9. The electronic device of claim 7 , wherein the controller is further configured to: control to obtain a character detection area according to a location of a pointer in the at least one image obtained while the preview image is displayed, control to perform edge filtering so as to extract a number of edges, and control to identify the character when the extracted number of edges is greater than or equal to a boundary value.
9. The electronic device of claim 7 , wherein the controller is further configured to: control to obtain a character detection area according to a location of a pointer in the at least one image obtained while the preview image is displayed, control to perform edge filtering so as to extract a number of edges, and control to identify the character when the extracted number of edges is greater than or equal to a boundary value. 10. The electronic device of claim 9 , wherein the controller is further configured to: control to combine the recognized characters identified through a character-recognition-processing of the at least one image obtained while the preview image is displayed and having a predetermined maximum number of characters as a first word, control to search a dictionary database that stores dictionary information on various languages using the first word, and control to output a word corresponding to the first word in at least one of the various languages according to a result of the search of the dictionary database using the first word.