1. Восстановление сжатого
видео
Моисейцев Алексей
Video Group
CS MSU Graphics & Media Lab

2. Only for
Maxus 
Содержание
 Введение
 SWAT
 Adaptive Fuzzy Filtering
 Заключение
2
CS MSU Graphics & Media Lab (Video Group)

3. Only for
Maxus 
Введение
3
CS MSU Graphics & Media Lab (Video Group)

4. Only for
Maxus 
Содержание
 Введение
 SWAT
 Adaptive Fuzzy Filtering
 Заключение
4
CS MSU Graphics & Media Lab (Video Group)

5. Only for
Maxus 
SWAT
Fast super-resolution reconstructions of mobile video using warped transforms
and adaptive thresholding, Sandeep Kanumuri, Onur G. Guleryuz, M. Reha 5
CS MSU Graphics & Media Lab (Video Group) Civanlar,SPIE Conf. on Applications of Digital Image Processing XXX, 2007

6. Only for
Maxus 
SWAT
Fast super-resolution reconstructions of mobile video using warped transforms
and adaptive thresholding, Sandeep Kanumuri, Onur G. Guleryuz, M. Reha 6
CS MSU Graphics & Media Lab (Video Group) Civanlar,SPIE Conf. on Applications of Digital Image Processing XXX, 2007

7. Only for
Maxus 
SWAT
Fast super-resolution reconstructions of mobile video using warped transforms
and adaptive thresholding, Sandeep Kanumuri, Onur G. Guleryuz, M. Reha 7
CS MSU Graphics & Media Lab (Video Group) Civanlar,SPIE Conf. on Applications of Digital Image Processing XXX, 2007

8. Only for
Maxus 
SWAT
 Изображение разбивается на
блоки 4x4
 Для каждого блока выбирается
подходящая маска
Fast super-resolution reconstructions of mobile video using warped transforms
and adaptive thresholding, Sandeep Kanumuri, Onur G. Guleryuz, M. Reha 8
CS MSU Graphics & Media Lab (Video Group) Civanlar,SPIE Conf. on Applications of Digital Image Processing XXX, 2007

9. Only for
Maxus 
SWAT
Fast super-resolution reconstructions of mobile video using warped transforms
and adaptive thresholding, Sandeep Kanumuri, Onur G. Guleryuz, M. Reha 9
CS MSU Graphics & Media Lab (Video Group) Civanlar,SPIE Conf. on Applications of Digital Image Processing XXX, 2007

10. Only for
Maxus 
SWAT
Fast super-resolution reconstructions of mobile video using warped transforms
and adaptive thresholding, Sandeep Kanumuri, Onur G. Guleryuz, M. Reha 10
CS MSU Graphics & Media Lab (Video Group) Civanlar,SPIE Conf. on Applications of Digital Image Processing XXX, 2007

11. Only for
Maxus 
SWAT
Результаты
Билинейная интерполяция
(несжатое видео)
Fast super-resolution reconstructions of mobile video using warped transforms
and adaptive thresholding, Sandeep Kanumuri, Onur G. Guleryuz, M. Reha 11
CS MSU Graphics & Media Lab (Video Group) Civanlar,SPIE Conf. on Applications of Digital Image Processing XXX, 2007

12. Only for
Maxus 
SWAT
Результаты
Результат обработки
(несжатое видео)
Fast super-resolution reconstructions of mobile video using warped transforms
and adaptive thresholding, Sandeep Kanumuri, Onur G. Guleryuz, M. Reha 12
CS MSU Graphics & Media Lab (Video Group) Civanlar,SPIE Conf. on Applications of Digital Image Processing XXX, 2007

13. Only for
Maxus 
SWAT
Результаты
(несжатое видео)
Fast super-resolution reconstructions of mobile video using warped transforms
and adaptive thresholding, Sandeep Kanumuri, Onur G. Guleryuz, M. Reha 13
CS MSU Graphics & Media Lab (Video Group) Civanlar,SPIE Conf. on Applications of Digital Image Processing XXX, 2007

14. Only for
Maxus 
SWAT
Результаты
Сжатое видео (H.264, QP=25)
Fast super-resolution reconstructions of mobile video using warped transforms
and adaptive thresholding, Sandeep Kanumuri, Onur G. Guleryuz, M. Reha 14
CS MSU Graphics & Media Lab (Video Group) Civanlar,SPIE Conf. on Applications of Digital Image Processing XXX, 2007

15. Only for
Maxus 
SWAT
Результаты
H.264 интерполяция
Fast super-resolution reconstructions of mobile video using warped transforms
and adaptive thresholding, Sandeep Kanumuri, Onur G. Guleryuz, M. Reha 15
CS MSU Graphics & Media Lab (Video Group) Civanlar,SPIE Conf. on Applications of Digital Image Processing XXX, 2007

16. Only for
Maxus 
SWAT
Результаты
Предложенный метод
Fast super-resolution reconstructions of mobile video using warped transforms
and adaptive thresholding, Sandeep Kanumuri, Onur G. Guleryuz, M. Reha 16
CS MSU Graphics & Media Lab (Video Group) Civanlar,SPIE Conf. on Applications of Digital Image Processing XXX, 2007

17. Only for
Maxus 
SWAT
Результаты
Fast super-resolution reconstructions of mobile video using warped transforms
and adaptive thresholding, Sandeep Kanumuri, Onur G. Guleryuz, M. Reha 17
CS MSU Graphics & Media Lab (Video Group) Civanlar,SPIE Conf. on Applications of Digital Image Processing XXX, 2007

18. Only for
Maxus 
SWAT
Результаты
Fast super-resolution reconstructions of mobile video using warped transforms
and adaptive thresholding, Sandeep Kanumuri, Onur G. Guleryuz, M. Reha 18
CS MSU Graphics & Media Lab (Video Group) Civanlar,SPIE Conf. on Applications of Digital Image Processing XXX, 2007

19. Only for
Maxus 
Содержание
 Введение
 SWAT
 Adaptive Fuzzy Filtering
 Заключение
19
CS MSU Graphics & Media Lab (Video Group)

20. Only for
Maxus 
Adaptive Fuzzy Filtering
Обычный фильтр:
x — исходное изображение
y — результат
h — весовая функция
Adaptive fuzzy filtering for artifact reduction in compressed images and videos,
Dung T. Võ, Truong Q. Nguyen, Sehoon Yea, Anthony Vetro, IEEE Transactions 20
CS MSU Graphics & Media Lab (Video Group) on Image Processing, Volume 18 , Issue 6 (June 2009), pp. 1166-1178

21. Only for
Maxus 
Adaptive Fuzzy Filtering
 Свойства
 Пример
Adaptive fuzzy filtering for artifact reduction in compressed images and videos,
Dung T. Võ, Truong Q. Nguyen, Sehoon Yea, Anthony Vetro, IEEE Transactions 21
CS MSU Graphics & Media Lab (Video Group) on Image Processing, Volume 18 , Issue 6 (June 2009), pp. 1166-1178

22. Only for
Maxus 
Adaptive Fuzzy Filtering
Геометрическая зависимость
Adaptive fuzzy filtering for artifact reduction in compressed images and videos,
Dung T. Võ, Truong Q. Nguyen, Sehoon Yea, Anthony Vetro, IEEE Transactions 22
CS MSU Graphics & Media Lab (Video Group) on Image Processing, Volume 18 , Issue 6 (June 2009), pp. 1166-1178

23. Only for
Maxus 
Adaptive Fuzzy Filtering
Пример
исходное сжатое
изображение изображение
Adaptive fuzzy filtering for artifact reduction in compressed images and videos,
Dung T. Võ, Truong Q. Nguyen, Sehoon Yea, Anthony Vetro, IEEE Transactions 23
CS MSU Graphics & Media Lab (Video Group) on Image Processing, Volume 18 , Issue 6 (June 2009), pp. 1166-1178

24. Only for
Maxus 
Adaptive Fuzzy Filtering
Зависимость от положения:
STD – стандартное отклонение в окрестности
Adaptive fuzzy filtering for artifact reduction in compressed images and videos,
Dung T. Võ, Truong Q. Nguyen, Sehoon Yea, Anthony Vetro, IEEE Transactions 24
CS MSU Graphics & Media Lab (Video Group) on Image Processing, Volume 18 , Issue 6 (June 2009), pp. 1166-1178

25. Only for
Maxus 
Adaptive Fuzzy Filtering
Directional Fuzzy Filter
Directional Fuzzy Filter
Adaptive fuzzy filtering for artifact reduction in compressed images and videos,
Dung T. Võ, Truong Q. Nguyen, Sehoon Yea, Anthony Vetro, IEEE Transactions 25
CS MSU Graphics & Media Lab (Video Group) on Image Processing, Volume 18 , Issue 6 (June 2009), pp. 1166-1178

26. Only for
Maxus 
Adaptive Fuzzy Filtering
Directional Fuzzy Filter
сжатое видео классификация блоков
26
CS MSU Graphics & Media Lab (Video Group)

27. Only for
Maxus 
Adaptive Fuzzy Filtering
Spatiotemporal Filter
Adaptive fuzzy filtering for artifact reduction in compressed images and videos,
Dung T. Võ, Truong Q. Nguyen, Sehoon Yea, Anthony Vetro, IEEE Transactions 27
CS MSU Graphics & Media Lab (Video Group) on Image Processing, Volume 18 , Issue 6 (June 2009), pp. 1166-1178

28. Only for
Maxus 
Adaptive Fuzzy Filtering
Spatiotemporal Filter
Adaptive fuzzy filtering for artifact reduction in compressed images and videos,
Dung T. Võ, Truong Q. Nguyen, Sehoon Yea, Anthony Vetro, IEEE Transactions 28
CS MSU Graphics & Media Lab (Video Group) on Image Processing, Volume 18 , Issue 6 (June 2009), pp. 1166-1178

29. Only for
Maxus 
Adaptive Fuzzy Filtering
Spatiotemporal Filter
Корреляция
Adaptive fuzzy filtering for artifact reduction in compressed images and videos,
Dung T. Võ, Truong Q. Nguyen, Sehoon Yea, Anthony Vetro, IEEE Transactions 29
CS MSU Graphics & Media Lab (Video Group) on Image Processing, Volume 18 , Issue 6 (June 2009), pp. 1166-1178

30. Only for
Maxus 
Adaptive Fuzzy Filtering
Результаты
PSNR:
Adaptive fuzzy filtering for artifact reduction in compressed images and videos,
Dung T. Võ, Truong Q. Nguyen, Sehoon Yea, Anthony Vetro, IEEE Transactions 30
CS MSU Graphics & Media Lab (Video Group) on Image Processing, Volume 18 , Issue 6 (June 2009), pp. 1166-1178

31. Only for
Maxus 
Adaptive Fuzzy Filtering
Результаты
Оригинал
Adaptive fuzzy filtering for artifact reduction in compressed images and videos,
Dung T. Võ, Truong Q. Nguyen, Sehoon Yea, Anthony Vetro, IEEE Transactions 31
CS MSU Graphics & Media Lab (Video Group) on Image Processing, Volume 18 , Issue 6 (June 2009), pp. 1166-1178

32. Only for
Maxus 
Adaptive Fuzzy Filtering
Результаты
Сжатое изображение
Adaptive fuzzy filtering for artifact reduction in compressed images and videos,
Dung T. Võ, Truong Q. Nguyen, Sehoon Yea, Anthony Vetro, IEEE Transactions 32
CS MSU Graphics & Media Lab (Video Group) on Image Processing, Volume 18 , Issue 6 (June 2009), pp. 1166-1178

33. Only for
Maxus 
Adaptive Fuzzy Filtering
Результаты
Восстановленное изображение
Adaptive fuzzy filtering for artifact reduction in compressed images and videos,
Dung T. Võ, Truong Q. Nguyen, Sehoon Yea, Anthony Vetro, IEEE Transactions 33
CS MSU Graphics & Media Lab (Video Group) on Image Processing, Volume 18 , Issue 6 (June 2009), pp. 1166-1178

34. Only for
Maxus 
Adaptive Fuzzy Filtering
Результаты
Adaptive fuzzy filtering for artifact reduction in compressed images and videos,
Dung T. Võ, Truong Q. Nguyen, Sehoon Yea, Anthony Vetro, IEEE Transactions 34
CS MSU Graphics & Media Lab (Video Group) on Image Processing, Volume 18 , Issue 6 (June 2009), pp. 1166-1178

35. Only for
Maxus 
Adaptive Fuzzy Filtering
Результаты
Оригинал
Adaptive fuzzy filtering for artifact reduction in compressed images and videos,
Dung T. Võ, Truong Q. Nguyen, Sehoon Yea, Anthony Vetro, IEEE Transactions 35
CS MSU Graphics & Media Lab (Video Group) on Image Processing, Volume 18 , Issue 6 (June 2009), pp. 1166-1178

36. Only for
Maxus 
Adaptive Fuzzy Filtering
Результаты
Сжатое изображение (30.77 dB)
Adaptive fuzzy filtering for artifact reduction in compressed images and videos,
Dung T. Võ, Truong Q. Nguyen, Sehoon Yea, Anthony Vetro, IEEE Transactions 36
CS MSU Graphics & Media Lab (Video Group) on Image Processing, Volume 18 , Issue 6 (June 2009), pp. 1166-1178

37. Only for
Maxus 
Adaptive Fuzzy Filtering
Результаты
Восстановленное изображение — Fuzzy Spatial Filter(30.9 dB)
Adaptive fuzzy filtering for artifact reduction in compressed images and videos,
Dung T. Võ, Truong Q. Nguyen, Sehoon Yea, Anthony Vetro, IEEE Transactions 37
CS MSU Graphics & Media Lab (Video Group) on Image Processing, Volume 18 , Issue 6 (June 2009), pp. 1166-1178

38. Only for
Maxus 
Adaptive Fuzzy Filtering
Результаты
Восстановленное изображение — предложенный метод (31.09 dB)
Adaptive fuzzy filtering for artifact reduction in compressed images and videos,
Dung T. Võ, Truong Q. Nguyen, Sehoon Yea, Anthony Vetro, IEEE Transactions 38
CS MSU Graphics & Media Lab (Video Group) on Image Processing, Volume 18 , Issue 6 (June 2009), pp. 1166-1178

39. Only for
Maxus 
Adaptive Fuzzy Filtering
Результаты
Adaptive fuzzy filtering for artifact reduction in compressed images and videos,
Dung T. Võ, Truong Q. Nguyen, Sehoon Yea, Anthony Vetro, IEEE Transactions 39
CS MSU Graphics & Media Lab (Video Group) on Image Processing, Volume 18 , Issue 6 (June 2009), pp. 1166-1178

40. Only for
Maxus 
Содержание
 Введение
 SWAT
 Adaptive Fuzzy Filtering
 Заключение
40
CS MSU Graphics & Media Lab (Video Group)

41. Only for
Maxus 
Заключение
 Были рассмотрены два алгоритма
 Алгоритмы рассчитаны на высокую
скорость работы
41
CS MSU Graphics & Media Lab (Video Group)

42. Only for
Maxus 
Литература
 Adaptive fuzzy filtering for artifact reduction in compressed
images and videos, Dung T. Võ, Truong Q. Nguyen, Sehoon Yea,
Anthony Vetro, IEEE Transactions on Image Processing, Volume 18 ,
Issue 6 (June 2009), pp. 1166-1178
 Fast super-resolution reconstructions of mobile video using
warped transforms and adaptive thresholding, Sandeep
Kanumuri, Onur G. Guleryuz, M. Reha Civanlar,SPIE Conf. on
Applications of Digital Image Processing XXX, 2007
42
CS MSU Graphics & Media Lab (Video Group)

43. Only for
Maxus 
Вопросы
?
43
CS MSU Graphics & Media Lab (Video Group)