According to one embodiment, an image processing apparatus includes: an enlarged-image generation module configured to generate enlarged image information that is enlarged with a predetermined magnification ratio from input image information; a depth characteristic calculator configured to calculate, from the input image information, a depth characteristic amount indicating a change level of depth of field for each a plurality of areas comprised in the input image information; and a generation module configured to compose image information comprising a predetermined high-frequency component onto the enlarged image information, based on the depth characteristic amount calculated by the depth characteristic calculator to generate output image information.