It depends on what あなた are using really, あなた need something that edits 写真 like Photoshop または GIMP. If I had paint on my comp I would tell あなた how to do it one that if it is possible but I have a mac.
1. It means they want to 編集 a picture to make it look sharper (Derp). 2. *What *Does *Mean. 3, This 質問 is over two years old. Replying won't do any good.