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第五次作业

于 2020-12-11 发布

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下载积分: 1 下载次数: 1

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代码说明：

说明： 1.学习使用fft2,ifft2,fftshift,ifftshift函数。用fft2函数对”lena.bmp”做二维傅立叶变换，并显示其频谱，用fftshift函数将频谱坐标原点移动到图像中心。用ifft2函数做傅立叶反变换。（提示：显示频谱时，可以先对频谱取对数，这样可以压缩动态范围很大的频谱，获得更好的显示效果）(1. Learn to use fft2, ifft2, fftshift, ifftshift functions. With the FFT 2 function, the lena.bmp'The two-dimensional Fourier transform is performed and the spectrum is displayed. The origin of the spectrum coordinate is moved to the center of the image by using the FFT shift function. The inverse Fourier transform is done with ifft2 function. (Note: when displaying the spectrum, the logarithm of the spectrum can be taken first, so that the spectrum with a large dynamic range can be compressed to obtain better display effect.))

文件列表：

t_5_1.m, 530 , 2020-11-22
t_5_2.m, 643 , 2020-11-22
t_5_3.m, 272 , 2020-11-24
t_5_4.m, 583 , 2020-11-24
t_5_5.docx, 333438 , 2020-11-24
test1D.mat, 2452 , 2020-11-24
lena.bmp, 263222 , 2020-11-11
phantom.bmp, 66614 , 2020-11-11

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noise-plus-image
对图像添加各种噪声高斯噪声淑盐噪声(Add a variety of image noise, Gaussian noise, noise, salt-sook)

2009-09-06 10:59:06下载

积分：1
afdpf
正反馈主动频率偏移法，是应用于孤岛检测的一种算法，可以减小检测盲区，加快孤岛检测速度(Positive feedback active frequency offset method is an algorithm used in islanding detection)

2017-01-11 18:19:42下载

积分：1
zxVBQQ2009
最新版完整模拟QQ截屏的VB源代码，支持截图编辑（可以再截图中画矩形、椎园、文本、箭头）；带撤销，重做功能，可以说一点都不比QQ截屏逊色！(The latest version integrity imitates a QQ piece the VB source for hold a code and support cuts diagram editor (can cut again in the diagram draw rectangle, Zhui park, text originally, arrowhead)Take to cancel, do over function, can say at 1:00 an all unlike QQ piece to hold inferior to!)

2009-06-25 13:31:18下载

积分：1
SIFT-PCA
这是我花了很多时间收集的有关sift-pca资料哦，里面也包括了sift-pca的MATLAB代码(This is what I spent a lot of time to collect information about the sift-pca Oh, which also includes a sift-pca MATLAB code)

2013-05-27 16:47:23下载

积分：1
demosaic
图像处理源代码,进行图像插入,图像恢复,图像增强等,进行图像处理(Image processing source code, image insertion, image restoration, image enhancement and so on, to carry out image processing)

2008-01-02 18:54:27下载

积分：1
chessboard
生成相机标定所用的方格图，用于相机标定使用(Generates the grid chart used to calibrate the camera)

2017-06-24 10:05:27下载

积分：1
image-inpainting
对图像进行修复，直方图均衡化处理，中值滤波和均值滤波(To repair the image, histogram equalization, median filtering and mean filtering)

2020-07-02 08:40:01下载

积分：1
MATLAB_image_process_with_PDE
运用偏微分方程(PDE)方法进行图像处理的matlab程序，包括图像滤波、图像分割、插值、图像增强、恢复及一些方程组求解等在偏微分方法处理图像处理领域常用且重要的处理程序，供大家学习。(The use of partial differential equations methods matlab image processing procedures, including image filtering, image segmentation, interpolation, image enhancement, restoration, and some partial differential equations approach to solving such as in the field of image processing procedures used and important for them to learn.)

2010-01-12 10:09:14下载

积分：1
HE
说明：对于低照度图像，或是模糊不清的雾天，雨天等图像，本算法都能很好的恢复它的清晰度(For the low illumination images, or blurring of the fog, rain and other images, the algorithm can be very good clarity to restore it)

2009-05-09 09:44:31下载

积分：1
sharpen
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.)

2010-05-31 22:17:00下载

积分：1

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