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[matlab] 图像处理22 DL : 0: matlab的图像处理。图像编码（HUFFMAN编码）小波变换，1、分别用sobel、Laplacian-Gaussian方法对一幅灰度图像进行边缘提取-Matlab image processing. Image Coding (HUFFMAN coding) wavelet transform, 1, respectively segmentation, Laplacian- Gaussian approach to a gray-scale image from the edge
Update : 2025-02-19 Size : 6kb Publisher : 陈大明
[Graph program] imageintensify DL : 0: 基于Matlab的结合Laplacian Pyramid 和反锐化掩膜的改进法的图像增强算法-Matlab based on a combination of Laplacian Pyramid and unsharp mask to improve the method of image enhancement algorithm
Update : 2025-02-19 Size : 3.39mb Publisher : shijing
[GDI-Bitmap] GlintDG DL : 0: 双高斯混合分布和高斯拉普拉斯混合分布的噪声仿真程序，用于分析闪烁噪声-Double Gaussian mixture Laplacian distribution and Gaussian mixture distribution noise simulation program for the analysis of flicker noise
Update : 2025-02-19 Size : 1kb Publisher : 姚超军
[Special Effects] GLPyramid2 DL : 0: 多尺度图像技术指对图像采用多尺度的表达，并在不同尺度下分别进行处理，也称多分辨率技术金字塔是一种有效的多尺度表达结构构建高斯金字塔和拉普拉斯金字塔高斯低通滤波器对应高斯金字塔中相邻两层图像差的带通滤波器 -Multi-scale imaging technology refers to the image using multi-scale expression, and in different scales, respectively, for processing, also known as multi-resolution technology pyramid is an effective expression of the structure of building a multi-scale Gaussian pyramid and Laplacian pyramid, Gaussian Gaussian low-pass filter corresponding to adjacent two-story pyramid with poor image bandpass filter
Update : 2025-02-19 Size : 1kb Publisher : Mingruixia
[Special Effects] ImageSegmentation DL : 0: 分别用sobel、Laplacian-Gaussian方法对一幅灰度图像进行边缘提取,给出对比结果.-Respectively sobel, Laplacian-Gaussian method of gray an image edge extraction, given the results compared.
Update : 2025-02-19 Size : 2kb Publisher : 龙活
[matlab] Imageprocessing DL : 0: 包括图像分析的四部分代码：matlab扩散和高斯函数，线性扩散，线性复扩散，非线性扩散。-It contains four parts： [1]MATLAB function:diffusion.m gauss.m [2]Linear diffusion Applying linear diffusion to images creating linear scale-space. MATLAB code: demo_lin.m Image: haifa1.bmp [3]Linear complex diffusion Applying linear complex diffusion creating Gaussian and Laplacian scale-spaces. MATLAB code: demo_cmplin.m [4]Nonlinear diffusions: Perona-Malik ["Anisotropic diffusion"] Catte et al. regularization of P-M Complex ramp-preserving diffusion Nonlinear edge preserving diffusions.The classical Perona-Malik process: the value of the diffusion coefficient is reduced near edges estimated by the first derivative. Best applied to step edges. A regularized version by Catte et al- the gradient estimation for controlling the process is smoothed by a Gaussian. Proved to be mathematically well-posed. Ramp preserving complex diffusion- best for ramp-type edges. Results are smoother with almost no staircasing effects. MATLAB code: demo_nldif.m Image: ct_scan.bmp
Update : 2025-02-19 Size : 234kb Publisher : 吴豪科
[Graph program] LoG DL : 0: Laplacian of Gaussian
Update : 2025-02-19 Size : 433kb Publisher : kelly
[Special Effects] LaplaceGaussianPyramid DL : 0: 运用拉普拉斯高斯金字塔方法进行景象匹配,实验证明该法能满足实时性和准确性.-The use of Gaussian Laplacian pyramid scene matching methods, experimental proof of the Act can satisfy the real-time performance and accuracy.
Update : 2025-02-19 Size : 2kb Publisher : 小苏
[Other] sharpness_measurement DL : 0: laplacian of gaussian test
Update : 2025-02-19 Size : 20kb Publisher : denny
[Other] DigitalImageProcessingMatlabAlgorithms DL : 0: These are Digital Image processing algorithm implementation in Matlabs. Following are the Matlab Codes attached: Butterworth Filter in Frequency Domain Gaussian Filter in Frequency Domain Homomorphic Filter Laplacian Transform Histogram Equalization Function
Update : 2025-02-19 Size : 4kb Publisher : Rizwan
[Special Effects] sharpen DL : 0: 数字图像处理中的平滑和锐化（边缘检测）。包括1、添加椒盐、高斯噪声。2对噪声污染的图像分别使用邻域平均法、中值滤波法、K邻近平均法进行平滑。3对一幅图像利用Roberts梯度法、Sobel算子和拉普拉斯算子进行锐化，并比较结果。附处理源图像和处理结果截图。 -Digital image processing smoothing and sharpening (edge detection). Including 1, add salt and pepper, Gaussian noise. Two pairs of images were used noise pollution neighborhood average, median filtering, K close to the average method to smooth. 3 on an image using Roberts gradient method, Sobel operator and Laplacian sharpening, and compare the results. Laws dealing with the source image capture and processing results.
Update : 2025-02-19 Size : 275kb Publisher : 刘雨相
[matlab] laplacian_of_gaussian_convolution_filter.m DL : 0: laplasian gaussian filter
Update : 2025-02-19 Size : 3kb Publisher : chintan
[matlab] log_edge DL : 0: 用matlab编写的拉普拉斯高斯算子代码（LoG算子），用该函数实现LoG算子提取图像边缘点的功能。-Written by matlab Laplacian of Gaussian operator code (LoG operator), using the LoG operator functions for extracting the image edge points of the function.
Update : 2025-02-19 Size : 1kb Publisher : 林安安
[Special Effects] MYGUI DL : 0: 第一章作业：用C语言或者VC，VB，Matlab或其他语言完成如下实验： 1）打开一个BMP文件 2）将其局部区域的灰度值进行改变 3）另存为一个新的BMP文件要求显示出原BMP图像和新BMP图像。 1。打开一幅图像，添加椒盐、高斯噪声，然后使用邻域平均法、中值滤波法、K邻近平均法进行平滑。 2。打开一幅图像，利用Roberts梯度法、Sobel算子和拉普拉斯算子进行锐化，并比较结果。第五章作业编写一个程序，对输入的图像进行哈夫曼编码，显示原图像的熵、编码后的平均码字长度、并能够根据编码重建出图像。在图像中生成一个矩形，然后用模板匹配法找出矩形位置。使用SSDA或改进SSDA法。第五章作业编写一个程序，对输入的图像进行哈夫曼编码，显示原图像的熵、编码后的平均码字长度、并能够根据编码重建出图像。 -Chapter operations: in C or VC, VB, Matlab or other languages to complete the following experiment: 1) open a BMP file 2) the gray value of its local area to change 3) Save as a new requirements display BMP files the original BMP image and the new BMP image. 1. Open an image, add salt and pepper, Gaussian noise, and then use the neighborhood average, median filtering, K adjacent average smoothing. 2. Open the image using the Roberts gradient, Sobel operator and Laplacian sharpening, and compare the results. Chapter operations to write a program, the input image Huffman, display the original image entropy encoded average code word length, and be able to reconstruct the image according to encoding. Generate a rectangle in the image, then use template matching to identify position of the rectangle. Or improved using the SSDA SSDA method. Chapter operations to write a program, the input image Huffman, display the original image entropy encoded average code word length, and be
Update : 2025-02-19 Size : 6kb Publisher : 杨智雄
[Special Effects] shuzituxiangchuli DL : 0: 作业一要求用C语言或者VC，VB，Matlab或其他语言完成如下实验： 1）打开一个BMP文件 2）将其局部区域的灰度值进行改变 3）另存为一个新的BMP文件要求显示出原BMP图像和新BMP图像。作业二要求 1. 编程实现图像傅立叶高通、低通滤波。 2. 尝试傅立叶压缩。作业三要求编程实现图像DCT高通、低通滤波。并与傅里叶变换比较。作业四要求找一幅曝光不足的灰度（或彩色）图像，按照直方图均衡化方法进行处理。作业五（一）要求打开一幅图像，添加椒盐、高斯噪声，然后使用邻域平均法、中值滤波法、K邻近平均法进行平滑。作业五（二）要求打开一幅图像，利用Roberts梯度法、Sobel算子和拉普拉斯算子进行锐化，并比较结果。 -Operating a Requirements C or VC, VB, Matlab or any other language, complete the following experiment: 1) Open a BMP file 2) the gray value of its local area change 3) Save as a new BMP file Requirement that the original BMP images and BMP images. Task 2 Requirements A programming image Fourier high-pass, low pass filtering. Try Fourier compression. Assignment 3 Requirements Programming to achieve high-pass, low pass filtering, image DCT. And compared with the Fourier transform. Fourth Assignment Requirements Looking for an exposure less than the gray (or color) image to be processed in accordance with the histogram equalization method. Assignment 5 (a) Requirements Open an image, add salt and pepper, Gaussian noise, and then use the neighborhood average, median filter, K, close to the average method of smoothing. Assignment 5 (b) Requirements Open an image, use the gradient method of Roberts, Sobel operator and Laplacian sharpening, and compare the results.
Update : 2025-02-19 Size : 3.99mb Publisher : 李海宁
[Special Effects] Matlab-image-filiter DL : 0: 用中值滤波，多维滤波，使用中心为-4,-8的拉普拉斯滤波器，高斯低通滤波，拉普拉斯滤波器进行滤波处理-Center of median filtering, multi-dimensional filtering,-4,-8 Laplace filter, the Gaussian low-pass filter, Laplacian filter to filter the
Update : 2025-02-19 Size : 1kb Publisher : wp
[Other] harri-hariislaplas-log DL : 0: matlab编写的角点检测算子，包括Harris，SUSAN，Harris-Laplace，Laplacian of Gaussian (LoG)以及Gilles五种算子，内含测试图像-matlab prepared corner detection operator, including Harris, SUSAN, Harris-Laplace, Laplacian of Gaussian (LoG) and Gilles five kinds of operators, including test image
Update : 2025-02-19 Size : 3.41mb Publisher : xiaoxian
[Other] EDGE-DETECTION-USING-LAPLACIAN-OF-GAUSSIAN DL : 0: I give you code generate edge detection an image processing using Laplacian of Gaussian algorithm which based on kernel matrix. it is not used matlab toolbox but handmade. so feel free to use it.-I give you code generate edge detection on an image processing using Laplacian of Gaussian algorithm which based on kernel matrix. it is not used matlab toolbox but handmade. so feel free to use it.
Update : 2025-02-19 Size : 6.01mb Publisher : jokosumeru
[Special Effects] image DL : 0: 调用自定义函数解决题目： 1.读取自然图像、生成合成图像、高相关图像、高去相关图像，完成压缩 2.得到傅里叶变换后的图像 3.fft中心变换\walsh变换，进行两种变换的对比 4.得到傅里叶变换后的图像和傅里叶变换需要的时间，显示变换后的图像，显示傅里叶变换时间随图像像素的变化 5.显示不同阶数butterworth高通滤波和低通滤波滤波器的传递函数和处理后的图像 6.调用butterworthw.m，显示原图像、原图像频谱、低通滤波、高通滤波的传递函数，以及滤波器处理后的图像 7.拉普拉斯高斯滤波器进行滤波处理图像，同时显示原图像和滤波处理后图像 8.增强的图像，同时显示原图像、增强图像、再次增强图像和它们的直方图 9.kirsch\sobele提取图像边缘并显示，同时显示自然图像、合成图像、它们kirsch提取边缘处理的图像、它们sobel提取边缘处理的图像，便于对比 10.压缩，并显示不同像素值的图像；得到傅里叶变换后的图像、傅里叶变换、傅里叶中心变换需要的时间(Program the Discrete Fourier Transform (DFT) and time this program to see how it varies as a function of the image size. Implement the Laplacian of the Gaussian filter on different images and determine the different results for the different standard deviations. Implement two of the edge detection operators (Kirsch and Sobel) and compare their respective results as a function of their edge data extraction for a same gray scale threshold.)
Update : 2025-02-19 Size : 620kb Publisher : malvina
[Speech/Voice recognition/combine] laplacian DL : 0: pengolahan citra digital dengan matlab menggunakan metode laplacian of gaussian
Update : 2025-02-19 Size : 2.09mb Publisher : DeltaFrost