1. An image processing apparatus for performing a downsampling process on image data, and for supplying the image data after the downsampling process to a display device as image data for use in a display, the image processing apparatus comprising: a segmentation process section which performs a segmentation process on the image data; and an image processing section which performs first image processing that varies according to a result of the segmentation process, when a degree of downsampling in the downsampling process is not higher than a predetermined reference level, the image processing section performing the first image processing on the image data, when the degree of downsampling in the downsampling process is higher than the predetermined reference level, the image processing section neglecting to perform the first image processing on the image data.