AN OBJECT OF THE PRESENT INVENTION IS TO PROVIDE A DESCRIPTION METHOD FOR EFFICIENTLY REPRESENTING CONTENTS OF MOTION PICTURE WITH A SMALL DATA VOLUME.(CONSTITUTION]THE ORGANIZATION OF THE PRESENT INVENTION (1) REPRESENTS A TRAJECTORY OF HOW EACH OBJECT HAS MOVED OVER TIME BY USING REFERENCE PLANE REPRESENTING POSITION INFORMATION OF EACH OBJECT, (2) SETS A DESCRIPTION UNIT BASED ON A TYPE OF ACTION OF EACH OBJECT BY USING CHANGES IN SHAPE OF EACH OBJECT, (3) HAS ACTIONS OF EACH OBJECT REPRESENTED AS EACH BEHAVIORAL SECTION, AND (4) COMPRISES A DESCRIPTION FACILITY CAPABLE OF READING AND INTERPRETING DEFINITION OF AN OBJECT DEPENDENT ON VIDEO CONTENTS, DEFINITION OF CLASSES OF ACTIONS, AND DEFINITION OF INTERPRETATION OF A SCENE BY INTERACTION OF PLURAL OBJECTS.(FIG. 4)
DESCRIPTION OF VIDEO CONTENTS BASED ON OBJECTS BY USING SPATIO-TEMPORAL FEATURES AND SEQUENTIAL OF OUTLINES.