In an image processing method according to an aspect of the presently disclosed subject matter, a captured image obtained by continuous imaging is acquired, the captured image is divided into a plurality of divided areas, a flicker that flashes is detected for each of the divided areas, it is detected, for each of the divided areas where the flicker has been detected, whether a divided area is an LED area including light from a light emitting diode (LED) based on a luminance difference between a luminance in a turn-on state and a luminance in an turn-off state, and LED area information is output.