Interpolation
What Does it Mean to Interpolate an Image? In simple terms, digital image interpolation is just digital enlargement. If you had a photo with pixel dimensions of 6,000 x 4,000 px, and you used photo editing software to increase the image size of the photo to 10,000 x 6,667 px, this would be an interpolation. In this process you have ended up with more pixels than your camera gave you in the file to begin with, so where exactly do all these new pixels come from? The interpolation process essentially moves existing pixels apart and then inserts new pixels in …