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Write a program that takes an input image in RGB and converts its pixel RGB value...

Write a program that takes an input image in RGB and converts its pixel RGB value to gray scale. In openCV the image data is stored in the “data” pointer. If the location of a pixel is calculated at “index” then R=image.data[index], G= image,data[index+1], and B= image.data[index+2]; To convert a pixel from RGB to gray scale all you need to do is to calculate the average of the three RGB values and store it to the output. output.data[outIndex] = (input.data[index]+ input.data[index+1]+ input.data[index+2])/3.0f; (Use CUDA Programming language)

a. Write a CPU side function that takes and RGB image (called input) and converts it to gray scale.

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