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Video Group CS MSU Graphics & Media Lab Only for Maxus SWAT Adaptive Fuzzy Filtering

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Восстановление сжатого видео

Моисейцев Алексей Video Group CS MSU Graphics & Media Lab

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CS MSU Graphics & Media Lab (Video Group) Only for Maxus  2

Содержание

 Введение  SWAT  Adaptive Fuzzy Filtering  Заключение

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

Введение

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CS MSU Graphics & Media Lab (Video Group) Only for Maxus  4

Содержание

 Введение  SWAT  Adaptive Fuzzy Filtering  Заключение

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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

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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

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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

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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

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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

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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

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CS MSU Graphics & Media Lab (Video Group) Only for Maxus  11

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 Civanlar,SPIE Conf. on Applications of Digital Image Processing XXX, 2007

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CS MSU Graphics & Media Lab (Video Group) Only for Maxus  12

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 Civanlar,SPIE Conf. on Applications of Digital Image Processing XXX, 2007

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CS MSU Graphics & Media Lab (Video Group) Only for Maxus  13

SWAT

Результаты

(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

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CS MSU Graphics & Media Lab (Video Group) Only for Maxus  14

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 Civanlar,SPIE Conf. on Applications of Digital Image Processing XXX, 2007

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CS MSU Graphics & Media Lab (Video Group) Only for Maxus  15

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 Civanlar,SPIE Conf. on Applications of Digital Image Processing XXX, 2007

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CS MSU Graphics & Media Lab (Video Group) Only for Maxus  16

SWAT

Результаты

Предложенный метод

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

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CS MSU Graphics & Media Lab (Video Group) Only for Maxus  17

SWAT

Результаты

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

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CS MSU Graphics & Media Lab (Video Group) Only for Maxus  18

SWAT

Результаты

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

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CS MSU Graphics & Media Lab (Video Group) Only for Maxus  19 19 19

Содержание

 Введение  SWAT  Adaptive Fuzzy Filtering  Заключение

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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

  • n Image Processing, Volume 18 , Issue 6 (June 2009), pp. 1166-1178
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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

  • n Image Processing, Volume 18 , Issue 6 (June 2009), pp. 1166-1178
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CS MSU Graphics & Media Lab (Video Group) Only for Maxus  22

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

  • n Image Processing, Volume 18 , Issue 6 (June 2009), pp. 1166-1178
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CS MSU Graphics & Media Lab (Video Group) Only for Maxus  23

Adaptive Fuzzy Filtering

Пример

исходное изображение 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

  • n Image Processing, Volume 18 , Issue 6 (June 2009), pp. 1166-1178
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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

  • n Image Processing, Volume 18 , Issue 6 (June 2009), pp. 1166-1178
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CS MSU Graphics & Media Lab (Video Group) Only for Maxus  25

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

  • n Image Processing, Volume 18 , Issue 6 (June 2009), pp. 1166-1178
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CS MSU Graphics & Media Lab (Video Group) Only for Maxus  26

Adaptive Fuzzy Filtering

Directional Fuzzy Filter

сжатое видео классификация блоков

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CS MSU Graphics & Media Lab (Video Group) Only for Maxus  27

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

  • n Image Processing, Volume 18 , Issue 6 (June 2009), pp. 1166-1178
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SLIDE 28

CS MSU Graphics & Media Lab (Video Group) Only for Maxus  28

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

  • n Image Processing, Volume 18 , Issue 6 (June 2009), pp. 1166-1178
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CS MSU Graphics & Media Lab (Video Group) Only for Maxus  29

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

  • n Image Processing, Volume 18 , Issue 6 (June 2009), pp. 1166-1178
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CS MSU Graphics & Media Lab (Video Group) Only for Maxus  30

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

  • n Image Processing, Volume 18 , Issue 6 (June 2009), pp. 1166-1178
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CS MSU Graphics & Media Lab (Video Group) Only for Maxus  31

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

  • n Image Processing, Volume 18 , Issue 6 (June 2009), pp. 1166-1178
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CS MSU Graphics & Media Lab (Video Group) Only for Maxus  32

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

  • n Image Processing, Volume 18 , Issue 6 (June 2009), pp. 1166-1178
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CS MSU Graphics & Media Lab (Video Group) Only for Maxus  33

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

  • n Image Processing, Volume 18 , Issue 6 (June 2009), pp. 1166-1178
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CS MSU Graphics & Media Lab (Video Group) Only for Maxus  34

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

  • n Image Processing, Volume 18 , Issue 6 (June 2009), pp. 1166-1178
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CS MSU Graphics & Media Lab (Video Group) Only for Maxus  35

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

  • n Image Processing, Volume 18 , Issue 6 (June 2009), pp. 1166-1178
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CS MSU Graphics & Media Lab (Video Group) Only for Maxus  36

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

  • n Image Processing, Volume 18 , Issue 6 (June 2009), pp. 1166-1178
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CS MSU Graphics & Media Lab (Video Group) Only for Maxus  37

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

  • n Image Processing, Volume 18 , Issue 6 (June 2009), pp. 1166-1178
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CS MSU Graphics & Media Lab (Video Group) Only for Maxus  38

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

  • n Image Processing, Volume 18 , Issue 6 (June 2009), pp. 1166-1178
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CS MSU Graphics & Media Lab (Video Group) Only for Maxus  39

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

  • n Image Processing, Volume 18 , Issue 6 (June 2009), pp. 1166-1178
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CS MSU Graphics & Media Lab (Video Group) Only for Maxus  40 40 40

Содержание

 Введение  SWAT  Adaptive Fuzzy Filtering  Заключение

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CS MSU Graphics & Media Lab (Video Group) Only for Maxus  41

Заключение

 Были рассмотрены два алгоритма  Алгоритмы рассчитаны на высокую

скорость работы

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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

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

Вопросы

?

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