Fecha de publicación: 15/12/2022 Fuente: WIPO (eseential oils OR extracts) According to the present invention, a video acquiring means acquires an input video. An important scene detecting means detects an important scene from the input video. A first partial video extracting means extracts a temporally continuous sector including the important scene, from the input video, as a first partial video. A related event detecting means then detects a related event related to the important scene, from the first partial video.