A mobile apparatus is provided, which includes a plurality of imaging devices, a measurement device for measuring a current position and direction of the imaging devices, a map data storing section which stores map data including at least registered information on positions of stationary objects, a recognized distance calculating section which obtains a parallax for a plurality of images, a reference distance calculating section which calculates a reference distance from the imaging devices to a front border of each stationary object, a retracting section for determining a range of image processing, which selects a set of pixels to be processed so as to generate a retracted image, a detecting section for detecting objects from the retracted image, a transport device, and a transport controller for controlling movement of the transport device according to information about the objects detected by the detecting section.