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几种滤波器：hamming窗口的低通滤波器，给定技术指标的模拟巴特沃兹低通滤波器，kaiser窗口的带阻滤波器，blackman窗口的带通滤波器，Kaiser 窗低通滤波器-Several filters: hamming window low-pass filter, given specifications of the analog Butterworth low-pass filter, kaiser window band stop filter, blackman window ba
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Image Processing: Frequency Domain Enhancement
Generate noisy versions of the cameraman image by adding noise with the following characteristics:
Uniform with mean 40 and standard deviation 20
Gaussian of mean 40 and standard deviation
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用双线性Z变换法实现butterworth二阶低通滤波器。基于TIDSP的，本人原创。-Bilinear Z transform to achieve with the second-order butterworth low-pass filter. Based TIDSP, and my original.
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巴特沃斯滤波的算法，希望对大家有所帮助，自己写的。-Butterworth filter algorithm, we want to help, his writing.
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基于标记的Watershed图像分割算法是一种改进的分水岭算法，它很好地被应用于人脸及其他一些场景图像的分割。把该方法引入高分辨遥感图像的分割，并针对遥感图像的特点，在分割之前采用中值滤波对高分辨率遥感图像进行预处理；同时，在分割过程中采用用小波滤波器替代Butterworth滤波器对梯度图像的低通滤波。不同地物特征Quickbird图像的分割实验表明，对于纹理比较均一的高分辨率遥感图像，该方法避免了过分割现象，且效率较高；但对于纹理比较复杂的图像，该方法具有一定的局限性。-Watershed
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二阶巴特沃斯(Butterworth)低通滤波器-Low pass filter
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butterworth filter for image processing
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设计巴特沃斯模拟低通滤波器，求出转移函数 -Design of analog low-pass Butterworth filter transfer function obtained
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butterworth滤波器，可实现高通低通滤波-butterworth filter, low pass filter high-pass
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巴特沃斯滤波器，对已遭破坏的影像进行还原，能够有效的改善影像品质。-Butterworth filter, to restore the image has been damaged, can effectively improve the image quality.
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用双线性变换法设计巴特沃斯滤波器，并模拟相应的图像-Bilinear transformation method with Butterworth filter design and simulation of the corresponding image
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利用MATLAB进行图像滤波技术，包含理想低通，高通滤波器和巴特沃思低通，高通滤波器的设计-Using MATLAB for image filtering techniques, including the ideal low-pass, high pass filter and Butterworth low-pass, high pass filter design
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关于巴特沃斯滤波在图像处理中的应用，有高通的，有低通的，滤波后加入了二值化，效果还不错。希望对您有用。-About Butterworth filter applied in image processing, high pass, there are low-pass, high pass filter are added to the two values, the results were good. Hope useful for you.
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针对传统Butterworth低通滤波器存在检测精度、稳定性和响应时间之间的矛盾问题,提出了一种新型高阶
Butterworth低通滤波器
-Butterworth low-pass filter for the existence of traditional detection accuracy, stability, and contradictions between the response time, a new high order Butterworth low-pass
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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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Usage of the filter: Y = FILTER(B,A,X).
Requires the Signal Processing Toolbox.
Design Butterworth 2Nth-order one-third-octave filter. - Usage of the filter: Y = FILTER(B,A,X).
Requires the Signal Processing Toolbox.
Desig
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在频率域实现了高通图像滤波。有两种滤波器可以选择，一是巴特沃斯型，另一个是高斯型。-In the frequency domain to achieve a high-pass image filtering. There are two filters to choose from, first, Butterworth-type, the other is Gaussian
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图像滤波，采用理想低、高通，巴特沃斯低、高通，高斯低、高通滤波器处理图像。-Image filtering, Butterworth high-pass filter using the image sharpening, get the details of the image.
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分别设计理想低通滤波器、巴特沃思滤波器、指数滤波器、梯形低通滤波器,并对含高斯噪声的图像进行低通滤波，截止频率自选，观察不同的截止频率,不同的滤波器的滤波效果。-Were designed for the ideal low pass filter, Butterworth filter, exponential filter, ladder low-pass filter, and Gaussian noise images with low-pass filter cutoff freque
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利用巴特沃兹模型,设计无限长脉冲响应滤波器-Filter Design Using IIR Butterworth model
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