yeah that is Photoshop!
you can see it on the crew standing on the forward deck, some are standing bit strange, and look a bit strange compared to the rest of the picture.
Then you have that Phalanx, if you look between it's radar-doom and superstructure, you can see a bit of the superstructure just continue where it shouldn't.
The Bridge looks like it have had the angling of the class changed.
The funnel is also an modified Akizuki funnel.
underneath all that Photoshoping she is Akizuki-class that are Photoshopet:
http://upload.wikimedia.org/wikipedia/c ... 2012_a.jpg
http://upload.wikimedia.org/wikipedia/c ... 2013_b.jpg