An information processing apparatus includes: a first obtaining unit configured to obtain a first three-dimensional model expressing a position and a shape of a first object in a three-dimensional space based on images of the first object captured by a plurality of image-capturing devices at different locations; a second obtaining unit configured to obtain a second three-dimensional model expressing a position and a shape of a second object in the three-dimensional space; an identifying unit configured to identify a plurality of parts of the first object; a determining unit configured to determine a contact between a certain part of the first object and the second object based on the obtained first three-dimensional model and second three-dimensional model and an identification result of the plurality of parts; and an output unit configured to output information according to a determination result of the contact.