spread function
英 [spred ˈfʌŋkʃn]
美 [spred ˈfʌŋkʃn]
网络 扩展函数; 展开函数
双语例句
- To start to understand a GP-GPU compared to a multicore coprocessor approach, try downloading the two examples of a point spread function to sharpen the edges on an image ( threaded transform example) compared with the GPU transform example.
与多核协处理器方法相比，要理解GP-GPU，可以尝试下载两个锐化图像边缘的点扩散函数示例（线程变换示例），与GPU转换示例进行比较。 - When the bar code is of higher density, adjacent edges interact each other due to the influence of the point spread function of image collection system, therefore, this kind of method becomes invalid.
当条码密度较大时，受光学系统点扩展函数的影响，边缘相互干扰，这种技术不再适用。本文研究了高密度二维条码的识别技术。 - Objective: To derive the energy spread function of the electron pencil beam model from the measured beam profiles.
目的：探讨用离轴比曲线分析电子束照射野笔形束模型能量展宽函数的方法。 - Setting the point spread function ( PSF) of motion-blurred images is the key problem in image restoration.
对于匀速直线运动模糊图像，模糊长度和运动方向决定了点扩展函数。 - To improve the performance of image restoration algorithms, a modified Singular Value Decomposition ( SVD) method was proposed to estimate the Point Spread Function ( PSF) of an imaging system.
通过对该系统点扩散函数和景深的分析，发现可以通过改变轴锥镜的角度来实现不同景深的成像系统。 - The point spread function ( PSF) of volume holographic imaging system is employed to analyze diffraction imaging characteristics and estimate depth resolution.
利用衍射理论计算体全息成像系统的点扩展函数，评价成像系统的纵度和深度分辨率特性。 - Its imaging resolution was analyzed by using the point spread function of volume holographic imaging system.
利用点扩展函数对体全息成像系统的深度分辨率进行分析。 - When point spread function ( PSF) is not known or only partially determined, restoration of the degraded images is called blind image restoration ( BIR).
当点扩展函数未知或不确知的情况下，从观察到的退化图像中恢复原始图像的过程称为图像盲复原。 - Review and Prospect of Image Restoration with Space-variant Point Spread Function
空间变化PSF图像复原技术的研究现状与展望 - A Splicing Method of Sectioned Restoration Algorithm for Images with Space-Variant Point Spread Function
一种空间变化PSF图像分块复原的拼接方法 - Methods: Wavelet transform was applied to estimate the point spread function of the imaging system, and then expectation-maximization algorithm was used to restore temporal CT images.
本文分析了数字半色调技术中常用的有序抖动、误差扩散法和点扩散法，提出了适合于传真应用的图像二值化处理方法。 - Based on the theories of non-diffracting imaging system in coherent light, the measurement system of point spread function ( PSF) of non-diffracting imaging system has been presented.
在分析相干光照明下无衍射成像系统理论的基础上，设计了无衍射光成像系统的点扩散函数的测量系统。 - Parameter identification of point spread function in noisy and blur images
含噪声模糊图像的点扩展函数参数辨识 - Wideband spread function estimation in wavelet transform domain based on Kalman filtering approach
基于卡尔曼滤波器的小波变换域宽带扩展函数估计方法 - Through exploration of the point spread function of the blur of uniform linear motion, a novel method based on frequency-domain algorithm for identification of motion-blur direction was presented.
本文通过深入研究匀速直线运动模糊图像的点扩展函数，提出一种识别运动模糊图像模糊方向的频域方法。 - When the Point Spread Function ( PSF) associated with motion blur is unknown, estimating parameters of the PSF is necessary for image restoration.
在运动模糊的点扩散函数未知的情况下，估计运动模糊的点扩散函数是运动模糊恢复的前提和关键。 - Derivation of Energy Spread Function of Electron Pencil Beam Model
数值方法分析电子线笔形束模型的能量展宽函数 - Research on the Point Spread Function of Microscope Based on the Zernike Polynomials
基于泽尼克多项式的显微镜点扩展函数研究 - Optimization for X-Ray Image Based on Approximated Point Spread Function
基于近似点扩展函数的X射线图像优化 - This paper used Gaussian function as point spread function, applying in inverse filtering algorithm and Wiener filtering algorithm and improving them.
对模糊的成像结果进行图像复原，采用高斯函数作为点扩展函数，应用于三维逆滤波和维纳滤波算法中，改进了这两种算法。 - A Variational Image De-noising and De-blurring Method Incorporating Point Spread Function Information
利用点扩展函数信息的变分图像去噪及增晰方法 - Blind image restoration is to recover the original image form the observed degraded image with unknown the Point Spread Function ( PSF).
盲图像恢复就是在点扩散函数未知情况下从降质观测图像恢复出原图像。 - Point spread function ( PSF) and Strehl ratio ( SR) are used to evaluate the imaging quality of the system with different defocus parameters.
通过分析点扩散函数、斯特列比和离焦量的关系来评价三种不同掩模板对光学系统成像质量的影响。 - Point spread function ( PSF) estimation is very important in image restoration.
点扩展函数（PSF.PointSpreadFunction）的估计对图象复原具有重要的作用。 - A point spread function and a cost function are obtained with a physical analysis of the high-energy x-ray radiography.
通过对高能X光照相过程的物理分析，得到了辐射照相的点扩展函数，给出了估价函数的表达式。 - The measurement of microlenses includes diffractive efficiency measurement and point spread function measurement.
微透镜的测试主要包括衍射效率（diffractiveefficiency）和点扩散函数（PSF）的测试，有直接法和间接法两种测试方法。 - The form of the point spread function of the system is given.
采用此制式工作的成像系统的点扩散函数分布形式已在文中给出。 - Then the estimation of the spread function of the object/ scene to the imaging system is presented.
然后给出物体和场景到摄像系统的点扩展函数估计。 - Based on physical optics theorem, point spread function ( PSF) is calculated.
根据物理光学理论，计算了光学点扩散函数（PSF）。 - Differences between the experimental results and the theoretical calculation of the system point spread function are analyzed.
实际测试了系统的点扩散函数，分析了实验结果与理论计算值存在差异的原因；