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GMM高斯混合模型进行背景建模(Matlab)
转:https://blog.csdn.net/jinshengtao/article/details/26278725
混合高斯背景建模是基于像素样本统计信息的背景表示方法,利用像素在较长时间内大量样本值的概率密度等统计信息(如模式数量、每个模式的均值和标准差)表示背景,然后使用统计差分(如3σ原则)进行目标像素判断,可以对复杂动态背景进行建模,计算量较大。
在混合高斯背景模型中,认为像素之间的颜色信息互不相关,对各像素点的处理都是相互独立的。对于视频图像中的每一个像素点,其值在序列图像中的变化可看作是不断产生像素值的随机过程,即用高斯分布来描述每个像素点的颜色呈现规律单模态(单峰),多模态(多峰)(Gaussian mixture background modeling is a background representation method based on the statistical information of pixel samples. Statistical information such as the number of patterns, the mean and standard deviation of each pattern are used to represent the background. Statistical difference (such as 3_principle) is used to judge the target pixel. Complex dynamic background modeling has a large amount of computation.
In the Gaussian mixture background model, it is considered that the color information between pixels is uncorrelated and the processing of each pixel is independent of each other. For each pixel in a video image, the change of its value in a sequential image can be seen as a random process that produces pixel values continuously, i.e. Gaussian distribution is used to describe the regularity of color rendering of each pixel in single mode (single peak) and multi-mode (multi-peak).)
- 2020-11-01 09:49:54下载
- 积分:1
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Fourier_Discriptor
基于傅里叶描述子对旋转、平移等运动的不敏感性,识别目标(recognize the objects with rotation, translation, etc based on fourier descriptor.)
- 2010-07-22 11:03:11下载
- 积分:1
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DSP-transponder-signal-processing
利用TMS320VC5509A为核心的DSP处理硬件,通过软件实现自适应Notch滤波和瞬时频率序列方差检测(VIRD)运算,在较低信噪比使用条件下完成对单频测距信号的可靠检测和判定(Using tms320vc5509a DSP core processing hardware, adaptive notch filter and variance of instantaneous frequency sequence detection (Vird) operation is realized by software, in low signal to noise ratio under the conditions of use complete reliable detection of single frequency ranging signal and judging)
- 2016-02-20 20:44:28下载
- 积分:1
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matlab
图像去模糊处理,分别运用了维纳滤波器、deconvreg方法、deconvlucy方法、盲反卷积等方法。非常实用(Image deblurring processing, namely the use of the Wiener filter, deconvreg method, deconvlucy methods, blind deconvolution methods. Very useful)
- 2020-11-06 01:09:50下载
- 积分:1
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图象处理原码
一个很实用图象处理原码(a practical source image processing)
- 2004-09-07 10:38:48下载
- 积分:1
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matlab.thresholding-master
说明: 在计算机视觉中,图像分割是将图像分成多个片段的过程。这使我们能够通过以比原始图像更简单的表示方式来更好地分析图像。一种用于分割图像的方法是阈值分割;也就是说,将强度值低于阈值的所有像素设置为背景值,而将高于阈值的其他像素设置为前景值。最简单的阈值处理形式是对所有像素使用全局阈值,而自适应阈值处理根据像素及其周围环境动态改变阈值。典型地,阈值处理从灰度图像开始,并输出二进制图像以清晰地描绘图像中的片段。在本实验中,我们开发了一种自适应阈值算法,并将其与更简单的算法进行了比较。 此外,我们还开发了逆运动学证明来将机械臂移动到给定的x,y,z坐标。这一证明涉及三种命名身份,并获得了对机械臂设计的更好理解。(Image threshold segmentation)
- 2019-04-14 15:41:02下载
- 积分:1
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snake_demo_matlab
snake模型寻找图像边界,以及改进的GVF算法(snake model for image border, and to improve the algorithm GVF)
- 2007-04-23 21:11:16下载
- 积分:1
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histeqgray
说明: 直方图均衡化,直方图均衡化vc++源代码(histogramequalization)
- 2009-09-03 23:52:55下载
- 积分:1
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bi_balance
几种图像增强的方法,有双直方图均衡,函数均衡等几种方法(several image enhancement methods, a double histogram equalization, function balance methods)
- 2007-05-23 15:13:07下载
- 积分:1
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分子图像处理的软件 molecular-imaging-master
分子图像处理的软件,但没有数据库,具体操作看操作说明(Molecular image processing software, but there is no database, see the specific operation instructions)
- 2020-06-19 11:20:02下载
- 积分:1