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数字图像盲取证技术作为一种不依赖任何预签名提取或预嵌入信息来鉴别图像真伪和来源的技术, 正逐步成为多媒
体安全领域新的研究热点,基于真实性鉴别的数字图像盲取证技术综述-Digital image forensics technology as a signature does not depend on any pre-extracted or pre-embedded information to identify the source of the image authenticity
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matlab 图形图像处理 包括灰度直方图、均值滤波、位图分割、sobel边缘检测等-matlab graphics, image processing, including histogram, mean filter, bitmap segmentation, sobel edge detection
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1.median_filter
(功能:使用中值濾波器去除雜訊)
2.mean_filter
(功能:使用平均濾波器去除雜訊)
3.fl_stein
(功能:使用誤差擴散法,將影像量化和混色)
4.Central_limit
(功能:畫圖並證明中央極限定理)
-1.median_filter
(function: use median filter to remove noise)
2.mean_filter
(funct
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QR码作为一种可高速、全方位识别的二维条码,已经在各行各业中得到了应用,并具有很大发展潜力.本文针对QR码图像的识别过程中可能遇到的图像噪声干扰、QR码占实际拍摄图像的一部分、倾斜、几何失真等问题进行了研究,提出了通过改进型中值滤波去除噪声,使用QR码符号特性定位并对倾斜图像进行旋转,对失真不严重的图像采用控制点变换和双线性插值方法进行几何校正.实验证明, 本文的方法简单有效, 可以用于提高条码的正确识别率.-As a high-speed, full identification of th
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时域滤波方法，频域滤波大全（包括中值滤波，均值滤波，理想低通，巴特沃斯低通 带通滤波器-Time-domain filtering, frequency domain filtering Daquan (including the median filter, mean filter, the ideal low-pass, Butterworth low-pass band-pass filter
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Question 1
Question 2
Question 3
3-a) Gaussian filtering with different values ecrats types of noise
Gaussian
3-b) Gaussian filtering with different values ecrats types of noise
pulse
Question 4
4 - a) Median fil
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这个程序是基于MATLAB的关于图象的中值滤波,计算图象的灰度值等-This program is based on MATLAB image median filter to calculate the gray value image, etc.
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空域图像增强，使得图像边缘尖锐化，使用了维纳滤波、均值滤波、中值滤波等-Spatial image enhancement, making the edges sharp, and the use of the Wiener filter, mean filter, median filter
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自编中值滤波 matlab matlab-Self median filter matlab matlab matlab
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matlab数字信号处理，输入图像矩阵和窗口大小，进行中值滤波,平均滤波，svm分类器-Digital signal processing, input image matrix, and window size，median filter,Average filter, svm classifier
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This package contains a beta MATLAB version of the VSNR function from
the paper "VSNR: A Wavelet-Based Visual Signal-to-Noise Ratio for
Natural Images," D. M. Chandler and S. S. Hemami, published in the IEEE
Transactions on Image Processing,
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对加过噪声的图像进行自适应中值滤波，效果很好，相对中值滤波好。-Increase over the noise of the image median filter, the effect is very good, relatively good median filter.
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基于matlab的值中值滤波程序，几种滤波模板的比较-Value based on median filter matlab program, the comparison of several filter templates
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本程序是用matlab编写的一段代码 主要是实现图像的中值滤波 采用的图像是lena.bmp 系统给出的图像 -This procedure is used Matlab prepared to use a section of code is mainly to achieve the image median filter used in image is the lena.bmp system given image
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Edge detection result should be enhanced using linear method like Median filter to
remove the garbage around the pupil to gain clear pupil to determine perfect centre. Get the
centre of the pupil by counting the number of black pixels (zero value
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Edge detection result should be enhanced using linear method like Median filter to
remove the garbage around the pupil to gain clear pupil to determine perfect centre. Get the
centre of the pupil by counting the number of black pixels (zero value
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matlab 实现自适应滤波，中值滤波，自适应中值滤波-Adaptive median filter
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本程序集为matlab高斯滤波、中值滤波、均值滤波，可以用于图像处理等方面-matlab Gaussian filter, median filter, mean filter
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Its median filter/
MATLAB function for implementing median filtering of an image. Add salt and pepper noise to it. Apply the median filtering to the resulting
image. Compare the results.
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线性滤波器、均值滤波器、中值滤波器、梯度倒数滤波器的matlab源程序-Linear filter, mean filter, median filter, gradient countdown of the filter matlab source
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