1. A method performed under control of a storage manager, the method comprising: identifying, by a processor, a subject of an image, wherein the subject of the image corresponds to at least one of a particular object, a portrait, and a landscape; determining, by the processor, a resolution value for the image based, at least in part, on the identified subject and a frequently used resolution value that corresponds to the identified subject, wherein the frequently used resolution value is an image resolution value that is frequently used when capturing or storing one or more images of the identified subject; and modifying a resolution of the image in accordance with the determined resolution value.