1. A camera shake measurement system comprising: a display unit for sequentially displaying a plurality of distinguishable test patterns; a first storage unit for storing a template each of said plurality of test patterns to be displayed; a second storage unit for storing a composite image produced by photographing at least two test patterns as still images from said plurality of test patterns to be sequentially displayed by a photographing apparatus; and a pattern recognition unit for recognizing images that match each of the templates from the composite image by calling said templates from said first storage unit, calling said composite image from said second storage unit, and moving, for each of the called templates, the template while superposing the template on said composite image, wherein a moving direction and a moving amount of each of the templates obtained by said pattern recognition unit are defined respectively as a camera shake direction and a camera shake amount of said photographing apparatus, and said still image is photographed and at least two sets of the camera shake direction and the camera shake amount are obtained.