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- 摘要:为了提高图像复原算法的性能 ,提出了一种改进的奇异值分解法估计图像的点扩散函数。从图像的退化离散模型 出发 ,对图像进行逐层分块奇异值分解 ,并自动选取奇异值重组阶数以减少噪声对估计的影响。利用理想图像奇异值向 量平均能谱指数模型 ,估计点扩散函数奇异值向量的频谱 ,再反傅里叶变换得到其时域结果。实验结果表明 ,该方法能 在不同信噪比情况下估计成像系统的点扩散函数 ,估计结果比原有估计方法有所提高 ,有望为图像复原算法的预处理提 供一种有效的手段。-Abstract : T
19ways+
- Approximation the exponential matrix.
expKDE
- Exponential Kernel Density
SimulatedAnnealing
- 本文介绍了模拟退火算法的原理和求解方法,并将其用于指数曲线的拟合,在Matlab语言环境下实现了该算法,并且与文献中的遗传算法、线性回归相比较。数值模拟结果表明,该算法能更好地实现最优拟合。-This article describes the principle of simulated annealing algorithm and solution methods, and used an exponential curve fitting, the language environmen
3pinghua
- 基于三次指数平滑法的青岛港集装箱吞吐量预测 资料讲述了采用三次平滑法对吞吐量的预测细节 和思路-Based on the three exponential smoothing forecast container throughput of Qingdao port information about the use of three smoothing forecasts on the throughput of the details and ideas
matrixexpoentialalgohmdiscussed
- 在计算机中如何进行矩阵指数算法的讨论-Computer matrix exponential algorithm discussed
liuren
- 计算机随机模拟日期才用泊松分布，利用指数分布求出时间-Before the date of the computer random simulation with Poisson distribution, calculated using exponential distribution of time
c38_2
- The solar energy received in one day is equivalent to more than ten times the anual energy consumption of everyone on earth. This revelation along with the worldwide trend of green energy, has led to an exponential growth of the number of Pho
Plot_of_sin_Vs_cos_in_2D
- Plot sin vs cos to get feel of complex exponential signals
1995_Feb
- using matrix pencil to estimate the parameter of a sum of complex exponential
laplace
- S. Boyd EE102 Lecture 3 The Laplace transform ² de¯ nition & examples ² properties & formulas { linearity { the inverse Laplace transform { time scaling { exponential scaling { time delay { derivative { integral {
Text-book-of-wileless-comm
- Wireless communications is, by any measure, the fastest growing segment of the communications industry. As such, it has captured the attention of the media and the imagination of the public. Cellular systems have experienced exponential growth ov
Numerical-books
- Wireless communications is, by any measure, the fastest growing segment of the communications industry. As such, it has captured the attention of the media and the imagination of the public. Cellular systems have experienced exponential growth ov
159Spectral_Digital_Signal_Image_Processing
- An immediate observation for those who deal with the processing of signals is the omnipresence of the concepts of frequency, which are called “spectra” here. This presence is important in the fields of theoretical research as well as in most appl
methods-for-frequency-selection-channel-in-WiMAX.
- for the influence of frequency selection in Wimax, we give some methods to use the frequency selection to improve the capacity of wimax.SINR PUSC FUSC AMC MIC (Mean Instantaneous Capacity)，EESM (Exponential Effective SINR Mapping)，E CRM (Effectiv
Non_Linear_Equations_Matlab
- Solution of a single non-linear equation Equations that can be cast in the form of a polynomial are referred to as algebraic equations. Equations involving more complicated terms, such as trigonometric, hyperbolic, exponential, or logarithmic fun
Exponential_Decay
- Exponential Decay Signal
1008.1628
- Performance Analysis of Markov Modulated 1-Persistent CSMA/CA Protocols with Exponential Backoff Scheduling
exponentielle
- this document contains the exponential function
text
- 问题描述：有两个指数递减的一元多项式，写一程序先求这两个多项式的和，再求它们的积。-Problem Descr iption: the two exponential decline polynomial, write a program to seek first two polynomials and then seek their product.