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[Special Effects] Findedgesofacolorimage DL : 0: This program finds the edges of a color image by converting the original image to YCbCr color space. Basic edge detection technique used is canny. -This program finds the edges of a color image by converting the original image to YCbCr color space. Basic edge detection technique used is canny.
Date : 2025-12-28 Size : 7kb User : zhangpeng
[Special Effects] ASM_version1b DL : 0: ASM是由Cootes和泰勒推出的多分辨率方法的一个例子。基本思想：在ASM模型训练，训练从手工绘制的图像轮廓。发现的ASM模型在训练使用主成分分析（PCA），使该模型自动识别数据的主要变化是，如果可能的轮廓/好的对象的轮廓。还包含了ASM模型的协方差矩阵描述行垂直纹理口岸时，在正确的位置。 -Description This is an example of the basic Active Shape Model (ASM) as introduced by Cootes and Taylor, with multi-resolution approach. Basic idea: The ASM model is trained from manually drawn contours in training images. The ASM model finds the main variations in the training data using Principal Component Analysis (PCA), which enables the model to automatically recognize if a contour is a possible/good object contour. Also the ASM models contains covariance matrices describing the texture of the lines perpendicular to the control points when in the correct positions. After creating the ASM model, an initial contour is deformed by finding the best texture match for the control points. This is an iterative process, in which the movement of the control points is limited by what the ASM model recognizes from the training data as a "normal" object contour. Literature: - Ginneken B. et al. "Active Shape Model Segmentation with Optimal Features", IEEE Transactions on Medical I
Date : 2025-12-28 Size : 9.72mb User : 谢冉
[Special Effects] Example_of_edge_detection_edge_linking_and_line_se DL : 0: 这个matlab程序实现了Edge Linking and Line Segment Fitting，解压后直接运行demo.m就可以了 - edgelink.m edge linking function that forms lists of connected edge points from a binary edge image. (Needs findendsjunctions and cleanedgelist below). drawedgelist.m plots out a set of edge lists generated by edgelink or lineseg. edgelist2image.m transfers edgelist data back into a 2D image array. lineseg.m forms straight line segments fitted with a specified tolerance to the lists of connected edge points. maxlinedev.m is also used by lineseg.m to calculate deviations of the edge lists from the fitted segments. findendsjunctions.m finds line junctions and endings in a line/edge image. cleanedgelist.m cleans up a set of edge lists generated by edgelink or lineseg so that isolated edges and spurs that are shorter than a minimum length are removed.
Date : 2025-12-28 Size : 23kb User : liucun
[Special Effects] pointCloud2mesh DL : 0: 由点云数据（point cloud）生成网格（mesh）的matlab实现-Converts a pointcloud (unordered vertices) to a mesh of triangles by connecting the nearest 3 points and calculates the normal of each vertex and triangle. Also finds the neighboring triangles of each vertex and the neighboring triangles of each triangle.
Date : 2025-12-28 Size : 2kb User : tc
[Special Effects] watermaking DL : 0: 基于整数小波变换的图像可逆水印，很好用，可逆性很强，自己查找的资料(Image reversible watermarking based on integer wavelet transform is very useful. It has strong reversibility and finds information by itself.)
Date : 2025-12-28 Size : 4kb User : zyf812
[Special Effects] wave2gray DL : 0: 小波变换滤波方法，当调用wavefast函数发现matlab没有该函数，通过查阅找到了小波变换的m文件，保存成函数文件后就可以直接调用。(wave filter: The wavelet transform filtering method, when the call wavefast function finds that MATLAB does not have the function, it can be called directly after finding the m file of the wavelet transform and storing it as a function file)
Date : 2025-12-28 Size : 1kb User : 狮子座总钻风