There are many ways to improve a picture. We will use the best technique, the one of adjustments curves. It is not complicated, we need color knowledge as for tone, intensity, saturation, but mainly, we should use the logic and the sense common with the current technology.
How to clean your photos you scan into your computer with Adobe Photoshop. It is really easy and everyone can do this. Sometimes you might notice when you scan in a photo it might end up with a few dust spots or maybe the photo had some flaws in it to begin with.