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CAGD_NURBS
施法中新版《计算几何与计算机图形学》,书中所带光盘,包含书中源码和其团队开发的软件,能够实现曲线曲面拟合和编辑(The new cast of Computational Geometry and Computer Graphics , the book brought the disc that contains the source code in the book and his team developed software enables curve and surface fitting and edit)
- 2016-02-15 09:40:33下载
- 积分:1
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pratt
Edge preservation measure Index: Pratt s Figure of Merit
- 2009-10-23 15:15:36下载
- 积分:1
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ImageCutofRGB565BMP
裁剪以RGB565格式保存的BMP文件,涉及位图掩码内容(imagecut of the BMP picture which saved with RGB565 format and mask)
- 2015-01-22 10:57:48下载
- 积分:1
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twomodegauss
计算一个已归一化到单位区域的双峰值高斯函数(Calculation of a normalized unit area to the two-peak Gaussian function)
- 2008-01-10 11:16:45下载
- 积分:1
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信号去噪界面
说明: 算法对心磁信号去噪的应用以及弱磁信号的抗干扰算法的GUI界面,以及性能分析(The application of the algorithm to the denoising of the magnetic heart signal and the GUI interface of the anti-jamming algorithm of the weak magnetic signal, and performance analysis)
- 2021-03-17 09:41:46下载
- 积分:1
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Fivepoint
一个老外用matlab 编写的5点法图像相对定向程序,是目前最新的算法实现。(5 point to prepare for a foreigner relative orientation program)
- 2012-04-10 17:22:36下载
- 积分:1
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特征选择之relief-F的MATLAB实现
Relief-F 算法是由 Kononenko 在 Relief 算法基础上扩展得到的,可以用来解决多分类与回归问题。 Relief-F 特征选择算法利用特征与类别间的相关程度判别特征的敏感程度,敏感的特征能使同类样本靠近,非同类样本远离。基本思想是: 先随机从总样本集 D中获取一个样本 R, 然后在 与 R 同类样本集中和与R 异类 样 本 集 中 各 获 取 k 个近 邻 样 本, 在 特 征 集 F中如果某个特征上异类样本的距离大于同类样本,则这个特征是有利于分类的,增加其权重,重复 n 次 取所有结果的均值作为每个特征的最终权重值.
- 2020-11-29下载
- 积分:1
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Tamuratexture
图像纹理特征提取,是图像处理中一另一个非常重要的底层特征,matlab实现(Image texture feature extraction, image processing are very important to one another underlying characteristics, matlab implementation)
- 2009-02-24 12:06:09下载
- 积分:1
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two
:植物种类识别方法主要是根据叶片低维特征进行自动化鉴定。然而,低维特征不能全面描述叶片信息,识别准确率低,本文提
出一种基于多特征降维的植物叶片识别方法。首先通过数字图像处理技术对植物叶片彩色样本图像进行预处理,获得去除颜色、虫洞、 叶柄和背景的叶片二值图像、灰度图像和纹理图像。然后对二值图像提取几何特征和结构特征,对灰度图像提取 Hu不变矩特征、灰 度共生矩阵特征、局部二值模式特征和 Gabor 特征,对纹理图像提取分形维数,共得到 2183 维特征参数。再采用主成分分析与线性 评判分析相结合的方法对叶片多特征进行特征降维,将叶片高维特征数据降到低维空间。使用降维后的训练样本特征数据对支持向量 机分类器进行训练(plant species identification method is mainly based on blade automatic identification of low dimensional characteristics.However, can not fully describe blade low-dimensional feature information, identification accuracy is low, in this paper
A kind of plant leaves recognition method based on multiple feature dimension reduction.First by digital image processing technology to the plant leaf color sample image preprocessing, obtain background color removal, wormhole, petioles, and the blades of a binary image, gray image and texture image.Then the binary image to extract the geometric characteristics and characteristics of structure and characteristics of gray image extraction Hu moment invariants, gray co-occurrence matrix feature, local binary pattern features and Gabor, to extract the fractal dimension of texture image, get 2183 d characteristic parameters.By principal component analysis and linear uation analysis method of combining the characteristics of blade more feature dimensi)
- 2017-02-28 09:57:50下载
- 积分:1
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结构函数法
说明: 通过拟合出一条曲线,对这个曲线进行结构函数法的分形维数计算,得到其粗糙度(By fitting a curve, the fractal dimension of the curve is calculated by structural function method, and its roughness is obtained)
- 2021-04-22 10:58:49下载
- 积分:1