1. A combination weighing device comprising: a dispersing unit configured to receive a supply of a large number of articles and configured to disperse the articles; a plurality of radial feeders arranged to extend radially from the dispersing unit, the radial feeder being configured to receive the articles dispersed by the dispersing unit and convey the articles in a direction away from the dispersing unit; a plurality of cameras configured to capture images of the dispersing unit and the radial feeders; a processing unit configured to generate a plan view image of the dispersing unit and the radial feeders by synthesizing the images captured by the cameras; and an output unit configured to output the plan view image.