1. An image processing apparatus comprising: an identification unit configured to identify a contour region including a contour component in an image; a determination unit configured to determine a scatter degree of the contour region in the image; an emphasis processing unit configured to increase, in a case where the scatter degree of the contour region is greater than a first predetermined value, an emphasis degree of the contour region in comparison to a case where the scatter degree is equal to or less than the first predetermined value; and an output unit configured to output, to a display unit, the image including the contour region in which the emphasis processing unit increases the emphasis degree.