Description: 混合高斯分布EM算法,可以算混合高斯分布的三个参数。混合高斯分布更接近系数分布。-mixed Gaussian distribution EM algorithm can calculate mixed Gaussian distribution of the three parameters. Mixed closer to the Gaussian distribution coefficient. Platform: |
Size: 9216 |
Author:连强 |
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Description: 运动估计的几种方法,包括线性预测法、混合高斯法、特征值法和相邻帧差法等-Several motion estimation methods, including linear prediction method, mixed-Gaussian law, Eigenvalue and adjacent frames, such as poor law Platform: |
Size: 3072 |
Author:郑锦 |
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Description: GSM TCH/FS 信道编码仿真
仿真通信系统包括内外编码器、交织重排器、加性/突发或混合干扰信道、去交织反重排器、内外译码器,模拟了信息从信源到信宿的全过程;
在高斯噪声、突发干扰或混合信道下测试每个步骤对误码率和系统性能的影响,通过数字及图形的比较,得出通信系统中各个模块的作用。-GSM TCH/FS channel coding simulation Simulation of communication systems, including internal and external encoder, interleaving rearrangement, and additive/sudden or mixed channel interference, de-interlacing anti-rearrangement, and internal and external decoder, analog information from the source to the letter places the entire process in Gaussian noise, sudden disruption or mixed channel to test each step of the bit error rate and system performance, through the figures and graphics comparison, the communication system in the role of each module. Platform: |
Size: 45056 |
Author:123456 |
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Description: 混合高斯模型
对于给定的数据,可以自动选择最佳聚类数目和聚类中心,并根据判决规则进行收敛,运算很快,非常方便-Mixed-Gaussian model for a given data, can automatically select the best cluster number and cluster centers, and in accordance with decision rules convergence, compute very fast, very convenient Platform: |
Size: 60416 |
Author:辛芳芳 |
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Description: 附件中的m代码包括了一系列的拟合函数,这些函数通常的输入是概率分布的样本。还有最大似然估计仿真器、最小平方仿真器、混合高斯分布估计的EM算法、-M in the annex to the code, including a series of fitting function, which function normally is the probability distribution of input samples. There are maximum likelihood estimation simulator, emulator least squares, mixed-Gaussian distribution is estimated that the EM algorithm, Platform: |
Size: 68608 |
Author:liyuedsg |
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Description: 改进的高斯混合模型用于运动目标的检测和分割,利用C++和matlab混合编程.-Improved Gaussian mixture model for moving object detection and segmentation, the use of C++ and matlab programming mixed. Platform: |
Size: 271360 |
Author:杨佳 |
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Description: 用于混合高斯的图像建模,可用于图像的分析和理解-For the mixed Gaussian image modeling, can be used for image analysis and understanding Platform: |
Size: 40960 |
Author:士大夫 |
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Description: DSB-SC信号的生成与解调
1) 用离散(DSP)的方法生成DSB信号
2) 载波频率为150KHz,音频为500Hz和2000Hz的混合音。
3) 加入高斯白噪声
(4) 语音信号
的传输。
改变抽样频率和量化台阶大小,观察重建信号以及量化噪声信号的波形;对于语音信号主观评价声音质量的变化。
-DSB-SC signal generation and demodulation 1) Discrete (DSP) methods to generate DSB signal 2) the carrier frequency to 150KHz, audio 500Hz and 2000Hz for the mixed tone. 3) by adding white Gaussian noise (4) transmission of voice signals. Change the sampling frequency and quantization step size, to observe the reconstruction of signal and quantization noise signal waveform for subjective evaluation of the speech signal changes in sound quality. Platform: |
Size: 28672 |
Author:Ryan |
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Description: 【 摘 要】 提出了一种基于负熵的快速不动点1 C A算法, 介绍了负熵的定义和如何将其用作代价函数度量混合信号的非
高斯性。 详细介绍了基于负熵的固定点准则以及简化算法。实验选取 3个非高斯向量作为信号源进行 Ma t l a b分离仿真, 结果显示
分离效果良好。-Abstract Based on the rapid Negentropy 1 CA fixed point algorithm, introduced the definition of negentropy and how to measure its cost function for mixed-signal of the non-Gaussian. Described in detail based on the fixed-point Negentropy criteria and simplify the algorithm. Experiment to select three non-Gaussian vector as a signal source separation Ma tlab simulation results showed good separation efficiency. Platform: |
Size: 141312 |
Author:金振东 |
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Description: 混合高斯分布中基于最大期望算法的参数估计模型,适应于通信与信号处理以及统计学领域-Mixed Gaussian distribution algorithm based on the parameters of the greatest expectations of the estimated model, adapted to communications and signal processing, as well as the field of statistics Platform: |
Size: 6144 |
Author:赵亮 |
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Description: MATLAB医学影像处理实验(内含14个原代码及教学的说明)
(1)Plot a sine function using MATLAB, and write the data into a file
(2)Read data from a file, plot a SINC function, and append the result back to the same file
(3)Plot a Gaussian distribution using MATLAB
(4)Fourier transform of a square function is a SINC function
(5)1-D low-pass filters and their point-spread functions
(6)2-D low-pass filters and their point-spread functions
(7)Fourier Transform of circles and an ellipse
(8)Image rotation and magnification
(9)MR k-space data reconstruction and low-pass filter
(10)Display an image in gray level
(11)Display an image in color
(12)Region of interest selection and display
(13)Cross correlation between temperature and humidity
(14)Independent component analysis of mixed music files -MATLAB Medical Image Process Experiments (including 14 source code and course documents)
(1)Plot a sine function using MATLAB, and write the data into a file
(2)Read data from a file, plot a SINC function, and append the result back to the same file
(3)Plot a Gaussian distribution using MATLAB
(4)Fourier transform of a square function is a SINC function
(5)1-D low-pass filters and their point-spread functions
(6)2-D low-pass filters and their point-spread functions
(7)Fourier Transform of circles and an ellipse
(8)Image rotation and magnification
(9)MR k-space data reconstruction and low-pass filter
(10)Display an image in gray level
(11)Display an image in color
(12)Region of interest selection and display
(13)Cross correlation between temperature and humidity
(14)Independent component analysis of mixed music files Platform: |
Size: 2280448 |
Author:江儜昶 |
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Description: 用matlab编的混合高斯模型的背景建模方法,可以参考一下。-Matlab compiled using a mixed Gaussian model of background modeling method, you can reference. Platform: |
Size: 2048 |
Author:sunrui |
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Description: 一个信号加入高斯噪声后的混合输出,在进PPM调制输出调制信号-Gaussian noise is a signal to the mixed output, the output modulation signal modulated into the PPM Platform: |
Size: 1024 |
Author:陈春林 |
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Description: 根据伪随机序列理论,由混合同余法产生均匀分布的随机数,进而根据中心极限定理来产生高斯噪声。
分析所产生的均匀分布和高斯分布随机信号的均值、方差、自相关等数字特征,估计其概率密度函数并进行分析,估计其功率谱密度并进行分析。说明该高斯噪声是否符合白噪声特性。
对该高斯噪声进行FIR低通滤波,估计输出低通型限带白噪声的功率谱、相关时间等,并结合白噪声通过线性系统相关理论来进行分析。
-According to the theory of pseudo-random sequence, a uniformly distributed random numbers by mixed congruential method to generate Gaussian noise, and then according to the central limit theorem. Produce a uniform distribution of the analysis and the mean of the Gaussian distribution random signals, variance, since the digital characteristics of the correlation, the probability density function is estimated and analyzed, it is estimated that its power spectral density, and analyzed. The Gaussian noise is in line with the characteristics of white noise. FIR low pass filter of the Gaussian noise, the estimated output of low-pass type band-limited white noise power spectrum, time, etc., combined with the white noise to be analyzed by linear system theory. Platform: |
Size: 1024 |
Author:Lee |
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Description: 基于混合高斯模型的matlab代码,用于求概率问题,可行,已经运行过了-Based on Gaussian mixture model matlab code for the required probability problems, feasible and has been running over Platform: |
Size: 2048 |
Author:金豆豆 |
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Description: 这是一个混合高斯模型的MATLAB程序,能够实现运动目标检测阶段,仅供初学者参考。-This is a mixed Gaussian movement target detection MATLAB program, can achieve the initial detection of moving objects, only for beginners reference Platform: |
Size: 2048 |
Author:郑加敏 |
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Description: 混合高斯,背景减除,但是扣除后还有大量雪花,需要进一步改进如果要求较高的话。(Mixed gaussian, background subtraction, but after deducting a lot of snow, need to further improve if required.) Platform: |
Size: 2048 |
Author:liuxlin
|
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Description: 包含基于Huber函数和最大相关熵的抗差滤波算法,以及与卡尔曼滤波算法的对比,用于GNSS导航定位粗差处理。同时主函数中包含混合高斯随机数生成方法。(The Huber function and maximum correntropy criterion based robust Kalman filter is included, which can be used for biases in measurements for GNSS positioning. The mixed Gaussian distribution data generation function is also included in the main function.) Platform: |
Size: 585728 |
Author:殷利建 |
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