1. A video classification method, comprising: segmenting a video in a sample video library according to a time sequence, to obtain a segmentation result having neighboring segments of the video that at least partially overlap in time; generating a motion atom set, wherein the sample video library comprises at least one video, and wherein a motion atom in the motion atom set is generated according to the video in the sample video library; generating, using the motion atom set and the segmentation result, a motion phrase set corresponding to the video in the sample video library, wherein the motion phrase set comprises at least two motion phrases; screening the motion phrases and obtaining a screening result; generating, according to the screening result, a descriptive vector corresponding to the video in the sample video library; and determining, using the descriptive vector, a to-be-detected video whose category is the same as that of the video in the sample video library.
1. A video classification method, comprising: segmenting a video in a sample video library according to a time sequence, to obtain a segmentation result having neighboring segments of the video that at least partially overlap in time; generating a motion atom set, wherein the sample video library comprises at least one video, and wherein a motion atom in the motion atom set is generated according to the video in the sample video library; generating, using the motion atom set and the segmentation result, a motion phrase set corresponding to the video in the sample video library, wherein the motion phrase set comprises at least two motion phrases; screening the motion phrases and obtaining a screening result; generating, according to the screening result, a descriptive vector corresponding to the video in the sample video library; and determining, using the descriptive vector, a to-be-detected video whose category is the same as that of the video in the sample video library. 2. The method according to claim 1 , wherein the sample video library comprises at least two videos, and wherein the videos in the sample video library are in a same category.