1as Jornadas sobre Codificação de Imagem e Vídeo
do Instituto de Telecomunicações (JCIVIT)
Leiria - 19/02/2009
Multidimensional Multiscale Parser
MMP applied to smooth images
Nuno Rodrigues
Danillo Graziosi
Nelson Francisco
© 2005, it - instituto de telecomunicações. Todos os direitos reservados.
MMP results for smooth images
• Problem : Coding Smooth Image
Goal : Improve MMP's rate-distortion performance
for smooth images
MMP applied to smooth images
2 | Leiria, 19/02/2009
Combining MMP with Intra Prediction (MMP-I)
H.264
PRED
MMP applied to smooth images
3 | Leiria, 19/02/2009
Combining MMP with Intra Prediction (MMP-I)
MMP applied to smooth images
4 | Leiria, 19/02/2009
Combining MMP with Intra Prediction (MMP-I)
References:
•
N. M. M. Rodrigues, E. A. B. da Silva, M. B. de Carvalho, S. M. M. de Faria and Vitor M.
M. Silva, “Universal Image Coding using Multiscale Recurrent Patterns and Prediction”,
IEEE International Conference on Image Processing, Sept. 2005
•
N. M. M. Rodrigues, E. A. B. da Silva, M. B. de Carvalho, S. M. M. de Faria and Vitor M.
M. Silva, “Image Predictive Coding using Multiscale Recurrent Patterns”, Conference on
Telecommunications - ConfTele05, April 2005
•
N. M. M. Rodrigues, “Multiscale Recurrent Pattern Matching Algorithms for Image and
Video Coding”, Ph.D. thesis, Universidade de Coimbra, March 2009
MMP applied to smooth images
5 | Leiria, 19/02/2009
Dictionary adaptation techniques (MMP-II)
• Dictionary Segmentation
• Redundancy Control
• Additional Patterns
•
•
•
Geometric Transformed Blocks
Displaced Blocks
Additive Symmetric Blocks
• Limiting Range for Scale Transform
• Norm Equalization
• New Deblocking Filter
MMP applied to smooth images
6 | Leiria, 19/02/2009
Dictionary adaptation techniques (MMP-II)
MMP applied to smooth images
7 | Leiria, 19/02/2009
Dictionary adaptation techniques (MMP-II)
References:
•
N. M. M. Rodrigues, E. A. B. da Silva, M. B. de Carvalho, S. M. M. de Faria and Vitor M. M.
Silva, “On Dictionary Adaptation for Recurrent Pattern Image Coding", IEEE Transactions on
Image Processing, vol.17, no.9, pp.1640-1653, Sept. 2008
•
N. M. M. Rodrigues, E. A. B. da Silva, M. B. de Carvalho, S. M. M. de Faria and Vitor M. M.
Silva, “Efficient Dictionary Design for Multiscale Recurrent Patterns Image Coding", ISCAS 2006
IEEE International Symposium on Circuits and Systems, May 2006
•
N. M. M. Rodrigues, E. A. B. da Silva, M. B. de Carvalho, S. M. M. de Faria and Vitor M. M.
Silva, “Improving Multiscale Recurrent Pattern Image Coding with Deblocking Filtering", Third
International Conference, ICETE 2006, Setúbal, Portugal, August 7-10, 2006, Selected Papers
Series: Vol. 9, Felipe, Joaquim; Obaidat, Mohammad S. (Eds.), ISBN: 978-3-540-70759-2,
Springer, 2008
MMP applied to smooth images
8 | Leiria, 19/02/2009
New prediction modes
• Template Matching
• Least-Squares Prediction
• Lossless Prediction Mode
MMP applied to smooth images
9 | Leiria, 19/02/2009
New prediction modes
MMP applied to smooth images
10 | Leiria, 19/02/2009
New prediction modes
References:
•
N. M. M. Rodrigues, E. A. B. da Silva, M. B. de Carvalho, S. M. M. de Faria and Vitor M.
M. Silva, “Multiscale Recurrent Pattern Predictive Image Coding with Template Matching”,
Conference on Telecommunications - ConfTele07, May 2007
•
(submitted paper) D. B. Graziosi, N. M. M. Rodrigues, E. A. B. da Silva, S. M. M. de Faria
and M. B. de Carvalho, “Improving Multiscale Recurrent Pattern Image Coding With LeastSquares Prediction Mode”, IEEE International Conference on Image Processing, Nov.
2009
MMP applied to smooth images
11 | Leiria, 19/02/2009
Comparison of evolutionary steps for smooth images
MMP applied to smooth images
12 | Leiria, 19/02/2009
Compound Images
The previous techniques did not affect MMP’s excelent performance for
non-smooth images (like text, compound and texture images)
N. C. Francisco, N. M. M. Rodrigues, E. A. B. da Silva, M. B. de Carvalho, S. M. M. de Faria, Vitor M. M. Silva
and M. J. C. S. Reis, “Multiscale Recurrent Pattern Image Coding with a Flexible Partition Scheme", IEEE
International Conference on Image Processing, Oct. 2008
MMP applied to smooth images
13 | Leiria, 19/02/2009
1as Jornadas sobre Codificação de Imagem e Vídeo
do Instituto de Telecomunicações (JCIVIT)
Leiria - 19/02/2009
Multidimensional Multiscale Parser
MMP applied to smooth images
Nuno Rodrigues
Danillo Graziosi
Nelson Francisco
© 2005, it - instituto de telecomunicações. Todos os direitos reservados.