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Description: Snake 动态轮廓模型,GVF Snake,经典文章两篇。Active contour model. Kass Snakes Active Contour Models, Xu , Snakes, Shapes, and Gradient Vector Flow-Snake dynamic contour model, GVF Snake, the classic article 2. Active contour model. Kass Snakes Active Contour Models, Xu, Snakes, Shapes, and Gradient Vector Flow
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Size: 3232768 |
Author: 陈勇 |
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Description: 最优化-约束和无约束共轭梯度法程序c-Optimization- constrained and unconstrained conjugate gradient method procedures c
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Size: 8192 |
Author: yuer |
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Description: 给出几种形态学梯度算法，包括但尺度梯度，多尺度梯度，多结构元素梯度等-Several morphological gradient algorithm is given, including, but gradient-scale, multi-scale gradient, multi-structural elements, such as gradient
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Size: 1024 |
Author: 杨华 |
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Description: This source code is the design of intra prediction of H.264. The aim of the source code is to increase the coding speed of intra prediction in H.264. The results shown that the gradient method can really reduce the coding time.
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Size: 5069824 |
Author: AnChao |
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Description: 一个介绍最优化方法课件，很详细。从最简单的一维搜索到共轭梯度，最速下降法等等，都有说明-An optimization method introduction courseware, in great detail. From the simplest one-dimensional search to the conjugate gradient, steepest descent method, etc., all indicate
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Size: 59392 |
Author: lgl |
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Description: 使用梯度幅度预处理，再通过分水岭变换方法分割灰度图象-Pretreatment of the use of gradient magnitude, and then through the watershed transform gray-scale image segmentation
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Size: 24576 |
Author: 姜丽 |
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Description: 使用jQuery插件实现DIV背景颜色渐变-DIV using jQuery plug-ins to achieve the background color gradient
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Size: 20480 |
Author: 李子杰 |
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Description: 边缘检测和图像分割matlab程序代码说明
P0401：用Prewitt算子检测图像的边缘
P0402：用不同σ值的LoG算子检测图像的边缘
P0403：用Canny算子检测图像的边缘
P0404：图像的阈值分割
P0405：用水线阈值法分割图像
P0406：对矩阵进行四叉树分解
P0407：将图像分为文字和非文字的两个类别
P0408：形态学梯度检测二值图像的边缘
P0409：形态学实例——从PCB图像中删除所有电流线，仅保留芯片对象
-Edge detection and image segmentation matlab code Description P0401: detection using Prewitt operator Edge P0402: different σ value Log Operators image edge detection P0403: using Canny edge detection image edge P0404: Image Thresholding P0405: water line thresholding image segmentation P0406: for the matrix quadtree decomposition P0407: the image is divided into text and non-text for these two types of P0408: morphological gradient detected binary image of the edge of P0409: morphological examples-- images from the PCB to remove all current lines, retaining only the target chip
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Size: 51200 |
Author: pride |
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Description: 计算梯度下降法计算极值，只能找到局部最小点。可以通过调整步长实现全局最小-Calculation of gradient descent method to calculate extreme value, can only find local minimum point. By adjusting the step size can achieve the global minimum
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Size: 1024 |
Author: 宗丹 |
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Description: 自己编写的图像质量评价函数，包括方差、平均梯度、模糊熵、信息熵-I have written the image quality evaluation function, including the variance, with an average gradient, fuzzy entropy, information entropy
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Size: 3072 |
Author: llb |
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Description: 图像重建常常被转化为解非线性无约束极值问题, 通过范数极小化推导出共扼梯度法的
一般算法。通过对模拟数据和实际工件断层扫描数据进行图像重建, 估计了算法的有效性, 结果表明, 与最速下降法相比, 此算法更适用于不完全投影数据的图像重建, 在保证重建图像拟合度的同时, 大大提高了重建速度。-Image reconstruction has often been transformed into solving nonlinear unconstrained extremum problem, through the norm minimization derived conjugate gradient method the general algorithm. Through the simulation data and actual data workpiece tomography image reconstruction, it is estimated that the effectiveness of the algorithm, the results showed that compared to steepest descent method, this algorithm is more applicable to incomplete projection data image reconstruction, in ensuring that the reconstructed image fit at the same time, greatly improving the speed of reconstruction.
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Size: 364544 |
Author: 孙翔 |
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Description: 设有一基于格型梯度算法的预测器，其输入 由的AR模型产生，本程序可以得出自适应预测器的曲线-There is a gradient algorithm based on the lattice of the predictor, the input generated by the AR model, the procedure can be drawn Curve Adaptive Predictor
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Size: 1024 |
Author: 张宗彬 |
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Description: 非刚性图像配准算例，包括最速梯度下降优化、二次样条、2D/3D配准、互信息最小化、3D仿射等多种配准算法。
非刚性配准是当前应用最多的配准方法，用于处理有较大位移的配准问题-Non-rigid image registration examples, including the steepest gradient descent optimization, quadratic spline, 2D/3D registration, mutual information minimization, 3D affine registration algorithm, etc.. Non-rigid registration is currently the most widely used registration methods used to deal with a greater displacement of registration problems
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Size: 245760 |
Author: zhangji |
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Description: 实现两种锐化图像输出，要求采用两种梯度算子：
（1）Sobel梯度算子（2）拉普拉斯算子：-The realization of two types of sharpening the image output request using two gradient operator: (1) Sobel gradient operator (2) Laplacian:
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Size: 1024 |
Author: 赵少敏 |
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Description: 在VC环境中绘制多种颜色的三角形，三角形的三个点采用不同的颜色，实现颜色的渐变-VC environment in multi-color rendering of the triangle, the triangle of three dots of different colors to achieve color gradient
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Size: 1024 |
Author: 威廉 |
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Description: 给出了线性方程组矩阵Ax=b在并行预处理共轭梯度法求解过程，绝对有用哟-Gives the matrix of linear equations Ax = b in parallel preconditioning conjugate gradient method for solving process, is absolutely useful to yo
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Size: 4096 |
Author: 张景 |
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Description: 压缩包里包含了无约束优化问题常用的几种求解方法的源程序：变量轮换法（variable_rotation.m）、最速下降法（steepest_descent.m）、修正牛顿法（modified_newton.m）、共轭梯度法（conjugate_gradient.m）。另外，coefficient_matrix.m为目标函数系数获得矩阵，minval.m为最小值计算函数，gradient.m为梯度计算函数-Compression bag contains unconstrained optimization problems of several commonly used method of source: variable rotation Act (variable_rotation.m), steepest descent method (steepest_descent.m), as amended Newton (modified_newton.m), conjugate gradient method (conjugate_gradient.m). In addition, coefficient_matrix.m as the objective function coefficients obtained matrix, minval.m function for the minimum calculation, gradient.m for gradient calculation function
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Size: 4096 |
Author: 闫安心 |
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Description: 用水线阈值法分割图像 对矩阵进行四叉树分解 将图像分为文字和非文字的两个类别 形态学梯度检测二值图像的边缘-Water line image thresholding segmentation of matrix quadtree decomposition of the image into text and non-text for these two types of morphological gradient detected binary image of the edge
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Size: 1024 |
Author: 焦竹青 |
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Description: 约束最优化方法－－最速下降法(也叫梯度法)，是人们用来求多个变量函数极值问题的最早的一种方法。-Constrained optimization methods- steepest descent method (also known as gradient method), is used for multiple variables function Extremum Problems earliest methods.
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Size: 2048 |
Author: anytry |
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Description: （1）获得图象的直方图，将其均衡化，显示灰度变换函数及图象效果；
（2）分别用梯度法、拉氏算子、Sobel算子以及中值过滤等方法对图象进行增强，并对增强效果进行比较；
（3）用钝化算子、高频提升、内查、外推等方法对图象进行增强。
（4）用Matlab工具进行彩色图象增强方法和彩色图象处理方法的实验-(1) to obtain images of the histogram equalization to show gray-scale transformation function and image results (2), respectively, with gradient method, Laplace operator, Sobel operator and the value of filters and other methods of image to strengthen and enhance the effectiveness of comparison (3) passivation operator, high-frequency enhancement in the investigation, the extrapolation methods of image enhancement. (4) using Matlab tools color image enhancement and color image processing method of experiment
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Size: 2270208 |
Author: 杨怡 |
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