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To  better understand how the convolution operation works, let’s  build  a theory for the convolution  operator
              by experimenting with it using an online application. This hands-on approach will help us grasp its real-world
              functionality and potential.
              Before we go into the details of theory for the convolution operator let us first experience it using an online
              application.
               Step 1     Visit the https://setosa.io/ev/image-kernels/ link.

               Step 2     Scroll down the page to locate the section where the Convolution Matrix is applied to an image.

                          You'll see an image with an overlay of a convolution kernel (matrix) and how it affects the image when

                          applied.























               Step 3     Click on the Choose File button.
                          The Open dialog box appears.

               Step 4     Select the location where image is stored.

               Step 5     Select the image for an image kernel and click of the Open button.
                          The image is uploaded.
               Step 6     Click on the drop-down list to select the predefined effect.

               Step 7     Select the effect that you want to apply to the image from the drop-down list.
                          The value of the effect is displayed in the matrix form.

               Step 8     Try changing the values in the convolution operator and observe the modifications in the output

                          image.


















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