Video Scene Information Detection Based on Entity Recognition

Algorithm 3

Video scene detection model.

Input: video data

Output: Scene detection results

1:for in to :

2: 

3:  is the icth frame of video

4: if is the first frame:

5:   determine if the subject of video is in the first frame

6: else:

7:   if scene has not been changed:

8:      determine if the subject of video is in the frame:

9:         if is

10:          adds to

11:          set to

12:         else:

13:          if time lag between now and the last scene is more than 3 s:

14:            adds to

15:            set to

16:         else:

17:            clear the last record in

18:            set to

19:    else:

20:      

21:      for in the number of frames in scene change:

22:       if scene back to original:

23:         

24:        end if

26:      end for

25:      if is True:

26:         adds to

27:      end if