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本软件是由作者经过数字图像处理课程的学习,采用vc++.net将其基本算法实现,其算法主要包括: 1.点运算(灰度直方图,直方图均衡处理,线性运算,二值化,灰度化等) 2.几何运算(旋转,放缩,镜像,平移) 3.几何空间增强(均值,中值滤波器,k近邻均值,中值滤波器,Roberts,sobel,priwitt,laplacian,wallis锐化算子等) 4.频率域增强(基2FFT进行空间域到频率域的转换,高斯,理想,巴特沃斯高低通滤波器) 5.形态学(膨胀,腐蚀,开,闭运算,边缘提取) 6.图像复原(加躁)----- 由于时间关系这部分为完成 7.另外加上一个用于读取24位dib的类。-the software is the author of Digital Image Processing courses of study, using vc. Net to its basic algorithm, the algorithm include : 1. Point Operators (histogram, histogram equalization, linear operation, two values, such as Gray) 2. Geometric Operational (rotation, scaling, mirror and translation) 3. geometric space enhancement (mean, median filter, k neighbors Mean, Median Filter, Roberts, segmentation, priwitt, Laplacian, Wallis Sharpening operator, etc.) 4. frequency Domain Enhancement (radix 2 FFT space frequency domain to the domain conversion, Gaussian, ideals, Butterworth High-Low Pass Filter) 5. Morphology (expansion, corrosion, open and close operations, edge extraction) 6. Image Restoration (plus impatient Hoffmann because of the time this is completed seven. Added to read fo
Date : 2008-10-13 Size : 3.26mb User : 王晗

本软件是由作者经过数字图像处理课程的学习,采用vc++.net将其基本算法实现,其算法主要包括: 1.点运算(灰度直方图,直方图均衡处理,线性运算,二值化,灰度化等) 2.几何运算(旋转,放缩,镜像,平移) 3.几何空间增强(均值,中值滤波器,k近邻均值,中值滤波器,Roberts,sobel,priwitt,laplacian,wallis锐化算子等) 4.频率域增强(基2FFT进行空间域到频率域的转换,高斯,理想,巴特沃斯高低通滤波器) 5.形态学(膨胀,腐蚀,开,闭运算,边缘提取) 6.图像复原(加躁)----- 由于时间关系这部分为完成 7.另外加上一个用于读取24位dib的类。-the software is the author of Digital Image Processing courses of study, using vc. Net to its basic algorithm, the algorithm include : 1. Point Operators (histogram, histogram equalization, linear operation, two values, such as Gray) 2. Geometric Operational (rotation, scaling, mirror and translation) 3. geometric space enhancement (mean, median filter, k neighbors Mean, Median Filter, Roberts, segmentation, priwitt, Laplacian, Wallis Sharpening operator, etc.) 4. frequency Domain Enhancement (radix 2 FFT space frequency domain to the domain conversion, Gaussian, ideals, Butterworth High-Low Pass Filter) 5. Morphology (expansion, corrosion, open and close operations, edge extraction) 6. Image Restoration (plus impatient Hoffmann because of the time this is completed seven. Added to read fo
Date : 2025-12-13 Size : 3.26mb User : 王晗

首先介绍了图像中噪声的产生及与图像信号相关的噪声的分类,然后分别讨论了用于图象平滑去噪的空间域平滑处理:高斯滤波,超值像素滤波、中值滤波,和频率域平滑处理:理想低通滤波和Butterworth低通滤波处理。继而介绍了各种处理方法的程序实现,并对各种方法的去噪性能进行了比较。-this program introduce the generation ofimage noise and associated noise classification with the image signal , and then discussed separately for the spatial domain image denoising smoothing: Gaussian filtering, pixel value filtering, median filtering, and frequency of domain smoothing: an ideal low-pass filter and Butterworth low-pass filtering. Then describes the procedures for implementation of various treatment methods, and de-noising performance of various methods were compared.
Date : 2025-12-13 Size : 4.59mb User : YEBIQING

DL : 0
基于Gabor变换的图像纹理识别。 提出了一种改进的Gabor变换的图像纹理增强算法,将空域的纹理图像变换到联合空间频率域并将联合空间 频率域的能量分布作为掌纹的特征,Gobar滤波器在频域内对子块其主方向上频率能量分布进行滤波,特征向量进行了匹配 识别,增强特征纹线信息并对核心区域进行多方向空间频率能量滤波合成,同时也对滤波算法进行了优化,有效地减少了运 算量。-Gabor transform based image texture recognition. An improved image of the Gabor transform texture enhancement algorithm, the airspace of the texture image transform frequency domain to the joint space and joint space frequency domain characteristics of the energy distribution as a palm, Gobar filter pair in the frequency domain block its the main direction of the energy distribution of the frequency filtering, feature vectors were matched to identify, enhance the features of ridge information as well as the core region of multi-dimensional spatial frequency energy filter synthesis, but also on the filtering algorithm has been optimized, effective in reducing the computational complexity.
Date : 2025-12-13 Size : 801kb User : 爱学习

sar滤波中最经典的频率域滤波算法.效果也不错.-sar filtering of the most classic frequency domain filtering algorithm. effect is not bad.
Date : 2025-12-13 Size : 1kb User : 天蝎

图像增强 灰度变换增强 空域滤波增强 频域增强 色彩增强 小波增强 -Enhanced gray-scale image enhancement transform spatial filter to enhance the frequency domain to enhance color enhanced wavelet enhanced
Date : 2025-12-13 Size : 4kb User : 齐子新

产生16路信号,画出16路原始信号的频谱叠加图以及滤波器响应,并画出结果信号的时域和频域波形-Generate 16-channel signal, draw 16 original signal spectrum overlay and a filter response, and draw result signals in time domain and frequency domain waveforms
Date : 2025-12-13 Size : 1kb User : 胡斌

本文是基于MATLAB的GUI来对不同的(彩色或灰色)图像进行图像增强的相关处理,主要包括以下四点: 频域变换:傅里叶变换和离散余弦变换及其反变换,可将图像在空域上的特性转化到频域上; 叠加噪声:对图像添加高斯噪声和椒盐噪声; 空域滤波:对噪声污染后的图像添加不同模板下的平滑滤波和锐化滤波,可选择不同模板尺寸; 频域滤波:对噪声污染后的图像添加理想低通滤波器、巴特沃斯低通滤波器、理想高通滤波器、巴特沃斯高通滤波器、带通滤波器、带阻滤波器等,可实现平滑图像的效果。-This article is based on MATLAB GUI for image enhancement associated processing different (color or gray) images, including the following four points: the frequency domain: Fourier transform and discrete cosine transform and inverse transform, the image can be characteristics of airspace on transformed into the frequency domain superimposed noise: the image to add Gaussian noise and salt and pepper noise spatial filtering: the image after adding noise pollution smoothing and sharpening filter under different templates, choose a different template size frequency domain filtering: the image after adding noise pollution ideal low-pass filter, Butterworth low-pass filter, the ideal high-pass filter, Butterworth high-pass filter, band pass filter, band stop filter, can achieve a smooth image effect.
Date : 2025-12-13 Size : 1.34mb User : 笨鸟先飞

1、能对图像文件(bmp、 jpg、 tiff、 gif等)进行打开、保存、另存、打印、退出等功能操作; 2、数字图像的统计信息功能:包括直方图的统计及绘制、区域图的面积、周长的统计、线条图中的距离测量等; 3、数字图像的增强处理功能: (1)空域中的点运算、直方图的均衡化、各种空间域平滑算法(如局部平滑滤波法、中值滤波等)、锐化算法(如梯度锐化法、高通滤波等) (2)频域的各种增强方法:频域平滑、频域锐化、低通滤波、同态滤波等。 (3)色彩增强:伪彩色增强、真彩色增强等 4、图像分割: (1)点、线(hough变换检测直线)、及边缘检测(梯度算子、拉普拉斯算子等); (2)区域分割包括阈值分割、区域生长、分裂合并等; 5、数字图像的变换:普通傅立叶变换(ft)与逆变换(ift)、快速傅立叶变换(fft)与逆变换(ifft)、离散余弦变换(DCT),小波变换等。-1, capable of image files (bmp, jpg, tiff, gif, etc.) open, save, save, print and exit functions such operations 2, the digital image statistics features include: histogram statistics and drawing, area of ​ ​ area, perimeter statistics, line graphs of the distance measurement 3, digital image enhancement processing functions: (1) airspace point operations, histogram equalization, a variety of space-domain smoothing algorithm (such as local smoothing, median filtering, etc.), a sharpening algorithm (such as sharpening gradient method, high-pass filtering, etc.) A variety of enhancement methods (2) the frequency domain: smooth frequency domain, frequency domain sharpening, low pass filter, homomorphic filtering. (3) Color Enhancement: pseudo-color enhancement, true color enhancement, etc. 4, image segmentation: (1) point line (hough transform to detect straight line), and edge detection (gradient operator, Laplace operator, etc.) (2) dividing the region include thres
Date : 2025-12-13 Size : 166kb User : 马振磊

频域低通滤波,理想低通滤波器,巴特沃斯低通滤波器(Low pass filter in frequency domain, ideal low pass filter, Butterworth low pass filter)
Date : 2025-12-13 Size : 9kb User : biubiubiubiubiu

产生频域中的‘sobel’滤波器,用滤波器对图像进行频域滤波,显示滤波后图像(The 'sobel' filter in the frequency domain is used to filter the image with the filter to display the filtered image.)
Date : 2025-12-13 Size : 91kb User : 你四哥

编程实现灰度图像的频域滤波算法。使用Matlab实现不延拓和延拓两个版本。对于延拓和不延拓版本,在理想低通滤波器、巴特沃斯低通滤波器和高斯低通滤波器上比较两者的区别;对于延拓版本,比较不同参数设置对上述三种滤波器滤波结果的影响。(Program to realize the filtering algorithm of gray image in frequency domain. Matlab is used to realize two versions of no extension and extension. For the extension version and the non extension version, the differences between the ideal low-pass filter, Butterworth low-pass filter and Gauss low-pass filter are compared; for the extension version, the effects of different parameter settings on the above three filter results are compared.)
Date : 2025-12-13 Size : 623kb User : 炸毛的三三
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