1. A detection control device comprising: an imaged image acquiring unit that acquires an imaged image resulting from imaging a specimen that is to be subjected to detection of a target cell; a setting unit that sets a plurality of processing target regions in the imaged image; a distributing unit that distributes, in accordance with a distribution amount of data to each of a plurality of processing units that detect the target cell in an image region, the plurality of processing target regions to the plurality of processing units; and a processing result acquiring unit that acquires, from each of the plurality of processing units, a result of a process of detecting the target cell in the processing target regions distributed to the respective plurality of processing units.