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在VC环境中具有高斯噪声的情况下图像处理边缘检测源代码,效果不错的。-in VC environment with Gaussian noise of image processing Edge Detection source code, the effect is not too bad.
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Image Compression
A collection of simple routines for image compression using different techniques.
BTCODE:
Image compression Using Block Truncation Coding.
PYRAMID:
Image compression based on Gaussian Pyramids.
DCTCOMPR:
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本实验要求根据课本中给出的高斯噪声和椒盐噪声的概率分布的形状和参数编写两个通用程序分别给一个图像中添加高斯噪声和椒盐噪声。高斯噪声是n维分布都服从高斯分布的噪声,椒盐噪声是图像中经常见到的一种噪声是一种随机的黑点或者白点。在实验中通过它们对应的概率密度函数得到噪声分布函数进而与原图像进行叠加产生出对应的噪声图像-Textbooks in this experiment are given under the Gaussian noise and salt and pepper noise in
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一种改进的基于PCNN神经网络和QPSO粒子行为的PSO的图像滤波算法,也可以较好地去除高斯噪声-Improved PCNN-based neural network and PSO behavior QPSO particle image filtering algorithm can also be better to remove Gaussian noise
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本文提出一种在原始视频DCT(离散余弦变换)与SVD(奇异值分解)域自适应嵌入水印的算法。算法首先将视频流分割成一个个场景,场景中的视频图像被变换到DCT-SVD域中,水印量化嵌入在最大奇异上,实现了水印盲检测。同时实验证明该算法在满足透明性要求下也满足一定的鲁棒性要求,能够抵抗低通滤波、中值滤波、椒盐噪声、高斯噪声、H.264压缩攻击以及统计攻击和帧剪切等攻击。-This paper presents an original video in the DCT (Discrete Cosine
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利用matlab 处理 加入高斯噪声的图像分别作均值、中值和维纳滤波-Adding Gaussian noise using matlab image processing were as mean, median and Wiener filtering
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在图像中添加高斯噪声,必须详细地说明噪声均值和方差。-Add Gaussian noise in the image must detail the noise mean and variance.
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对含噪声的图像进行识别和估计,通过小波分解,在频域中完成对图像的识别,判断是椒盐噪声还是高斯噪声,并对参数的值进行估计。-Identify and estimate noisy images, through the wavelet decomposition in the frequency domain to complete the image recognition to determine the salt and pepper noise or Gaussian noise, and
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在图像中增加噪声,可完成高斯噪声,椒盐噪声等集中噪声的添加-Increase in image noise, Gaussian noise can be completed, such as concentration of salt and pepper noise added noise
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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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1. 用 butterworth和理想低通滤波器对受椒盐噪声和高斯噪声污染的图像进行平滑处理, 计算平滑前后的PSNR(峰值信噪比).
2. 用 3x3邻域平均平滑和3x3中值滤波对受椒盐噪声和高斯噪声污染的图像进行平滑处理, 计算平滑前后的PSNR(峰值信噪比).
3. 用 roberts算子和Laplace算子对一图像进行锐化处理, 得到其边缘二值图像.-Salt and pepper noise and Gaussian noise images with butterworth
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图像增强方面的各种滤波算法(灰度线性变化,分段线性灰度变化,对数变化,直方图均衡化,图像平滑,在椒盐、高斯不同的噪声下,实现噪声的中值滤波,图像锐化)-Image enhancement (linear gray-scale changes in the terms of the various filtering algorithm, piecewise linear gray variation, logarithmic histogram equalization, image smoot
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从边检测边跟踪的角度探讨了图象序列中机动目标的形心跟踪问题,深入分析了强高斯噪声背景下目标形心估计的统计性质及用于形心估计的图象预处理方法。-Explored from the perspective of the side edge-detection tracking the centroid tracking of maneuvering targets in the image sequence, in-depth analysis of the statistical properti
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非局部均值NLM去噪算法,去除图像中的高斯噪声-Non-local means NLM denoising algorithm, removing Gaussian noise in the image
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1 打开一个BMP文件,将其局部区域的灰度值进行改变,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
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使用MAtlab语言,在一幅图像中添加各种噪声,比如:椒盐噪声,高斯噪声,均匀,指数,对数,厄尔等噪声。-Using Matlab language, to add a variety of noise in an image, such as: salt and pepper noise, Gaussian noise, uniform, exponential, logarithmic, El noise.
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实现了在图像中生成均匀随机噪声、高斯随机噪声和椒盐随机噪声的算法。-The code for creating uniform noise, Gaussian noise and Salt-pepper noise in image processing.
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以数字图像处理中的两种典型噪声,即椒盐噪声和高斯噪声为处理对象,根据典型滤波去噪算法,利用Matlab软件进行分析处理-Two typical noise in digital image processing, that is salt and pepper noise and Gaussian noise was treated as object of study in this paper, Matlab software was used for analysis and proces
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在一幅原始图像上填加不同种类噪声,包括椒盐噪声,高斯噪声,白噪声等,并比较异同。-In an original image fill plus different types of noise, including salt and pepper noise, Gaussian noise, white noise, etc., and compare the similarities and differences.
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很清楚的讲解了高斯滤波在图像在的应用,对于高斯噪声有很好的平滑效果,并且讲解了高斯滤波的原理-Clearly explain the Gaussian filter in image applications, for Gaussian noise has a good smoothing effect and explain the principles of the Gaussian filter
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