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PCA
主成分分析 （ Principal Component Analysis ， PCA ）或者主元分析。是一种掌握事物主要矛盾的统计分析方法，它可以从多元事物中解析出主要影响因素，揭示事物的本质，简化复杂的问题。计算主成分的目的是将高维数据投影到较低维空间。给定 n 个变量的 m 个观察值，形成一个 n ′ m 的数据矩阵， n 通常比较大。对于一个由多个变量描述的复杂事物，人们难以认识，那么是否可以抓住事物主要方面进行重点分析呢？如果事物的主要方面刚好体现在几个主要变量上，我们只需要将这几个变量分离出来，进行详细分析。但是，在一般情况下，并不能直接找出这样的关键变量。这时我们可以用原有变量的线性组合来表示事物的主要方面， PCA 就是这样一种分析方法。(Principal component analysis (Principal Component Analysis, PCA) or PCA. Is a statistical method to grasp the principal contradiction of things, it can be resolved diverse things out the main factors, revealing the essence of things, simplifying complex problems. The purpose of calculating the main component of high-dimensional data is projected to a lower dimensional space. Given n variables of m observations, forming an n ' m of the data matrix, n is usually large. For a complex matters described by several variables, it is difficult to know, so if you can grab something to focus on key aspects of analysis? If the main aspects of things just reflected on several key variables, we only need to separate out these few variables, for detailed analysis. However, in general, does not directly identify this critical variables. Then we can represent the major aspects of things with a linear combination of the original variables, PCA is one such analysis.)
- 2021-01-28 21:48:40下载
- 积分：1
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SIFT_RANSAC_MATCH
利用GPU加速的SIFT算法，实现影像匹配，并利用RANSAC进行粗差的剔除(GPU-accelerated use SIFT algorithm to achieve image matching, and use RANSAC removing coarse poor)
- 2021-04-09 19:49:14下载
- 积分：1
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FuzzyClustering
模糊聚类程序，并且有文档，详细的给出了模糊聚类算法的各个步骤。(Fuzzy clustering procedure, and there are documents, is given in detail the various steps in fuzzy clustering algorithm.)
- 2009-11-16 06:49:56下载
- 积分：1
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watermark综述+代码
数字水印算法实现（matlab程序包），包含有DCT水印嵌入算法，DWT水印嵌入算法，以及水印攻击和性能测试程序。参考价值极大(digital watermarking algorithm (Matlab package), including a watermark embedded DCT algorithm, DWT algorithm embedded watermark, watermark and attack and performance testing procedures. Great value)
- 2020-12-20 15:09:11下载
- 积分：1
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Purity_simulation
mode purity method simulation
- 2017-11-25 00:33:20下载
- 积分：1
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skin
matlab肤色检测程序。rgb2tsl.m用作颜色模式转换,将RGB模式转换为TSL模式。skin.m实现肤色检测，肤色区域为白色，非肤色区域为黑色。(matlab color detection procedure. rgb2tsl.m color model used for conversion, will be converted to RGB mode TSL model. realize skin.m color detection, color region is white, non-color region is black.)
- 2008-06-02 10:33:15下载
- 积分：1
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能带图
说明： 其可以直接绘制vaspkit生成的能带图，直接调用即可，可以批量生成能带图(It can directly draw the band diagram generated by vaspkit)
- 2020-05-27 11:46:48下载
- 积分：1
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SFCM
说明： 基于空间信息的模糊均值聚类算法，SFCM，适用于数据分析，图像分割(space fuzzy-c-means clustering algorithm)
- 2021-04-22 21:08:48下载
- 积分：1
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摄像头
说明： 利用DELPHI编写的摄像头程序，摄像头采用USB摄像头(Using the camera program written by DELPHI, the camera uses a USB camera.)
- 2020-06-15 23:20:01下载
- 积分：1
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超像素分割程序
超像素实现图像分割，可以实现彩色图像分割(An EM algorithm is used for image segmentation.)
- 2020-06-18 21:40:01下载
- 积分：1
