DISPLAY CONTROL DEVICE AND DISPLAY CONTROL METHOD

A display control device includes a memory that stores therein a program; and a processor that is connected to the memory. The processor performs processing by executing the program. The processing includes: detecting a number of lanes indicating the number of one or more lanes including a lane on which a host vehicle travels; determining a processing condition for an area other than an essential display area indicating a predefined display area in a captured image obtained by imaging surroundings of the host vehicle, according to the number of lanes detected; and controlling that includes processing the captured image according to the processing condition determined and displaying the processed captured image on a display device.