노이즈

개발/OpenCV

가우시안 노이즈 + 가우시안 필터

#include #include using namespace cv; int main() { cvNamedWindow("Origin", CV_WINDOW_AUTOSIZE); cvNamedWindow("Filter3", CV_WINDOW_AUTOSIZE); cvNamedWindow("Filter5", CV_WINDOW_AUTOSIZE); cvNamedWindow("Filter7", CV_WINDOW_AUTOSIZE); cvNamedWindow("Filter9", CV_WINDOW_AUTOSIZE); Mat inputImg; Mat filter3Img; Mat filter5Img; Mat filter7Img; Mat filter9Img; inputImg = imread("cat.png", CV_LOAD_IMA..

개발/OpenCV

가우시안 노이즈(Gaussian Noise)

#include #include using namespace cv; int main() { Mat inputImg; inputImg = imread("cat.png", CV_LOAD_IMAGE_COLOR); resize(inputImg, inputImg, Size(), 0.3, 0.3, CV_INTER_AREA); Mat noise_image(inputImg.size(), CV_16SC3); double average = 0.0; double std = 30.0; randn(noise_image, Scalar::all(average), Scalar::all(std)); Mat temp_image; inputImg.convertTo(temp_image, CV_16SC3); addWeighted(temp_i..

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