A display control apparatus connected to an imaging apparatus installed in a vehicle includes an obtaining unit which obtains image data obtained by the imaging apparatus capturing an image of a portion on a rear side of the vehicle, a specifying unit which specifies, as a compression region, a pixel region which does not include image elements indicating straight objects extending along a traveling direction of the vehicle in a pixel region in a lower portion in the image data, a generation unit which generates display image data of a predetermined display size by compressing the specified compression region in the image data, and a controller which performs control so that the generated display image data is visually recognized through an electronic mirror disposed as a rearview mirror of the vehicle.