The other day, I was in a park shooting & I captured one of my friend. Since I was shooting under AUTO mode the camera took time to focus & though it focused but on the wrong part. The image is great but sadly the subject being out of focus is of no use. Can it be post-processed so that I can make the subject in focus while washing out the background? Here is the image, Please download this & answer my query. I would be happy if you outline some steps to achieve the correction. I will be using GIMP on Fedora to do them.