1. An apparatus for improving text recognition capability in a mobile communication terminal with a camera, the apparatus comprising: a text region detection unit which determines if text exists in an input image, determines text color and text-background color surrounding the text when the text is determined to exist, and unifies a background region beyond a text region into the determined text-background color; an inversion-processing unit which determines if the text image with the unified background is inverted, and inversion-processes the text image when the text image is an inverted image; and a text recognition unit which recognizes the inverted text image or the text image with the unified background from the inversion-processing unit, and then outputs the result of recognition.