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为图像添加各种噪声,如高斯噪声、泊松噪声、椒盐噪声等。(需有openCV)-Add all kinds of noise for the image, such as Gaussian noise, Poisson noise, salt and pepper noise. (The need for openCV)
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水平镜像,图像求反,图像相加,图像变亮,高斯去噪,拉普拉斯算子锐化-The level of image, image for anti-, image add, image change Liang, Gaussian noise, Laplacian sharpening
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基于VC++平台,对图像进行处理,可以添加高斯白噪声,运用laplace,gabor等算法实现图像的处理-VC++ based platform for image processing, you can add white Gaussian noise, the use of laplace, gabor such as image processing algorithm
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给图像添加噪声,驱除噪声,具体的说就是先添加高斯噪声等等,然后通过中值滤波,自适应滤波-Add noise to the image, get rid of noise。Specifically, it is the first toadd Gaussian noise, etc., and then median filtering, adaptive filtering, etc.
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这次是对添加水印的图像中添加一种高斯噪声的matlab程序-The watermark image is added to add a Gaussian noise process
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图像的椒盐 高斯噪声加载和去噪,HSV图层变换,各图层对噪声的扛噪能力对比-Add salt and pepper image and denoising Gaussian noise, HSV transformation layer, the layer carried on the noise compared to noise
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Briefly with the following code I will try to embed the MSB of the baboon image into the picture of Lena by exploiting the LSB embedding technique. We will try also to add an WGN (white gaussian noise) to the image then after these operations we will
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Briefly with the following code I will try to embed the MSB of the baboon image into the picture of Lena by exploiting the LSB embedding technique. We will try also to add an WGN (white gaussian noise) to the image then after these operations we will
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可以打开大部分图片格式包括bmp、jpg等,并对其进行图片的基本处理包括翻转、镜像、傅里叶变换、直方图统计及均衡化、锐化、柔化、加椒盐或高斯噪声、中值滤波、Sobel边缘检测、高斯边缘检测、灰度阀值边缘检测、区域生长、旋转、缩放等操作-Can open most image formats including bmp, jpg, etc., and its basic image processing including flip, mirror, Fourier transform, hist
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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
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在图像中加入高斯噪声,用来显示图像加入高斯噪声后所形成的图像,可以观测高斯分布特点。用于处理.raw格式图片。-Add to Gaussian noise in the image, to display the image after their adding Gaussian noise to form the image, the Gaussian distribution can be observed. For processing. Raw format images.
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基于DCT变换的数字水印设计,通过伪随机数产生高斯噪声并加入图像中,生成新的图像。-DCT-based digital watermark design, pseudo-random number generated by Gaussian noise and add the image to generate a new image.
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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
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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-Open an image, add salt and pepper, Gaussian noise, and then use the neighborhood average, median filter, K, close to the average method to smooth
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对图像添加各种噪声声 高斯噪声 淑盐噪声
-Add all kinds of noise acoustic Gaussian noise Shu-salt noise image
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打开一幅图像,添加椒盐、高斯噪声,然后使用中值滤波,K邻域平均法进行平滑-Open an image, add salt and pepper, Gaussian noise, and then use the median filter, K neighborhood average method smoothed
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给图像添加噪声的程序 用matlab实现的 可添加椒盐噪声和高斯噪声-To add the image noise program using matlab Add salt and pepper noise and Gaussian noise
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另存为一个新的BMP文件,要求显示出原BMP图像和新BMP图像。 2.编程实现图像傅立叶高通、低通滤波。 3.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 4.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。 5.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 6.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或改进的SSDA法-ave
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Write MATLAB code that will do the following.
(a) Add Gaussian, Salt and Pepper and Speckle noise to image.
(b) Perform median filtering to remove noise and determine SNR and PSNR value.
(c) Perform average or low pass filtering to remove noise
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Add Gaussian white noise (mean=0 and variance=0.05 ) to the image using
imnoise command. Now use fftshift command to put all zero frequencies in the
middle. Low-pass filter this function by applying a mask saving only the central
Fourier coeffi
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