Apparatus and method for processing image

The invention uses a focusing technique relates to an image processing apparatus and method for calculating distance information and size information of the object in the image frame. The image processing method at the same time as the step of moving the focus lens from infinity to a short-range order, overlapping the frames including a subject focused on each moved position of the focus lens storage, and synthesis of the overlapping frames in one frame display , based on the subject, focusing at a desired position of the focus lens, and a step of displaying and calculating the relative distance information of the focused subject from different positions of the focus lens.