求取一幅灰度图像中的光斑形心的位置的Matlab的源代码。算法使用的是最大类间方差法编写的程序，可以得到光斑形心位置的（x,y）坐标。-strike a gray image of the heart-shaped spot on the location of the source code Matlab. The algorithm used is MBV Law prepared by the procedures, can be heart-shaped spot position (x, y) coordinates. 下载
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Otsu-最大类间方差Matlab代码 最大类间方差法原理：最大类间方差法是由日本学者大津于1979年提出的,是一种自适应的阈值确定的方法,又叫大津法,简称OTSU。它是按图像的灰度特性,将图像分成背景和目标2 部分。背景和目标之间的类间方差 ％ 大,说明构成图像的2 部分的差别越大,当部分目标错分为背景或部分背景错分为目标都会导致2 部 ％ 分差别变小。-Otsu - Otsu Matlab code Otsu Principle : Otsu law by Japanese scholars in the large-1979s, is an adaptive threshold established methodology, also known as big-law, referred to Otsu. It is based on image characteristics of the gray image can be divided into the background and objectives of Part 2. Background and objectives between the between-class variance%, which meant that the two images form part of the greater difference, When some background into the wrong target or part of the background into the wrong target will lead to sub-2% difference becomes smaller. 下载
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介绍了JPEG图像压缩算法,并在MATLAB 数学分析工具环境下从实验角度出发, 较为直观地探讨了DCT 在JPEG图像压缩中的应用。仿真实验表明,用MATLAB 来实现离散余弦 变换的图像压缩,具有方法简单、速度快、误差小的优点,大大提高了图像压缩的效率和精度。 李秀敏1 , 万里青1 , 周拥军2 (1. 河南科技大学电子信息工程学院,河南洛阳 471003 2. 中航一集团洛阳电光设备研究所,河南洛阳 471009)-introduced the JPEG image compression algorithm, MATLAB and mathematical analysis tool environment from experimental perspective, more directly on the DCT in JPEG image compression applications. Simulation results show that the use MATLAB to achieve discrete cosine transform image compression method is simple, fast, the advantages of a small error, which has greatly enhanced the efficiency of image compression and accuracy. LI Xiu-1, Green 1 Wanli, Zhou Yongjun 2 (1. Henan University of Science and Technology of Electronics and Information Engineering College, Luoyang, Henan 471003 2. A350 Luoyang Electro-Optic Equipment Institute, Luoyang, Henan 471009) 下载
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如何在图像中加入某一固定snr的噪声？分类:matlab与图像处理 在利用matlab做一些自己算法的抗噪分析中，常常会遇到这个问题，matlab中的加噪函数是imnoise，里面的参数是噪声的均值，方差（高斯噪声）或者是感染概率（椒盐噪声），参数不能是snr值，但是很多国外的文章的噪声分析中都是用snr值来衡量加入噪声的程度的-how the image to a fixed snr noise? Categories : Matlab and image processing using Matlab to do some of his own anti-noise algorithm analysis, will often encounter this problem, which Matlab the noise function is imnoise. inside the parameters of the noise mean and variance (Gaussian noise) or the probability of infection (Impulse Noise) Parameter values can not be snr, But many foreign article noise analysis is used to measure the value snr joined the extent of noise 下载
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hausdorff距离，用于图像处理中比较两幅图像的差异的方法。其鲁棒性较好。-hausdorff distance, for the image processing of the images compared two different methods. Its robustness better. 下载
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计算图像直方图的统计特征，包括均值，方差，熵，三阶矩等。-image histogram calculated the statistical characteristics, including mean, variance, entropy, such as third-order moments. 下载
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基于组织的粒子群优化的最大类间方差阈值图像分割- 下载
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基于组织的粒子群优化的最大类间方差图像多阈值分割- 下载
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对图像分块,计算每个块的均值和方差,并给出了结果的图象化表示,易于观察- 下载
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相关域内建方差算法对图像的基于区域的阈值分割-related construction within variance algorithm based on the image of the region threshold segmentation 下载
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