13. The short film generation/reproduction apparatus according to claim 10 , further comprising a feature point extraction unit operable to extract, from the object, a feature point indicating a characteristic part of the object, and to store the extracted feature point in the object information, wherein the parameter setting unit generates the scenario by describing a parameter indicating processing to be performed on a position where the feature point of the object is located.
10. The short film generation/reproduction apparatus according to claim 9 , wherein the scenario generation unit includes: an effect arrangement unit operable to select effects one by one from among the predetermined number of effects included in the style, and to arrange the selected effects one by one in a time domain; a still picture assignment unit operable to assign a still picture to each of the effects arranged in the time domain by the effect arrangement unit on the basis of the object information, the still picture satisfying a picture feature required by the respective effects; and a parameter setting unit operable to generate the scenario by describing a parameter indicating processing to be performed on the object suitable for each of the effects arranged in the time domain by the effect arrangement unit, and to store the generated scenario in the database unit.