A method of operating an electronic device is provided. The method includes recognizing at least one object from a digital image, wherein the recognizing of the object includes generating at least one descriptor from the digital image, determining an object in the digital image on a basis of at least one part of the at least one descriptor and identification data corresponding to the at least one reference object, and determining a pose of the object on a basis of at least one part of the reference descriptor corresponding to the determined object and the at least one descriptor.