Steps to Apply Negative Filter Effect on an Image | OpenCV with Visual Studio in Windows 10. In this Tutorial, we are going to apply Negative Filter Effect on an image using OpenCV.
Explaination : Function used: cvNot(img, img) - This function can process images and invert every bit elment in an image.
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- First of all, Follow this tutorial to Install & Configure OpenCV with Visual Studio 2015
- Copythe Full Source Code to Apply Negative Filter on an Image from here:
- Paste full source code and Run it (Ctrl+F5 or F5).
#include<opencv2/highgui/highgui.hpp> #include<iostream> int main() { //Load an Image IplImage* img = cvLoadImage("C:/Briefcase/Chess.jpg"); cv::namedWindow("Image", CV_WINDOW_AUTOSIZE); cvShowImage("Image", img); //Negative Effect cvNot(img, img); cv::namedWindow("NegativeEffect", CV_WINDOW_AUTOSIZE); cvShowImage("NegativeEffect", img); //Wait Key press cvWaitKey(0); //destroy cvDestroyWindow("Image"); cvDestroyWindow("NegativeEffect"); return 0; }OR
Get NegativeEffect.cpp from Github:
Download NegativeEffect.cpp
Load Image OpenCV |
Negative Image OpenCV |
Explaination : Function used: cvNot(img, img) - This function can process images and invert every bit elment in an image.
- 1st parameter is the source image.
- 2nd parameter is the destination or resultant image which is a negative image.
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