An imaging apparatus includes: an imaging section configured to output a first set of digital images; a section generating a plurality of sets of one-dimensional data from each of digital images respectively based on an object movement direction representing a movement direction of a moving object; a section configured to detect object regions for each of the digital images respectively based on the respective sets of the one-dimensional data; a section configured to select a second set of digital images from among the first set based on the object regions; a section configured to generate a background image from the second set of digital images; and a section configured to generate a stroboscopic image by combining the background image and a plurality of object images corresponding to the object regions of the second set of digital images.