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加噪音去噪音
- clear all %加噪音去噪音 I = imread('wolf.jpg'); I=rgb2gray(I); J = imnoise(I,'salt & pepper',0.02); K = medfilt2(J); imshow(J), figure, imshow(K)
test1_5
- 利用matlab语言给图像加白高斯噪音,通过高斯去燥实现图像复原-Matlab language to the image with white Gaussian noise, Gaussian to dry image restoration
wav
- 可以实现对自己录制的wav格式声音进行频谱分析时域分析并且加入随机噪音,可播放声音进行对比,自动绘制波形频谱图。最后进行去噪滤波。适合大学生数字信号处理课程实验(It can realize the spectral analysis of the wav format, record the time domain analysis and add random noise. It can play the voice contrast, and automatically draw the