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Восстановление сжатого видео
Моисейцев Алексей
Video GroupCS MSU Graphics & Media Lab
CS MSU Graphics & Media Lab (Video Group)
Only for Maxus
222
Содержание
Введение
SWAT
Adaptive Fuzzy Filtering
Заключение
CS MSU Graphics & Media Lab (Video Group)
Only for Maxus
3
Введение
CS MSU Graphics & Media Lab (Video Group)
Only for Maxus
444
Содержание
Введение
SWAT
Adaptive Fuzzy Filtering
Заключение
CS MSU Graphics & Media Lab (Video Group)
Only for Maxus
5
SWAT
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
CS MSU Graphics & Media Lab (Video Group)
Only for Maxus
6
SWAT
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
CS MSU Graphics & Media Lab (Video Group)
Only for Maxus
7
SWAT
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
CS MSU Graphics & Media Lab (Video Group)
Only for Maxus
8
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 Civanlar,SPIE Conf. on Applications of Digital Image Processing XXX, 2007
CS MSU Graphics & Media Lab (Video Group)
Only for Maxus
9
SWAT
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
CS MSU Graphics & Media Lab (Video Group)
Only for Maxus
10
SWAT
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
CS MSU Graphics & Media Lab (Video Group)
Only for Maxus
11
SWATРезультаты
Билинейная интерполяция(несжатое видео)
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
CS MSU Graphics & Media Lab (Video Group)
Only for Maxus
12
SWATРезультаты
Результат обработки(несжатое видео)
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
CS MSU Graphics & Media Lab (Video Group)
Only for Maxus
13
SWATРезультаты
(несжатое видео)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
CS MSU Graphics & Media Lab (Video Group)
Only for Maxus
14
SWATРезультаты
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 Civanlar,SPIE Conf. on Applications of Digital Image Processing XXX, 2007
CS MSU Graphics & Media Lab (Video Group)
Only for Maxus
15
SWATРезультаты
H.264 интерполяцияFast 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
CS MSU Graphics & Media Lab (Video Group)
Only for Maxus
16
SWATРезультаты
Предложенный методFast 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
CS MSU Graphics & Media Lab (Video Group)
Only for Maxus
17
SWATРезультаты
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
CS MSU Graphics & Media Lab (Video Group)
Only for Maxus
18
SWATРезультаты
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
CS MSU Graphics & Media Lab (Video Group)
Only for Maxus
191919
Содержание
Введение
SWAT
Adaptive Fuzzy Filtering
Заключение
CS MSU Graphics & Media Lab (Video Group)
Only for Maxus
20
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 on Image Processing, Volume 18 , Issue 6 (June 2009), pp. 1166-1178
CS MSU Graphics & Media Lab (Video Group)
Only for Maxus
21
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 on Image Processing, Volume 18 , Issue 6 (June 2009), pp. 1166-1178
CS MSU Graphics & Media Lab (Video Group)
Only for Maxus
22
Adaptive Fuzzy FilteringГеометрическая зависимость
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
CS MSU Graphics & Media Lab (Video Group)
Only for Maxus
23
Adaptive Fuzzy FilteringПример
исходноеизображение
сжатоеизображение
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
CS MSU Graphics & Media Lab (Video Group)
Only for Maxus
24
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 on Image Processing, Volume 18 , Issue 6 (June 2009), pp. 1166-1178
CS MSU Graphics & Media Lab (Video Group)
Only for Maxus
25
Adaptive Fuzzy FilteringDirectional 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 on Image Processing, Volume 18 , Issue 6 (June 2009), pp. 1166-1178
CS MSU Graphics & Media Lab (Video Group)
Only for Maxus
26
Adaptive Fuzzy FilteringDirectional Fuzzy Filter
сжатое видео классификация блоков
CS MSU Graphics & Media Lab (Video Group)
Only for Maxus
27
Adaptive Fuzzy FilteringSpatiotemporal Filter
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
CS MSU Graphics & Media Lab (Video Group)
Only for Maxus
28
Adaptive Fuzzy FilteringSpatiotemporal Filter
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
CS MSU Graphics & Media Lab (Video Group)
Only for Maxus
29
Adaptive Fuzzy FilteringSpatiotemporal 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 on Image Processing, Volume 18 , Issue 6 (June 2009), pp. 1166-1178
CS MSU Graphics & Media Lab (Video Group)
Only for Maxus
30
Adaptive Fuzzy FilteringРезультаты
PSNR:
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
CS MSU Graphics & Media Lab (Video Group)
Only for Maxus
31
Adaptive Fuzzy FilteringРезультаты
ОригиналAdaptive 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
CS MSU Graphics & Media Lab (Video Group)
Only for Maxus
32
Adaptive Fuzzy FilteringРезультаты
Сжатое изображениеAdaptive 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
CS MSU Graphics & Media Lab (Video Group)
Only for Maxus
33
Adaptive Fuzzy FilteringРезультаты
Восстановленное изображениеAdaptive 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
CS MSU Graphics & Media Lab (Video Group)
Only for Maxus
34
Adaptive Fuzzy FilteringРезультаты
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
CS MSU Graphics & Media Lab (Video Group)
Only for Maxus
35
Adaptive Fuzzy FilteringРезультаты
ОригиналAdaptive 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
CS MSU Graphics & Media Lab (Video Group)
Only for Maxus
36
Adaptive Fuzzy FilteringРезультаты
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 on Image Processing, Volume 18 , Issue 6 (June 2009), pp. 1166-1178
CS MSU Graphics & Media Lab (Video Group)
Only for Maxus
37
Adaptive Fuzzy FilteringРезультаты
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 on Image Processing, Volume 18 , Issue 6 (June 2009), pp. 1166-1178
CS MSU Graphics & Media Lab (Video Group)
Only for Maxus
38
Adaptive Fuzzy FilteringРезультаты
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 on Image Processing, Volume 18 , Issue 6 (June 2009), pp. 1166-1178
CS MSU Graphics & Media Lab (Video Group)
Only for Maxus
39
Adaptive Fuzzy FilteringРезультаты
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
CS MSU Graphics & Media Lab (Video Group)
Only for Maxus
404040
Содержание
Введение
SWAT
Adaptive Fuzzy Filtering
Заключение
CS MSU Graphics & Media Lab (Video Group)
Only for Maxus
41
Заключение
Были рассмотрены два алгоритма
Алгоритмы рассчитаны на высокую скорость работы
CS MSU Graphics & Media Lab (Video Group)
Only for Maxus
42
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
CS MSU Graphics & Media Lab (Video Group)
Only for Maxus
4343
Вопросы
?
43