The easy way to get the effect is to take a photograph of a photograph of the scene. The second photograph is most effective when the camera's focus plane is not parallel to the original picture and the lens is a maximum aperture (or tilted) for minimum depth of field.
Photography, the word itself, invented and defined by its author Sir John.F.W.Herschel, 14 March 1839 at the Royal Society, Somerset House, London. Quote "...Photography or the application of the Chemical rays of light to the purpose of pictorial representation,..". unquote.