An image processing apparatus includes a camera interface section connected to an imaging section, a plurality of arithmetic processing sections that process the image data; a display screen output section to output display image data; an input section that accepts input from an outside; a storage section for storing a plurality of processing units used to process the image data; a processing registration section that registers a processing procedure including a combination of the processing units; a mode selection section that selectably displays a plurality of parallel processing modes indicating kinds of parallel processing and accepts the selection of the parallel processing mode from the input section; and a parallelization section that allocates processing units included in the target processing procedure to one of the plurality of arithmetic processing sections according to the parallel processing mode.