation method, which can be used in the processing of base band signal to reject image frequency and protect carrier leak to meet the application purpose.

然后采用对基带信号的数字预补偿方法来抑制镜像频率和载波泄漏，从而达到应用的目的。

Best estimate of gradient ( BEG) algorithm was proposed, which is used for extracting the feature parameters of texture gradient of local window in fingerprint image. And it calculated the frequency parameters in the local window at the same time.

提出了最优梯度估计算法，用于提取指纹图像局部窗口中的纹理梯度特征参数，并在此局部窗口内计算出相应的频率参数。

Traditional image processing method based on the airspace and frequency domain has various shortcomings.

传统的基于空域和频率域的图像处理方法都存在这样或那样的不足，提高这些图像处理算法的效果和运算速度也就显得特别有意义。

Segmentation of Ultrasonic Image Using Getting Optimal Threshold by Frequency field Analysis

用频域分析最佳阈值的方法进行超声医学图像分割

The software has the characteristics such as easy operation, complete function and friendly man-machine interface, can complete the functions expediently, such as tension set, sampling frequency set, data register, image display, etc.

本软件具有操作简便、功能齐全、人机界面友好等特点，能方便地完成张力设定、采样频率设定、数据记录、图像显示等功能。

First, the image is divided into two parts, high and low frequency, then we get the VQ codebook by means of comparing the threshold in high frequency and extracting representative codewords at different regions in low frequency part.

该算法将图像分割为高频、低频两部分，在高频段采用阈值比较的方法，在低频段采用分块提取的方法生成VQ码书。

An improved image enhancement algorithm by contour threshold nonlinear extrapolation in frequency space was proposed.

对非线性外推图像增强算法进行分析，充分考虑图像高频分量的局部特征，提出一种新的非线性滤波剪切策略包络阈值剪切算法。

Wavelet analysis is widely used in digital signal and image fields because of its good time frequency localization feature, but it doesn't do well in timely processing of long signals.

小波分析有良好的时-频局部化性能，现被广泛应用于数字信号和图像处理等领域，但其在处理有限长信号时的实时性不太理想。

The watermark embedded in this algorithm is a significant binary image and adaptively embedded according to frequency masking threshold of audio signal. The watermark can be extracted by hypothesis test.

嵌入的水印为视觉可辨的二值图像，水印能根据音频信号的频域掩蔽阈值进行自适应调整，水印的提取采用假设检验的方法。

A scheme for layered color image coding based on subband decomposition is proposed, in which color image can be divided into several subbands with different frequency through QMF ( Quadrature Mirror Filters) and coded for these subbands individually.

提出了一种基于子带分解的彩色图像分层编码方案，它通过正交镜像滤波器组把彩色图像分成不同频率的子带，并对其分别进行编码。

Low level image processing is the base of navigation. The paper discusses time domain filtering and frequency domain filtering according to the noise disturbance in the surroundings images.

低层视觉图像处理是视觉导航的基础，针对环境图像存在噪声干扰的特点，文章分别从时域和频域上分析了图像滤波的方法。

Roberts gradient processing is carried out for the input image of joint transform correlator, and at the same time phase shift technique is applied to the reference image and binaryzation is implemented in power spectrum in the frequency domain.

我们对联合变换相关器的输入图象进行Roberts梯度处理，同时对参考图象采取相移技术，并在频域中将功率谱二值化。

The process that antenna array collecting thermal radiation and transforming thermal radiation signal into radio frequency signal was simulated. Mechanical scan of antenna array was accomplished by rotation transform to form two-dimensional image with linear array.

实现了天线阵列接收热辐射并将热辐射信号转化为射频信号和机械扫描一维天线阵列以达到二维成像效果仿真。

Frequency function is more practical in the evaluation of a thermal image system.

在热像仪的评价中，采用频谱函数较用传递函数更符合实际情况。

Image quality assessment based on frequency domain of structural similarities

基于频域的结构相似度的图像质量评价方法

According to optical transfer function, degree of modulation and apperceive degree of space frequency vision vs object image, TIFF grayscale scenograph is made.

根据光学传递函数、调制度和空间频率视觉及对物象的感知程度，制作TIFF格式透视灰度图。

At low frequency, this equation can be simplified to the stereo law of sines, but as the frequency increases the sound image position has reference to frequency.

新的公式在低频时将简化为通常的正弦定理，而随着声音频率的增加，声像位置将与声音的频率有关。

Hough transform is a usual method for the image edge detection. It has been used in the underwater acoustic field for estimation combined with time-frequency analysis, exemplified by estimate the frequency slope of the LFM signal with wigner-Hough transform.

Hough变换是一种用于边缘检测的图像处理手段，在水声信号处理中已被用来与时频分析手段联合起来对信号进行估计，例如Wigner-Hough变换利用对直线的Hough变换来估计线性调频信号斜率等。