Post on 23-Feb-2016
description
An Introduction to VIDEO SUMMARIZATION
- VIDEO SUMMARIZATION Video 2011-2012
1 2011-2012 ; .
;Dynamic video skimming : - video trailer Static video summary: - storyboard
- Key frames2 2011-2012 ;
Browsing (Searching) video.
Retrieval video, , videos .
Indexing video.
3 2011-2012
New Indians. ..4 2011-2012 storyboard:
:
: , ...5 2011-2012 (scene) ,
(shot) ,
(key frame) /
6 2011-2012
7 2011-2012 (1)Cut frame frame .Fade ( ) frame, (fade-in) (fade-out) , frame.
8 2011-2012 (2)Dissolve fade-out fade-in () . .Wipe frame frame . http://www.mediacollege.com/video/editing/transition/types.html
9 2011-2012 - Sampling based
- Shot based
Clustering
(.. X VANTAGE points)
: : : 1 10 2011-2012 : HSV ?- - ! HSV ?- - MPEG7Hue Saturation ( ) Value
2011-201211 ...12 2011-2012
- Sampling based
- Shot based
Clustering
(.. X VANTAGE points)
13 2011-2012 & (Shot based)
14 2011-2012 (1)
15 2011-2012 (2)
16 2011-2012 (3) : ? cut?
: ?Bin size? ?17 2011-2012 (4)
E 1
1 .18 2011-2012 (5):
cut
19 2011-2012
20 2011-2012 (1) ( )
21 2011-2012 (2)
22 2011-2012 (3)iii+1i-1 d23 2011-2012 (4)
24 2011-2012 (5)
. 1 .
25 2011-2012 (6):
dissolve
26 2011-2012Shot based 2011-201227... - Sampling based
- Shot based
Clustering
(.. X VANTAGE points)
28 2011-2012 - Clustering 2011-201229
- Clustering 2011-201230
(Clustering): . - - . . 2011-201231 :
: VISTO
2011-201232 pre-sampling, .
Vsual STOryboard 2011-201233
storyboard ! !VIsual Sryboard (1) 1. HSV
2. -, s, z Generalized Jaccard Distance : 2011-201234
VIsual Sryboard (2)B 3. , , . key frame.
? ?
2011-201235VIsual Sryboard (3) : .
Furthest Point First :- = - ) ) 2011-201236 ..VIsual Sryboard (4) : . . . . ??
2011-201237VIsual Sryboard (5) :- 1 10- - - = key frame 2011-201238 key frames storyboard VIsual Sryboard (5) 4. - storyboard - Post Processing
- key frames , .. fade
5. storyboard- Mean Opinion Score20 , 1(bad) 5 (excellent) 2011-201239 - Sampling based
- Shot based
Clustering
- X VANTAGE points
40 2011-2012 Vantage Points
D.Besiris, N.Laskaris, F.Fotopoulou and G.Economou, Key frame extraction in video sequences: a vantage points approach, 2007 International Workshop on Multimedia Signal, pp. 434-437, Crete 2007
41 2011-2012Vantage points (1) .E , . .42 2011-2012Vantage points (2)
43 2011-2012Vantage points (3) : 1 key frame vector median ( )2 key frame vector median key frame 2 key frames key frame -1 key frames : 44 2011-2012Vantage points (4) ?
...
! 2 key frames!45 2011-2012 (1)1. .. Mean Opinion Score
2. 2.1 (Fidelity)2.2 (Compression Ratio)
46 2011-2012 (2) (Fidelity)
j : key-frameij : framedij : i j !47 2011-2012 (3) (Compression Ratio)NKF : key framesNF : frames
!48 2011-2012 ! ! 2011-201249