Image slider or left / right arrow key to select image. Image 0 : RGB color Image 1 : Gray color (R' = G' = B' = (R+G+B) / 3) Image 2 : Gray + gold color (R' = G' = B' = 0.2126R + 0.7152G + 0.0722B)
Image scanning using project from Layzej : https://scratch.mit.edu/projects/66980580/ Thank you Layzej :. project reference: https://www.rapidtables.com/convert/image/rgb-to-grayscale.html#:~:text=How%20to%20convert%20RGB%20to%20grayscale.%20Gray%20RGB,B%27%20%3D%200.2126R%20%2B%200.7152G%20%2B%200.0722B.%20Or
