Patent ID: 8873074

Claim:
A document camera comprising: n (n≧2) imagers; a storage that temporarily stores m sets of image data captured by m (1≦m≦n) imagers among the n imagers; an image processor that determines a quantity of m sets of image data stored in the storage, determines a type of predetermined image processing, from a plurality of predetermined image processing types, based on the quantity of m sets of image data, and performs predetermined image processing according to the type of predetermined image processing corresponding to the quantity of m sets of image data stored in the storage; and an output image data output unit that outputs image data to a display apparatus, the image data being a single image data set produced in the predetermined image processing, wherein the type of predetermined image processing is determined regardless of a selection input from an operator of the document camera when the quantity of m sets of image data is equal to a predetermined quantity, and the type of predetermined image processing is determined in accordance with the selection from the operator of the document camera when the quantity of m sets of image data is not equal to the predetermined quantity.